CN102195334A

CN102195334A - Method and system for improving reliability of emergency power supplies of nuclear power plant

Info

Publication number: CN102195334A
Application number: CN2011101310868A
Authority: CN
Inventors: 戴忠华; 陈军琦; 王成铭; 朱钢; 李书周; 林杰东; 王永年; 苏广超; 吴宇坤; 彭顺; 罗育智; 林鸿江; 黄卫刚
Original assignee: China General Nuclear Power Corp; Daya Bay Nuclear Power Operations and Management Co Ltd
Current assignee: China General Nuclear Power Corp; Daya Bay Nuclear Power Operations and Management Co Ltd; Guangdong Nuclear Power Joint Venture Co Ltd
Priority date: 2011-05-20
Filing date: 2011-05-20
Publication date: 2011-09-21
Anticipated expiration: 2031-05-20
Also published as: CN102195334B

Abstract

The invention relates to a method and system for improving reliability of emergency power supplies of a nuclear power plant. At least one path of high-capacity battery energy storage system (fixed energy storage system and/or movable energy storage system) is used to supplement or replace final emergency power supplies of a nuclear power plant. When all existing emergency power supplies of the nuclear power plant fail, the system is started to supply power for equipment in an emergency plant of the nuclear power plant so as to keep discharging waste heat of reactor cores and cooling spent fuel pools of the nuclear power plant, thus ensuring the safety of the nuclear power station. The method and system provided by the invention can be used for resisting against extreme weathers and avoiding common mode failure of the emergency power supplies in the extreme weathers, can strength the reliability of the emergency power supplies of the nuclear power plant and can at least reduce the melting probability of reactor cores by 21.6%, thereby improving the integral nuclear safety level of the nuclear power plant.

Description

A kind of method and system that improves nuclear power station emergency power supply reliability

Technical field

The invention belongs to million kilowatt advanced pressurized water reactor nuclear power plant key technology, also relate to novel high-capacity, high-power battery technology simultaneously. be particularly related to the method and system that million kilowatt advanced pressurized water reactor nuclear power plant key technology combines with the battery management technology.

Background technology

Nuclear power station (Nuclear Power Plant) is to utilize nuclear fission (Nuclear Fission) or nuclear fusion (Nuclear Fusion) to react the power plant that the energy that is discharged produces electric energy.

In order to protect the health of nuclear power station staff and nuclear power station surrounding resident, the principle of depth defense is all adopted in the design of nuclear power station, construction and operation, provide multiple protective in slave unit, the measure, the power output of reactor is effectively controlled to guarantee nuclear power station; And can be various natural calamities occurring, as earthquake, tsunami, flood etc., or the artificial fire that produces, blast etc., also can guarantee reactor fuel assemblies is cooled off fully, and then guarantee that the discharging to environment does not take place radioactive substance.The depth defense principle generally comprises five layers of defence line, the ground floor defence line: well-designed, make, construction, guarantee that nuclear power station has superior hardware environment, sets up perfect program and strict system, to the systematic education and training of nuclear power station staff, set up complete nuclear Safety Culture; Second layer defence line: strengthen operational management and supervision, the in time correct abnormal conditions of handling are fixed a breakdown; The 3rd layer of defence line: under the severely subnormal situation, the control of reactor and protection system can in time and effectively be moved, to prevent equipment fault and human error and then to develop into accident; The 4th layer of defence line: under accident conditions, in time enable the nuclear plant safety protection system, comprise various engineered safeguards features, in order to the power management in the reinforcement accident, the accident that prevents enlarges, to guarantee the integrality of nuclear power station three road safety curtains; The layer 5 defence line: just in case the extremely impossible accident that takes place takes place, and leak with radioactivity, should in time enable inside and outside all emergency systems of factory, make great efforts to alleviate the influence of accident to surrounding resident and environment.

Safety system all adopts autonomous device and redundant arrangement, makes that safety system can be antiseismic and move in other adverse circumstances.

No matter power supply is provided with or moves as the power source of nuclear power station operation, all should embody the theory of depth defense.For realizing the high reliability of nuclear power station power-supply system, all should have emergency power supply to the power consumption equipment of some particular importance or the equipment of specific (special) requirements, carry out multiplicity, the setting of independence ground simultaneously, cause the unavailable of emergency power supply to avoid that common mode failure takes place.

The emergency power system of nuclear power station and normal power source system constitute station service electrical system together jointly, for power consumption equipments all in the factory provides safe and reliable power supply.Emergency power supply must guarantee during normal operating condition, accident conditions or behind the accident conditions the emergent safety means for nuclear power station power supply is provided, to carry out safety function.Because the particularity of nuclear power station nuclear safety is so the designing requirement of its power-supply system should be much higher than other industry.

Nuclear power station is provided with the multiple tracks redundant power, comprise dedicated emergency power supplys such as main power source outside the factory, off-site auxiliary power source and emergent stationary diesel engine, Each performs its own functions for each power supply, cooperation is arranged again simultaneously mutually, not only various informative, and be provided with layer by layer, multiple redundancy provides reliable power supply for electric nuclear power station to greatest extent.

At present, the station service electrical system operational mode of nuclear power station is as follows:

1) under normal running (operation) conditions, the distribution system of whole station-service equipment is powered through HV Auxiliary Transformer by the 26KV bus of unit;

2) when unit operation, the 26KV bus is powered by main generator;

3) during generator outage, then send to the 26KV bus through main transformer by the 400/500KV electrical network;

4) if the 26KV bus loses power supply or loses HV Auxiliary Transformer, promptly lose main power source outside the factory, then the 220KV electrical network to the safe auxiliary equipment power supply that must move, makes reactor maintain hot shutdown condition through auxiliary transformer;

5) if main power source and off-site auxiliary power source all lose power supply outside the factory, then power to emergent auxiliary device, make reactor enter the cold shut state by the stationary diesel generating set;

6) when any emergency diesel dynamo group of nuclear power generating sets is unavailable, then replace by additional emergency diesel-oil unit, carry out the function of emergency diesel dynamo group, for engineered safeguards features, reactor core waste heat are discharged and the cooling power supply of spent fuel pond.

Yet the stationary diesel generating set has certain limitation.This be because, drive generator operation at stationary diesel engine, when the Conversion of energy of diesel oil is electric energy, must be by the pure air in the stationary diesel engine cylinder, after will filtering with after high-pressure atomization diesel oil that oil atomizer ejects fully mixes, promote descent of piston, each cylinder is acting successively in certain sequence, thereby drives crankshaft rotating.Rotation by stationary diesel engine drives the rotor of generator again, utilizes " electromagnetic induction " principle, and generator will be exported induced electromotive force, just can produce electric current through the load circuit of closure, thus the realization electricity generate function.In the above-mentioned power generation process, must could realize by air and fully mixing of high-pressure atomization diesel oil.When in situation such as flood, tsunami, mud-rock flow following time, the electrical system of stationary diesel engine might lose efficacy because of water logging, oil supply pipe, compressed air piping might rupture because of external impact force, the diesel engine body might be because impulsive force and structure deforms, these all can cause the stationary diesel generating set to start, and then emergency power supply can't be provided.

Therefore, under the situation that other power supplys lose, stationary diesel generating set as the final emergency power supply of nuclear power station, because himself characteristic has determined it can not resist the water logging disaster---as flood, tsunami, typhoon tide etc., when the extreme natural calamity of super design reference occurring, the stationary diesel generating set is easy to lose power supply, can't provide the power that the reactor core waste heat is discharged and cool off in the spent fuel pond for nuclear power station, and this will cause nuclear power station to produce catastrophic consequence.

Summary of the invention

The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of method and system that improves nuclear power station emergency power supply reliability is provided, it can resist the existing resistless super design reference operating mode of emergency power system of nuclear power station, as the serious natural calamity of earthquake stack tsunami etc.; The method and system that improves the emergency power supply reliability that provides to nuclear power station provided by the present invention, its design basis and super design reference with nuclear power station is considered design, can in the serious natural calamity of super design condition, normally move, can reduce the nuclear power station core melt probability more than 21.6%, improve the overall security of nuclear power station.

Technical scheme of the present invention is: a kind of method that improves nuclear power station emergency power supply reliability, adopt internal electric network supply line, external electrical network supply line, stationary diesel generating set and the storage battery energy-storage system emergency service line powering to nuclear power station.

Particularly, described storage battery energy-storage system is stationary storage battery energy-storage system and/or movable storage cell energy-storage system.

Particularly, described movable storage cell energy-storage system comprises vehicular storage battery energy-storage system or boat-carrying formula storage battery energy-storage system or machine-carried type storage battery energy-storage system.

Particularly, online monitoring system is set, be used to monitor the state of internal electric network supply line, external electrical network supply line, stationary diesel generating set, storage battery energy-storage system and power consumption equipment, starting the storage battery energy-storage system when the stationary diesel generating set can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

Particularly, portable charging device is set, on described portable charging device the charging output interface is set, on described storage battery energy-storage system charging input interface is set, described charging input interface and described charging output interface are complementary.

Particularly, described stationary diesel generating set comprises emergency diesel dynamo group and additional emergency diesel dynamo group, and when described emergency diesel dynamo group lost efficacy, described additional emergency diesel dynamo group can replace the emergency diesel dynamo group of inefficacy.

Particularly, described storage battery energy-storage system is connected in the instrument control power-supply system of nuclear power station, to replace the original emergent lead-acid batteries of described instrument control power-supply system.

Particularly, described storage battery energy-storage system comprises the energy-storage system module of a plurality of parallel connections, and the energy-storage system module is connected on the emergency bus by bus rod.

Particularly, described energy-storage system module has anti-seismic structure.

Particularly, described energy-storage system module comprises converter and array, array is connected on the bus rod by converter, described array comprises a plurality of battery modules, described a plurality of battery modules is parallel on the described converter increasing the capacity of array, described battery modules by a plurality of cell strings or/and be formed in parallel to increase the voltage/current of battery modules.

Particularly, described online monitoring system is monitored described storage battery energy-storage system and is comprised:

Gather the performance parameter of battery in the storage battery energy-storage system;

Total capacity according to the performance parameter calculating accumulator energy-storage system of battery;

The operating condition of monitoring nuclear power station is according to the load capacity under the current operating condition of operating condition calculating nuclear power station of nuclear power station;

Socking out time and output according to storage battery energy-storage system under the current system condition in load capacity definite kernel power station of the total capacity of storage battery energy-storage system and nuclear power station.

Particularly, the operating condition of nuclear power station comprises normal operation and dead electricity pattern, shutdown and dead electricity pattern, peace annotates and dead electricity pattern, LOCA and dead electricity pattern and extreme accident pattern.

The present invention also provides a kind of method that improves nuclear power station emergency power supply reliability, adopts internal electric network supply line, external electrical network supply line, stationary diesel generating set and wind energy and/or the solar energy emergency power supply system emergency service line powering to nuclear power station.

The present invention also provides a kind of method that improves nuclear power station emergency power supply reliability, adopts internal electric network supply line, external electrical network supply line, stationary diesel generating set and the mobile emergency diesel generating set emergency service line powering to nuclear power station.

The present invention also provides a kind of system that improves nuclear power station emergency power supply reliability, and comprising can be by internal electric network supply line, external electrical network supply line, stationary diesel generating set and the storage battery energy-storage system of emergency service circuit to the nuclear power station power supply.

Particularly, described storage battery energy-storage system comprises stationary storage battery energy-storage system and/or movable storage cell energy-storage system;

Described movable storage cell energy-storage system comprises vehicular storage battery energy-storage system or boat-carrying formula storage battery energy-storage system or machine-carried type storage battery energy-storage system.

Particularly, the storage battery energy-storage system is provided with online monitoring system, be used to monitor the state of internal electric network supply line, external electrical network supply line, diesel generating set, storage battery energy-storage system and power consumption equipment, starting the storage battery energy-storage system when the stationary diesel generating set can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

Particularly, the system of described raising nuclear power station emergency power supply reliability also comprises portable charging device, described portable charging device is provided with the charging output interface, and the storage battery energy-storage system is provided with charging input interface, and described charging input interface and described charging output interface are complementary.

Particularly, described storage battery energy-storage system is connected in the instrument control power-supply system of nuclear power station, and replaces the original emergent lead-acid batteries of described instrument control power-supply system.

Particularly, described storage battery energy-storage system is connected in the special-purpose turbo generator electric power system of hydraulic testpump, can replenish or replace the special-purpose turbo generator of hydraulic testpump, for hydraulic testpump provides safe and reliable 380V power supply.

A kind of method and system that improves nuclear power station emergency power supply reliability provided by the invention, it can resist the existing resistless super design reference operating mode of emergency power system of nuclear power station, as the serious natural calamity of earthquake stack tsunami etc.; The method and system that improves the emergency power supply reliability that provides to nuclear power station provided by the present invention, its design basis and super design reference with nuclear power station is considered design, can in the serious natural calamity of super design condition, normally move, can reduce the nuclear power station core melt probability more than 21.6%, improve the overall security of nuclear power station.

Description of drawings

Fig. 1 is the general illustration of energy-storage system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 2 is the wiring schematic diagram of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 3 is the energy-storage system module diagram of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 4 is the battery rack layout plan of energy-storage system module of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 5 is the battery rack cut-away view of energy-storage system module of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 6 is that the power brick of energy-storage system module of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention is formed schematic diagram;

Fig. 7 is the cell coupling part schematic diagram of energy-storage system module of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 8 is the battery management system schematic diagram of energy-storage system module of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Fig. 9 is structure one front view of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 10 is structure one vertical view of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 11 A is the structure one water door front view of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 11 B is the structure one water door lateral plan of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 11 C is the another kind of buckle structure front view of structure one water door of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 11 D is the another kind of buckle structure vertical view of structure one water door of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 12 is structure two front views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 13 is structure two vertical views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 14 A is that structure two water doors of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention are opened a front view;

Figure 14 B is the structure two water door off-position front views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 14 C is the structure two water door end views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 15 A is the structure two another kind of water doors and the public buckle structure front view of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 15 B is the female buckle structure front views of structure two another kind of water doors of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 15 C is the female buckle structure end views of structure two another kind of water doors of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 15 D is the female buckle structure vertical views of structure two another kind of water doors of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 16 is structure three front views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 17 is structure three vertical views of storing unit of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention.

Figure 18 is the structure chart of the converter that provides of one embodiment of the invention;

Figure 19 is the structure chart of the built-in controller of the converter that provides of one embodiment of the invention;

Figure 20 is the structure chart of the converter that provides of another embodiment of the present invention;

Figure 21 is the structure chart of the built-in controller of the converter that provides of another embodiment of the present invention;

Figure 22 is the present invention's structure chart of the converter that provides of another embodiment again;

Figure 23 is the present invention's structure chart of the built-in controller of the converter that provides of another embodiment again;

Figure 24 is the modular structure figure of the converter that provides of the embodiment of the invention;

Figure 25 is the structure chart of the energy-storage system that provides of the embodiment of the invention;

Figure 26 is the realization flow figure that the online monitoring system of the embodiment of the invention is monitored the storage battery energy-storage system;

Figure 27 be the embodiment of the invention provide read the exemplary plot of the performance parameter of battery from the battery modules watch-dog;

What Figure 28 was that the embodiment of the invention provides is the realization flow figure of the emergency service power supply of nuclear power station with the energy-storage system switching according to system's signal that puts into operation;

Figure 29 be the embodiment of the invention provide this energy-storage system module is carried out charging process realization flow figure;

The structured flowchart of Figure 30 intelligent operation/cutting unit that to be the online monitoring system that provides of the embodiment of the invention monitor the storage battery energy-storage system;

Figure 31 is the structured flowchart that online monitoring system that the embodiment of the invention provides is monitored the storage battery energy-storage system;

The structured flowchart of Figure 32 battery modules charhing unit that to be the online monitoring system that provides of the embodiment of the invention monitor the storage battery energy-storage system;

Figure 33 is the structure chart of the storage battery energy-storage system monitored of the online monitoring system of the embodiment of the invention;

Figure 34 is the flow chart of the synchronous working control method of the converter that provides of the embodiment of the invention;

Figure 35 is the general illustration of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 36 is the general illustration that does not connect the movable storage cell energy-storage system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 37 is the general illustration of the energy-storage system that comprises the solar energy emergency power supply system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 38 is the schematic diagram of solar energy emergency power supply system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 39 is the scheme of installation of solar energy emergency power supply system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 40 is the schematic diagram of movable storage cell energy-storage system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 41 is the schematic diagram of Vehicular accumulator cell energy-storage system of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 42 is the connection diagram of mobile emergency diesel generating set of the system of the raising nuclear power station emergency power supply reliability that provides of the embodiment of the invention;

Figure 43 is the connection diagram that the storage battery energy-storage system is connected in the special-purpose turbo generator electric power system of hydraulic testpump in the embodiment of the invention.

Embodiment

In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.

As Figure 35～shown in Figure 43, a kind of method that improves nuclear power station emergency power supply reliability that the embodiment of the invention provides adopts internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030 and the storage battery energy-storage system 2100 emergency service line powering to nuclear power station.In the embodiment of the invention, by in existing nuclear power station emergency power supply, increasing at least one cover storage battery energy-storage system 2100, to replace or the existing final emergency power supply of additional nuclear power station, avoided the common mode failure of the existing emergency power supply of nuclear power station, can reduce the thawing probability of nuclear power station reactor core, improve the fail safe of nuclear power station.The storage battery energy-storage system 2100 that increases can do to have now replenishing of emergency power supply system, and it can start after existing emergency power supply loses efficacy, and keeps the residual heat of nuclear core discharge of nuclear power station and the cooling in spent fuel pond, to guarantee the safety of nuclear power generating sets.

The storage battery energy-storage system 2100 that increases has higher equipment dependability as non-active equipment, preresearch estimates according to nuclear power safety probability analysis (PSA), after nuclear power station has increased storage battery energy-storage system 2100, strengthened the reliability of emergency power supply, can reduce reactor core fusing probability 21.6%, improve the whole nuclear safety level of nuclear power station.

Particularly, as Figure 35～shown in Figure 43, described storage battery energy-storage system 2100 is stationary storage battery energy-storage system 1700 and/or movable storage cell energy-storage system 1600.Particularly, described movable storage cell energy-storage system 1600 is arranged on the means of transportation.Its distinguishing feature is away from nuclear power station as independent electric power supply.When nuclear power station extreme natural calamity takes place as disasters such as shake, tsunami doughtily, because movable storage cell energy-storage system 1600 away from nuclear power station, can be avoided the destruction of natural calamity.In case and natural calamity stops, and when all emergency power supplies all lost efficacy in the nuclear power station, portable power supply can rush to the nuclear power station scene at once, and the nuclear power station emergency set is carried out emergency service, to guarantee the safety of nuclear power generating sets.

Movable storage cell energy-storage system 1600 can be used as the shared emergency power supply of peripheral nuclear power station, the power interface that matches with movable storage cell energy-storage system 1600 by the nuclear power station setting, movable storage cell energy-storage system 1600 can provide emergency power supply to a plurality of nuclear power stations simultaneously, can realize tackling simultaneously the accident of a plurality of nuclear power stations like this, improve the general safety level of a plurality of nuclear power generating sets greatly.

Movable storage cell energy-storage system 1600 adopts modularized design, one cover movable storage cell energy-storage system 1600 not only can provide emergency power supply separately, can also be coupled to each other with a plurality of movable storage cell energy-storage systems 1600, be used in combination, provide the more emergency power supply of high power capacity, with the load capacity of the power consumption equipment that satisfies nuclear power station.

Movable storage cell energy-storage system 1600 can to the array charging of storage battery energy-storage system 2100, provide the flying power of storage battery energy-storage system 2100 by the charging input interface of storage battery energy-storage system 2100 configurations.

Described movable storage cell energy-storage system 1600 comprises vehicular storage battery energy-storage system 1500 or boat-carrying formula storage battery energy-storage system or machine-carried type storage battery energy-storage system.Every kind of carrier all has its advantage, can satisfy the requirement of the nuclear power station emergency power supply after the various natural calamities.

Vehicular storage battery energy-storage system 1500, can be used as the shared mobile emergency electrical source of power of peripheral nuclear power station, when nuclear power station loses whole emergency power supply, vehicular storage battery energy-storage system 1500 can promptly provide reserve to support, and rotate by many vehicles, lasting emergency power supply can be provided.Vehicular storage battery energy-storage system 1500 can be designed to the MW class energy storage electricity cabinet of different size, is placed with storage battery in the energy storage electricity cabinet.Vehicular storage battery energy-storage system 1500 comprises three parts: the vehicle-mounted charging device 1510 that is used to charge, be used to deposit the Car Battery device 1530 of storage battery and the vehicle-mounted electric discharge device 1520 that is used to discharge, each part can be positioned over separately on the vehicle, Car Battery device 1530 can be provided with many, so that in time expand the capacity of emergency power supply according to the demand of nuclear power station actual loading.During concrete the application, the discharge car of depositing the battery car of Car Battery device 1530 and depositing vehicle-mounted electric discharge device 1520 can sail nuclear power station into and the station-service emergency set is powered, after electric energy exhausts, battery car is sailed and is recharged the power station, charge by the charging vehicle of depositing vehicle-mounted charging device 1510, after treating that Car Battery device 1530 is full of electricity, battery car is sailed to nuclear power station again and by the discharge car emergency set in the factory is powered, by many Car Battery devices 1530 are set, can provide supply of electric power endlessly to nuclear power station.The vehicle that is used for vehicular storage battery energy-storage system 1500, it can be designed to conventional wheeled construction, also can design track structure, to adapt to abominable road environment, improve the traffic capacity of vehicle, arrive in the nuclear power station with support vehicles fast and reliable ground in the natural calamity environment.In addition, vehicle design can be become amphibious structure, vehicle can wade.

Boat-carrying formula storage battery energy-storage system: based on the most coastal construction of present nuclear power station, when the extreme natural calamity of generation causes nuclear power station to lose whole emergency power supplies, and road is badly damaged, when the vehicles can't arrive in the nuclear power station over land, can in time rush towards the nuclear power station place by the water surface by boat-carrying formula storage battery energy-storage system powers to the station-service emergency set, though boat-carrying formula storage battery energy-storage system is slower than vehicular storage battery energy-storage system 1500 at travelling speed, but its capacity height, can guarantee the nuclear power station needs of powering for a long time, and not be subjected to the restriction of road passage capability.In concrete the application, also the power supply interface of nuclear power station can be positioned over the sea by dock or chinampa, boat-carrying formula storage battery energy-storage system just can carry out emergency service to nuclear power station in the sea.

Machine-carried type storage battery energy-storage system: be applicable to the nuclear power station of existing operation and the mobile emergency power supply of following landlocked nuclear power station.Machine-carried type storage battery energy-storage system can adopt transporter, helicopter etc. by aircraft dispatch, and its storage battery energy-storage system 2100 is designed to container-type, so that transportation.Machine-carried type storage battery energy-storage system, its mobility is very strong, can rush towards nuclear power station in the shortest time and carry out emergency service, to guarantee the safe operation of nuclear power generating sets.

Particularly, as Figure 35～shown in Figure 43, the system that improves nuclear power station emergency power supply reliability also comprises mobile emergency diesel generating set 1040, described moving emergency diesel generating set 1040 comprises the vehicles and the diesel generator that is arranged on the vehicles, described diesel engine generator is provided with output interface, and nuclear power station is provided with the input interface that is complementary with described output interface.Like this, mobile emergency diesel generating set 1040 can be used as the shared mobile emergency electrical source of power of peripheral nuclear power station, when the diesel engine unit generator failure of the arbitrary nuclear power station internal fixation of periphery, this mobile emergency diesel generating set 1040 can in time sail nuclear power station that emergency service is provided, to guarantee the safety of nuclear power generating sets.

Particularly, online monitoring system is set, be used to monitor the state of internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030, storage battery energy-storage system 2100 and power consumption equipment, when diesel generating set loses power supply, start storage battery energy-storage system 2100 and provide emergency service to the power consumption equipment of nuclear power station by the emergency service circuit, additionally, also can manually storage battery energy-storage system 2100 be started and provide emergency service.

Particularly, portable charging device is set, on described portable charging device the charging output interface is set, on described storage battery energy-storage system 2100 charging input interface is set, described charging input interface and described charging output interface are complementary.The diesel generating set that can adopt portable battery car or movable type is to charging and discharging storage battery energy-storage system 2100 or directly the station-service emergency set being discharged.

Particularly, described stationary diesel generating set 1030 comprises emergency diesel dynamo group 1040 and additional emergency diesel dynamo group 1070, when described emergency diesel dynamo group 1060 lost efficacy, described additional emergency diesel dynamo group 1070 can replace the emergency diesel dynamo group 1060 of inefficacy, form multiple guarantee, be beneficial to the reliability that improves the nuclear power station security of operation.After main power source outside the factory and off-site auxiliary power source also lost, diesel generating set was as emergency power supply in the factory, with startup and to for guaranteeing the station-service power devices that nuclear power station is in a safe condition.Nuclear power station is provided with a plurality of reactors, each reactor all is equipped with 2 emergency diesel dynamo groups 1060, also be provided with an additional diesel generating set in the nuclear power station, when arbitrary emergency diesel dynamo group 1060 cisco unity malfunctions, additional emergency diesel dynamo group 1070 can in time start and replace the emergency diesel dynamo group 1060 of fault, guarantees the nuclear plant safety operation.

In concrete the application, described storage battery energy-storage system 2100 can be connected in the instrument control power-supply system of nuclear power station, to replace the original emergent lead-acid batteries of described instrument control power-supply system.

Particularly, being provided with in described storage battery energy-storage system 2100 tops can be to the solar energy emergency power supply system 1200 of described storage battery energy-storage system 2100 chargings, when the capacity of storage battery energy-storage system 2100 was lower than predetermined value, solar energy emergency power supply system 1200 can be to described storage battery energy-storage system charging.

Particularly, as Figure 35～shown in Figure 42, described storage battery energy-storage system 2100 is connected in the special-purpose turbo generator electric power system 1050 of hydraulic testpump, to replenish or to replace the special-purpose turbo generator of hydraulic testpump, for hydraulic testpump provides safe and reliable 380V power supply.

Particularly, as depicted in figs. 1 and 2, storage battery energy-storage system 2100 is connected in the emergency bus 2910, and by online monitoring system described storage battery energy-storage system 2100 is monitored;

When the power consumption equipment dead electricity of nuclear power station, start described storage battery energy-storage system 2100 by described online monitoring system, and by the power consumption equipment power supply of emergency bus 2910 to nuclear power station.

Described power consumption equipment comprises cooling system, electronic instrument, control system, supervisory control system or illuminator etc., in the present embodiment, with the system applies that improves nuclear power station emergency power supply reliability in the power supply of station-service emergency set, to guarantee the normal power supply of station-service emergency set in extreme condition.

The method of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, it can resist the existing resistless super design reference operating mode of emergency power system of nuclear power station, as the serious natural calamity of earthquake stack tsunami etc., the method of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, design basis and super design reference with nuclear power station are considered design, can in the serious natural calamity of super design condition, normally move, can reduce nuclear power station core melt probability 21.6%, improve the fail safe of nuclear power station.

Described online monitoring system can be used for monitoring the state of storage battery energy-storage system 2100 and all the other line relateds of nuclear power station, equipment; Under normal circumstances, utilize in the factory suitable pathways such as electrical network or external electrical network that storage battery energy-storage system 2100 is charged, make storage battery energy-storage system 2100 be in stand-by state at any time, when emergency takes place in the nuclear power station when other emergency power supply damage or cisco unity malfunction, storage battery energy-storage system 2100 can provide power supply to power consumption equipment relevant in the nuclear power station, make relevant power consumption equipment be in normal running status, guaranteed the safety of nuclear power station effectively.

By online monitoring system is set, can detect the state of relevant device such as cell, converter, array etc. in real time, and can carry out failure diagnosis, the relevant device that has fault is carried out self-regeneration, the automatic automated intelligent switching function of isolated fault equipment relevant device, avoid the expansion of fault to cause the unavailable of system.

Particularly, storage battery energy-storage system 2100 comprises the energy-storage system module 2110 of a plurality of parallel connections, and energy-storage system module 2110 is connected on the emergency bus 2910 by bus rod 2920.In the present embodiment, energy-storage system module 2110 all is parallel on the bus rod 2920.In concrete the application, can be according to the actual conditions such as cruising time of storage battery energy-storage system 2100 designs, to select the energy-storage system module 2110 of respective numbers, the capacity of storage battery energy-storage system 2100 designs is greater than actual desired volume, even part energy-storage system module 2110 breaks down or damages, can it be disconnected from bus rod 2920 by online monitoring system, remaining energy-storage system module 2110 also can be moved and practical requirement reliably, guaranteed the reliability of storage battery energy-storage system 2100, guarantee the reliability of power supply in emergency circumstances, thereby reached the purpose of design that improves nuclear plant safety.

And, can on bus rod 2920, increase the quantity of energy-storage system module 2110 easily, thereby improve the capacity of system and prolonged the operating time of system because energy-storage system module 2110 has formed modular design.In concrete the application, can reserve corresponding interface and wiring at bus rod 2920, so that energy-storage system module 2110 is increased in the storage battery energy-storage system 2100.By this modular design, the energy-storage system module 2110 of suitable quantity can be connected on the bus rod 2920, on the one hand can be according to the not equal actual conditions of load, neatly storage battery energy-storage system 2100 is designed to be adapted to the requirement of different capacity and capacity, on the other hand can be easily require to design according to the Redundancy Design of nuclear power station, can increase the quantity of energy-storage system module 2110 very easily according to actual conditions, only need be connected in energy-storage system module 2110 on the bus rod 2920 and get final product, and storage battery energy-storage system 2100 is carried out capacity expansion and upgrading, use, safeguard, all very convenient.

Particularly, described energy-storage system module 2110 has anti-seismic structure, and described energy-storage system module 2110 is fixed by fixed support, and described fixed support is welded by supporting member and is fixed on the pre-buried steel member by locking member.In the present embodiment, supporting member is an angle steel, and locking member is a bolt, can move reliably in super design reference operating modes such as high earthquake intensity to guarantee energy-storage system module 2110.In the concrete structural design, reliable fixed structure can be set or suitable construction such as suitable buffer structure be set and suitable storing unit reaches the ability of shockproof requirements and anti-serious natural calamity, concrete, the converter 2111 of energy-storage system module 2110 is necessary for by antiseismic evaluation, its fixed support selects for use angle steel to be welded according to antidetonation mechanics result calculated, its inner components and parts are selected impact-resistant components and parts for use, and the set bolt of plate and components and parts adds shock mount or plastic spacer is loosening to prevent under earthquake or vibration operating mode;

The battery modules 2101 of storage battery energy-storage system 2100 must be by antiseismic evaluation, and its fixed support selects for use angle steel to be welded according to antidetonation mechanics result calculated, and the pole between its battery adopts electric reliable conducting when being flexible coupling with the assurance earthquake;

Battery modules 2101 and converter 2111 uses screw with anti-loosening spring washer in the pre-buried steel member of erecting bed;

Airtight around the storing unit of storage battery energy-storage system 2100, as equipment transportation door is set, then add water door, when guaranteeing externally water logging, storage battery energy-storage system 2100 still can move;

There are non-active conflux irrigation canals and ditches and melt pit in the storing unit inside of storage battery energy-storage system 2100, and automatic drain system is installed in the melt pit, and after guaranteeing inner inlet, storage battery energy-storage system 2100 still can move;

The storing unit of storage battery energy-storage system 2100 is built by anti-nuclear plant safety shutdown earthquake requirement.

Particularly, as shown in Figure 1, described energy-storage system module 2110 comprises converter 2111 and array 2112, array 2112 is connected on the bus rod 2920 by converter 2111, array 2112 comprises a plurality of battery modules 2101, a plurality of battery modules 2101 are parallel on the converter 2111 increasing the capacity of array 2112, described battery modules 2101 by a plurality of cell strings or/and be formed in parallel to increase the voltage/current of battery modules.Array 2112 can form modular design, by this modular design, the battery modules 2101 of suitable quantity can be connected on the dc bus 2930, on the one hand can be according to the not equal actual conditions of load, with neatly with array 2112, storage battery energy-storage system 2100 is designed to be adapted to the requirement of different capacity and capacity, on the other hand can be easily require to design according to the Redundancy Design of nuclear power station, can increase the quantity of battery modules 2101 very easily according to actual conditions, only need be connected in battery modules 2101 on the dc bus and get final product, and storage battery energy-storage system 2100 is carried out capacity expansion and upgrading, use, safeguard, all very convenient.

By converter 2111 and online monitoring system are set, the operational mode of energy-storage system module 2110 can be flexible and changeable, and different energy-storage system modules 2110 can synchronous working, also can discrete work.For example, 2110 pairs of loads of part energy-storage system module are discharged, meanwhile, can make the energy-storage system module 2110 of another part be in charged state or be ready, one or more energy-storage system modules 2110 are charged to other one or more energy-storage system modules 2110, give and safeguard, use, test and bring very big facility.

Particularly, first switch control unit 2160 is set between described energy-storage system module 2110 and bus rod 2920, be connected between described first switch control unit 2160 and the online monitoring system, control described first switch control unit 2160 by described online monitoring system; Second switch control unit 2150 is set between described battery modules and converter, is connected between second switch control unit 2150 and the described online monitoring system, control described second switch control unit 2150 by online monitoring system.By such design, be provided with switch between each battery modules and the converter, switch can be controlled by online monitoring system, in case online monitoring system detects voltage, electric current, capacity or the temperature of a certain battery modules when being in beyond the scope of setting, just can in time control second switch control unit 2150 makes this battery modules disconnect from converter, and with another be under the stand-by state battery modules and to dc bus, the system reliability height.

Particularly, in described first switch control unit 2160 manual-operating mechanism is set, operating personnel can manual operation put into operation energy-storage system module 2110 to bus rod 2920 or from bus rod 2920 excisions, just in case occur unexpected, can power to the station-service emergency set with energy-storage system module 2110 and in emergency bus 2910 by operating personnel's manual operation, perhaps; In described second switch control unit 2150 manual-operating mechanism is set, operating personnel can manual operation put into operation battery modules and excise to dc bus or from dc bus.

Particularly, on described bus rod 2920, connect low tension switch 2120, on described low tension switch 2120, connect transformer 2130, rise to suitable voltage with the voltage that storage battery energy-storage system 2100 is exported.Described transformer 2130 is connected in emergency bus 2910 by Medium voltage switch or circuit breaker or high-voltage switch gear 2140.In the present embodiment, storage battery energy-storage system 2100 output voltages are 380 volts, and the high-tension electricity that forms 6.6 kilovolts after boosting through transformer 2130 is to emergency bus 2910 power supplies.

Particularly, wherein a described energy-storage system module 2110 can be used for another energy-storage system module 2110 is charged when discharging and recharging experiment.Because battery does not carry out charge or discharge for a long time and will not influence its serviceability and life-span, and the equipment of nuclear power station detects in some cycles or tests, and will artificially control energy-storage system module 2110 to discharge and recharge.By such design, when need discharge and recharge experiment or daily periodic maintenance when energy-storage system module 2110 is discharged and recharged, only needing wherein an energy-storage system module 2110 to connect load is discharged to electric energy and exhausts, the energy-storage system module 2110 that exhausts of 2110 pairs of these electric energy of another energy-storage system module is charged then, electric weight until this energy-storage system module 2110 is full of, the rest may be inferred, after A energy-storage system module 2110 connects load or passes through suitable method and discharges separately, B energy-storage system module 2110 is set to the forced electric discharge pattern A energy-storage system module 2110 is charged, B discharges, and A charges; C energy-storage system module 2110 is set to the forced electric discharge pattern B energy-storage system module 2110 is charged, and C discharges, and B charges; D energy-storage system module 2110 is set to the forced electric discharge pattern C energy-storage system module 2110 is charged, and D discharges, and C charges; The rest may be inferred, the energy-storage system module 2110 of discharging is at last charged by interior network source or other suitable method, reached the purpose of design of energy-conserving and environment-protective, only needing the very little electric energy of consumption to make system is that all energy-storage system modules 2110 have carried out discharging and recharging experiment.Particularly storage battery energy-storage system 2100 capacity reach under the situation of megawatt specification, charge as if network source in energy-storage battery modules all in the storage battery energy-storage system 2100 is beneficial to or outer network source, its Financial cost height, not environmental protection, by above-mentioned technical scheme, on the one hand reach the requirement of detection, experiment, maintenance, reduced operating cost on the other hand.And in the whole charging and discharging experimentation, have only the energy-storage system module 2110 of minority to be in electroless state, the energy-storage system module 2110 that is in electroless state is not more than the design margin of Redundancy Design, even in discharging and recharging experimentation, produce the disaster of super design reference operating mode, be in the requirement that has the energy-storage system of electricity condition module 2110 also can satisfy emergency operating in the whole storage battery energy-storage system 2100, no matter at normal operating condition, still in discharging and recharging experimentation, all can carry out emergency service at any time to the station-service emergency set.

The realization flow that the online monitoring system that Figure 26 shows the embodiment of the invention to be provided is monitored storage battery energy-storage system 2100, details are as follows: (with reference to Figure 26 to Figure 33)

In step S101, gather the performance parameter of battery in the energy-storage system.

The performance parameter of battery is at least one in the performance parameter of the performance parameter of performance parameter, battery modules of cell and array.The performance parameter of cell includes but not limited to capacity, voltage, electric current, temperature, internal resistance of cell etc.The performance parameter of battery modules includes but not limited to capacity, voltage, electric current, temperature, internal resistance of battery modules etc.The performance parameter of array includes but not limited to capacity, voltage, electric current, temperature, internal resistance of array etc.

The mode of wherein gathering the performance parameter of battery in the energy-storage system includes but not limited to following mode:

Wherein a kind of mode is that collecting device is connected with each battery modules in the energy-storage system by fieldbus, gathers the performance parameter of battery in the energy-storage system by collecting device.

The detailed process of gathering the performance parameter of battery in the energy-storage system by collecting device is as follows: collecting device is connected to the contact pin type terminal board of the cell in the energy-storage system by the in-site measurement bus, can collect the voltage of each cell in the energy-storage system and the voltage and the temperature of temperature and each battery modules.

Wherein collecting device can be for gathering the equipment of above-mentioned information arbitrarily, as data acquisition interface plate, I/O communication unit or data collecting card, at this not with the above-mentioned limit that is illustrated as.

Wherein another kind of acquisition mode is the performance parameter that reads battery from the battery modules watch-dog.Wherein the battery modules watch-dog is the equipment that battery modules is carried out information gathering and carried out communication with supervisory control system.

See also Figure 27, be the embodiment of the invention provide read the exemplary plot of the performance parameter of battery from the battery modules watch-dog, but do not exceed with this exemplary plot.

In step S102, calculate the total capacity of energy-storage system according to the performance parameter of battery.

In embodiments of the present invention, because at least one in the capacity of the array that comprises the capacity of capacity, the battery modules of each cell in the performance parameter of battery, constitutes by a plurality of battery modules, therefore, can calculate the total capacity of energy-storage system according to the performance parameter of battery.It is as follows wherein to calculate the detailed process of total capacity of energy-storage system according to the performance parameter of battery:

The capacity of each cell added up obtains the total capacity of energy-storage system, and the capacity of each battery module is added up obtains the total capacity of energy-storage system, and perhaps the capacity of array being added up obtains the total capacity of energy-storage system.

In step S103, detect the operating condition of nuclear power station, according to the load capacity under the current operating condition of operating condition calculating nuclear power station of nuclear power station.

Wherein the operating condition of nuclear power station includes but not limited to normal operation and dead electricity pattern, shutdown and dead electricity pattern, peace annotates and dead electricity pattern, LOCA (reactor coolant forfeiture accident, Loss of Coolant Accident) and dead electricity pattern and extreme accident pattern.

Wherein normal operation and dead electricity pattern are meant that reactor capability loses external power source when being in 0% to 100% design power; Shutdown and dead electricity pattern are meant and lose external power source when reactor capability is in safe shutdown; Peace is annotated and the dead electricity pattern is meant that the peace that starts safety injection system and auxiliary feedwater system loses external power source when annotating signal; LOCA and dead electricity pattern are meant the peace notes signal that starts safety injection system and auxiliary feedwater system, when the signal that starts containment spray system is arranged simultaneously, lose external power source; Extreme accident pattern is meant and loses external power source when radioactive substance leaks.

The concrete steps of operating condition that wherein detect nuclear power station are as follows:

Detect and whether lose external power source;

The temperature of detection reactor coolant loop cooling agent when losing external power source, pressure and boron concentration, and the peace of safety injection system is annotated signal, the containment pressure signal of containment spray system;

With detected above-mentioned signal and in advance the storage operating condition and the corresponding relation between the signal compare, can obtain nuclear power station present located operating condition.

Step according to the load capacity under the current operating condition of operating condition calculating nuclear power station of nuclear power station is specially:

Calculate load capacity under the current operating condition of nuclear power station according to the relation between the load capacity of the operating condition of nuclear power station and nuclear power station.

Nuclear power station necessary minimum load capacity that provides for nuclear power station under this kind operating condition is provided relation between the operating condition of nuclear power station and the load capacity of nuclear power station.Following showing of relation between the operating condition of nuclear power station and the load capacity of nuclear power station, but not with the following limit that is depicted as.

Normal operation and dead electricity pattern: LHA (6.6KV AC Emergency Power DistributionTrain A, 6.6KV AC exchanges the casualty power distribution system series A) bussed supply 5005KW, LHB bussed supply 4545KW, promptly when nuclear power station is in normal operation mode, if energy-storage system is by the LHA bussed supply, then the load capacity under the normal operation mode is 5005KW, if energy-storage system is by LHB (6.6kV ACEmergency Power Distribution-Train B, 6.6KV AC exchanges casualty power distribution system series B) bussed supply, then the load capacity under the normal operation mode is 4545KW;

Shutdown and dead electricity pattern: LHA bussed supply 4705KW, LHB bussed supply 4240KW;

Peace is annotated and the dead electricity pattern: LHA bussed supply 5230KW, LHB bussed supply 4770KW;

LOCA and dead electricity pattern: LHA bussed supply 4990KW, LHB bussed supply 4595KW;

Extreme accident pattern: a RIS (Safety Injection, safety injection system) pump power supply 355KW, a SEC (Essential Service Water, the essential service water system) pump power supply 315KW, a RRI (Component Cooling, component cooling water system) pump power supply 600KW, LNE (Uninterrupted220V AC Power, 220V ac uninterrupted power supply system) 306CR (Marshalling Box, consumer unit) power supply 16KW, promptly when nuclear power station was in extreme accident pattern, the load capacity of extreme accident pattern was 355KW+315KW+600KW+16KW=1286KW.

According to the operating condition of nuclear power station calculate the load capacity under the current operating condition of nuclear power station concrete steps can also for:

Read under the different operating conditions that comprise in the nuclear power plant accident rules power of each equipment in the nuclear power station.Be that the nuclear power plant accident rules have been stipulated to be in different operating condition following time at nuclear power station, which equipment in the nuclear power station needs power supply, and which equipment does not need power supply, needs the power etc. of the equipment of power supply.

According to being sued for peace, the power of each equipment in the nuclear power station under the current operating condition obtains the load capacity under the current operating condition of nuclear power station.

In step S104, according to the socking out time and the output of energy-storage system under the current operating condition in load capacity definite kernel power station of the total capacity of energy-storage system and nuclear power station.

In embodiments of the present invention, owing to can monitor the crucial operational factor of nuclear power station in real time, judge according to parameter value which kind of operating condition current nuclear power station belongs to, the online monitoring system that has solved existing energy-storage system can't be monitored the crucial operational factor problem of nuclear power station and can't be judged the especially problem of accident condition of nuclear power station running status.According to the operating condition that solidifies in advance and the relation of nuclear power station load capacity, obtain the socking out time that the current operating condition of nuclear power station calculates energy-storage system in conjunction with the energy-storage system calculation of capacity, the online monitoring system that has solved existing energy-storage system can't provide the problem as the energy-storage system socking out time of nuclear power station emergency power supply.

In another embodiment of the present invention, after the step of the socking out time of energy-storage system, this method also comprises the steps: under according to the current operating condition in load capacity definite kernel power station of the total capacity of energy-storage system and nuclear power station

The socking out time of energy-storage system, the operating condition of nuclear power station, the total capacity of energy-storage system are uploaded to the nuclear power station main control room.

In this embodiment, by the socking out time with energy-storage system, the operating condition of nuclear power station, the total capacity of energy-storage system is uploaded to nuclear power station main control room remote operation station, can make nuclear power station operating personnel under different operating conditions all can monitor the socking out time of energy-storage system, and then can be timely according to the socking out time of energy-storage system under the different system operating condition, efficiently, accurately the nuclear power generating sets in energy-storage system and the nuclear power station are carried out the Artificial Control intervention information support is provided, be that nuclear power station avoids taking place serious accident or restriction accident extension prerequisite, improved the safety in operation of nuclear power station greatly.

The socking out time of energy-storage system, the operating condition of nuclear power station, the total capacity of energy-storage system are uploaded to the nuclear power station Police Command Center.

By the socking out time with energy-storage system, the operating condition of nuclear power station, the total capacity of energy-storage system is uploaded to the nuclear power station Police Command Center, thereby make and take place under the especially big nuclear accident situation, the nuclear power station emergency command expert of portion of nuclear power station Police Command Center also can be known the accumulation of energy situation of energy-storage system in the nuclear power station timely, and then can be accurate according to the socking out time of energy-storage system in the nuclear power station, determine emergent strategy fast, formulate emergency preplan, limit the further deterioration or the upgrading of especially big nuclear accident, avoid leaking of nuclear radiation that the public is caused radiation injury.

The total capacity of energy-storage system is uploaded to the recorder of main control room, total capacity by the instant output energy-storage system of the recorder of main control room, and the total capacity historical variations trend of demonstration energy-storage system, thereby make the nuclear power station operating personnel can be immediately, efficiently to the total capacity of energy-storage system carry out in real time, comprehensively monitoring, the fail safe that further improves nuclear power station.

In another embodiment of the present invention, after the step of the performance parameter of battery, this method also comprises the steps: in gathering energy-storage system

Whether the state of judging each cell in the energy-storage system according to the performance parameter of battery in the energy-storage system is unusual, and during the abnormal state of the cell in energy-storage system, the physical location of the cell that positioning states is unusual.

Whether unusual step is specially wherein to judge the state of each cell in the energy-storage system according to the performance parameter of battery in the energy-storage system:

When the performance parameter of battery satisfies in the following condition at least one, judge that this cell is unusual:

The electric current of dc bus is higher than the regular picture electric current; Voltage is lower than cut-ff voltage or is higher than permission voltage; Temperature is higher than rated temperature.

During the abnormal state of the cell in energy-storage system, the step of the physical location of the cell that positioning states is unusual is specially:

Read the address of abnormal signal, get final product the physical location of the unusual cell of positioning states according to the address of abnormal signal.

In another embodiment of the present invention, in described collection storage battery energy-storage system 2100 after the step of the performance parameter of battery,

According to the performance parameter of battery in the storage battery energy-storage system 2100, judge whether battery modules exists fault, and when there is fault in battery modules, isolate putting into operation of the battery modules that has fault, and the reserve battery module that puts into operation.

The step of fault is as follows wherein to judge battery modules according to the performance parameter of battery in the energy-storage system:

Whether the state of judging each cell in the energy-storage system according to the performance parameter of battery in the energy-storage system is unusual;

When cell causes the voltage of battery modules at this cell place or electric current to change to exceed default permissible error scope unusually, judge the battery modules fault at the unusual place of cell.

The concrete mode of wherein excising the fail battery module can be the second switch control unit 2150 that disconnects between this fail battery module and the dc bus.

In another embodiment of the present invention, isolated the battery modules that has fault after, this method also comprises the steps:

Carry out manually or the processing that automatically resets having got rid of the battery modules after the fault.

In another embodiment of the present invention, this method also comprises the steps:

When detecting cell when unusual, the fault cell is reported to the police on the spot, when detecting the battery modules fault, the fail battery module is reached the master-control room remote alarms on the spot.

The instruction of reception main control room puts into operation to the battery modules in the energy-storage system or excises control.

In embodiments of the present invention, by in the display device of main control room, exporting the structure of energy-storage system by human-computer interaction interface, the user is by any one second switch control unit 2150 input battery modules of clicking energy-storage system in this human-computer interaction interface put into operation order or battery modules excision order, according to the battery modules of the main control room corresponding second switch control unit 2150 in the closed energy-storage system of order that puts into operation, be the putting into operation of battery modules of these second switch control unit 2150 correspondences of may command, second switch control unit 2150 corresponding in the energy-storage system, the i.e. excision of the battery modules of these second switch control unit 2150 correspondences of may command are opened in battery modules excision order according to main control room.

The magnitude of voltage of monitoring emergency bus 2910, when the duration that emergency bus 2910 loses voltage surpasses Preset Time, the generation system signal that puts into operation.Wherein to put into operation that signal is used to indicate need be the emergency service power supply of nuclear power station with the energy-storage system switching in system.When the duration that emergency bus 2910 does not lose voltage or loses voltage surpasses Preset Time, then do not need the energy-storage system that puts into operation, signal can the generation system put into operation yet.Wherein Preset Time can be 9.7s.

According to system's signal that puts into operation is the emergency service power supply of nuclear power station with the energy-storage system switching.

In embodiments of the present invention, when detecting the existing five road emergency power supplies of nuclear power station and can not provide power supply, can provide emergency power supply for nuclear power station by energy-storage system, because what energy-storage system adopted is storage battery, therefore nuclear power station can not lose all electrical source of power moment, and the energy-storage system capacity is enough big again, so just handles for Nuclear Power Station Accident Emergency and wins time enough, the fail safe that has improved nuclear power station greatly.In addition, consider for nuclear plant safety, control has strict logical relation to nuclear power station to power station equipment, this logical relation not exclusively conforms to even conflicts with control logic with the control strategy of the online monitoring system of existing energy-storage system, and the on-line monitoring method of the energy-storage system that the embodiment of the invention provides can satisfy the control requirement of nuclear power station.

But the voltage of energy-storage system module 2110 carries out charging process less than 2111 times spent of converter in default charging voltage and this energy-storage system module 2110 to this energy-storage system module 2110 in not generation system puts into operation signal, energy-storage system.

In embodiments of the present invention, when having external power source, can charge to the battery modules in the energy-storage system timely by external power source, make the accumulation of energy capacity system can tackle the existing five road power supply total loss accidents of nuclear power station at any time, simultaneously also help to make each cell of energy-storage system to reach optimum state, thereby the energy-storage system useful life reach its design maximum life-span.

What Figure 33 showed that the embodiment of the invention provides is the idiographic flow of the emergency service power supply of nuclear power station according to system's signal that puts into operation with the energy-storage system switching, and details are as follows:

In step S301, the first energy-storage system module 2110 in the energy-storage system that puts into operation.Wherein the first energy-storage system module 2110 in the energy-storage system is meant the energy-storage system module 2110 that puts into operation for the first time in the energy-storage system, and it can be any one the energy-storage system module 2110 in the energy-storage system.Its concrete steps are as follows:

Converter 2111 in the first energy-storage system module 2110 in the direct closed energy-storage system and first switch control unit 2160 between the bus rod 2920.

In order to reach the effect that puts into operation preferably, in another embodiment of the present invention, also comprise the steps: before the first energy-storage system module 2110 in the energy-storage system that puts into operation

A, judge whether the converter 2111 in the first energy-storage system module 2110 is available in the energy-storage system that puts into operation, if, execution in step B, otherwise, execution in step C;

The first energy-storage system module 2110 in B, the energy-storage system that puts into operation;

C, from energy-storage system, select an energy-storage system module 2110 as the first energy-storage system module 2110 again, and this first energy-storage system module 2110 of restarting to put into operation.

In embodiments of the present invention, whether the converter 2111 of judging this first energy-storage system module 2110 before the first energy-storage system module 2110 that puts into operation is available, but when the time spent, this first energy-storage system module 2110 just puts into operation, otherwise other energy-storage system modules 2110 of restarting to put into operation make the energy-storage system module 2110 that puts into operation to power normally.

In another embodiment of the present invention, but 2111 times spent of converter in judgement puts into operation energy-storage system in the first energy-storage system module 2110, the voltage of the first energy-storage system module 2110 in the monitoring energy-storage system, and whether the voltage of judging the first energy-storage system module 2110 reaches cut-ff voltage, if not, the first energy-storage system module 2110 in the energy-storage system puts into operation, otherwise from energy-storage system, select an energy-storage system module 2110 again, and this first energy-storage system module 2110 of restarting to put into operation as the first energy-storage system module 2110.

In this embodiment, when the voltage of the first energy-storage system module 2110 reaches cut-ff voltage in energy-storage system, represent this first energy-storage system module 2110 to be difficult to reach the effect of powering preferably, present embodiment is not put into operation for this energy-storage system module 2110, thereby has further improved the power supply effect and the stability of energy-storage system.

In another embodiment of the present invention, when the voltage of judging the first energy-storage system module 2110 did not reach cut-ff voltage, this method also comprised the steps:

Whether converter 2111 and first switch control unit 2160 between the bus rod 2920 of judging the first energy-storage system module 2110 be closed, if, then throw in successfully, otherwise first switch control unit 2160 between the converter 2111 of the closed first energy-storage system module 2110 and the bus rod 2920.

In step S302, the second energy-storage system module 2110 in the energy-storage system that puts into operation, and circulation carries out this step, energy-storage system module 2110 all puts into operation and finishes or energy-storage system satisfies till the power demand in energy-storage system.

The second energy-storage system module 2110 is meant the energy-storage system except that the first energy-storage system module 2110 in the energy-storage system.The step of the second energy-storage system module 2110 in the energy-storage system that wherein puts into operation is specially:

A, judge whether the converter 2111 in the second energy-storage system module 2110 of the energy-storage system that puts into operation is available, if, execution in step B, otherwise, execution in step C;

B, to the processing of being incorporated into the power networks that puts into operation of the second energy-storage system module 2110 of energy-storage system.Wherein as follows to put into operation the be incorporated into the power networks concrete steps handled of the second energy-storage system module 2110 of energy-storage system:

Detect the frequency of bus rod 2920 and the frequency and the phase angle of the phase angle and the second energy-storage system module 2110;

When the difference on the frequency between the second energy-storage system module 2110 and the bus rod 2920 and phase angle difference during simultaneously less than predetermined value, the second energy-storage system module 2110 puts into operation.

C, from energy-storage system, select an energy-storage system module 2110 as the second energy-storage system module 2110 again, and this second energy-storage system module 2110 of restarting to put into operation.

In this embodiment, whether the converter 2111 of judging this second energy-storage system module 2110 before the second energy-storage system module 2110 that puts into operation is available, but when the time spent, this second energy-storage system module 2110 just puts into operation, otherwise other energy-storage system modules 2110 of restarting to put into operation make the energy-storage system module 2110 that puts into operation to power normally.

In another embodiment of the present invention, but 2111 times spent of converter in judgement puts into operation the second energy-storage system module 2110 of energy-storage system, judge the voltage of the second energy-storage system module 2110 in the monitoring energy-storage system, and whether the voltage of judging the second energy-storage system module 2110 reaches cut-ff voltage, if not, the second energy-storage system module 2110 in the energy-storage system puts into operation, otherwise from energy-storage system, select an energy-storage system module 2110 again, and this second energy-storage system module 2110 of restarting to put into operation as the second energy-storage system module 2110.

In this embodiment, when the voltage of the second energy-storage system module 2110 reaches cut-ff voltage in energy-storage system, represent this second energy-storage system module 2110 to be difficult to reach the effect of powering preferably, present embodiment is not put into operation for this energy-storage system module 2110, avoid the battery modules over-discharge can seriously to reduce the battery modules life-span, thereby further improved the power supply effect and the stability of energy-storage system.

In another embodiment of the present invention, when the voltage of judging the second energy-storage system module 2110 did not reach cut-ff voltage, this method also comprised the steps

Whether converter 2111 and first switch control unit 2160 between the bus rod 2920 of judging the second energy-storage system module 2110 be closed, if, then throw in successfully, otherwise first switch control unit 2160 between the converter 2111 of the closed second energy-storage system module 2110 and the bus rod 2920.

In another embodiment of the present invention, the step of the second energy-storage system module 2110 in the energy-storage system that puts into operation is specially:

Whether the power that detects bus rod 2920 satisfies the power demand of energy-storage system, if, the end that then puts into operation, otherwise the second energy-storage system module 2110 that continues to put into operation.Wherein the power demand of energy-storage system be meant current on emergency bus 2910 load-carrying gross power.

After energy-storage system puts into operation, when the difference of the power of detected bus rod 2920 and the power demand of energy-storage system surpasses the power of single energy-storage system module 2110, energy-storage system module 2110 of excision from the energy-storage system module 2110 that has put into operation, this step is carried out in circulation, till the power of difference less than single energy-storage system module 2110 of the power demand of the power of bus rod 2920 and energy-storage system.

The embodiment of the invention also provides a kind of system that improves nuclear power station emergency power supply reliability, be used for providing emergency service to the power consumption equipment of nuclear power station, comprising can be by internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030 and the storage battery energy-storage system 2100 of emergency service circuit to the nuclear power station power supply.Storage battery energy-storage system 2100 is provided with online monitoring system, be used to monitor the state of internal electric network supply line 1010, external electrical network supply line 1020, diesel generating set, storage battery energy-storage system 2100 and power consumption equipment, starting storage battery energy-storage system 2100 when stationary diesel generating set 1030 can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

Described power consumption equipment comprises cooling system, electronic instrument, control system, supervisory control system or illuminator etc.

Described storage battery energy-storage system 2100 is connected in the power consumption equipment of nuclear power station by the emergency service line electricity.

The system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, it can resist the existing resistless super design reference operating mode of emergency power system of nuclear power station, as the serious natural calamity of earthquake stack tsunami etc., the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided considers design with the design basis and the super design reference of nuclear power station, can in the serious natural calamity of super design condition, normally move, can reduce nuclear power station core melt probability 21.6%, improve the fail safe of nuclear power station.

Be electrically connected between described energy-storage system module and the online monitoring system; Described online monitoring system is used to monitor the state of storage battery energy-storage system 2100; Under normal circumstances, utilize in the factory suitable pathways such as electrical network or external electrical network that storage battery energy-storage system 2100 is charged, make storage battery energy-storage system 2100 be in stand-by state at any time, when emergency takes place in the nuclear power station when other emergency power supply damage or cisco unity malfunction, storage battery energy-storage system 2100 can provide power supply to power consumption equipment relevant in the nuclear power station, make relevant power consumption equipment be in normal running status, guaranteed the safety of nuclear power station effectively.

Particularly, described storage battery energy-storage system 2100 comprises stationary storage battery energy-storage system 1700 and/or movable storage cell energy-storage system 1600.Particularly, described movable storage cell energy-storage system 1600 is arranged on the means of transportation.Its distinguishing feature is away from nuclear power station as independent electric power supply.When nuclear power station extreme natural calamity takes place as disasters such as shake, tsunami doughtily, because movable storage cell energy-storage system 1600 away from nuclear power station, can be avoided the destruction of natural calamity.In case and natural calamity stops, and when all emergency power supplies all lost efficacy in the nuclear power station, portable power supply can rush to the nuclear power station scene at once, and the nuclear power station emergency set is carried out emergency service, to guarantee the safety of nuclear power generating sets.

The online monitoring system that storage battery energy-storage system 2100 is provided with, be used to monitor the state of internal electric network supply line 1010, external electrical network supply line 1020, diesel generating set, storage battery energy-storage system 2100 and power consumption equipment, starting storage battery energy-storage system 2100 when stationary diesel generating set 1030 can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.By online monitoring system is set, can detect the state of relevant devices such as relevant device such as cell, converter, array in real time, and can carry out failure diagnosis, the relevant device that breaks down is carried out self-regeneration, the automatic automated intelligent switching function of isolated fault equipment relevant device, avoid the expansion of fault to cause the unavailable of system.

Particularly, the system of described raising nuclear power station emergency power supply reliability also comprises portable charging device, on described portable charging device, the charging output interface is set, the charging input interface that can charge to storage battery energy-storage system 2100 is set on storage battery energy-storage system 2100, and described charging input interface and described charging output interface are complementary.The diesel generating set that can adopt portable battery car or movable type is to charging and discharging storage battery energy-storage system 2100 or directly the station-service emergency set being discharged.

Particularly, described storage battery energy-storage system 2100 is connected in the special-purpose turbo generator electric power system 1050 of hydraulic testpump, can replenish or replace the special-purpose turbo generator electric power system of the hydraulic test, for hydraulic testpump provides safer reliable 380V power supply, guarantee that the reactor coolant pump axle seals water filling and can not interrupt, prevent cooling agent to external leakage, security reliability is good.

Particularly, described storage battery energy-storage system 2100 is arranged at suitable position, it is higher than sea level and the distance suitable apart from the reactor of nuclear power station, storage battery energy-storage system 2100 can be provided with a cover or at least two covers, be set to for 2 whens cover, storage battery energy-storage system 2100 is connected in power consumption equipment by supply line independently; Like this, can make storage battery energy-storage system 2100 dispersed placement in different places, because the storage battery energy-storage system 2100 of single cover just can satisfy the design instructions for use of nuclear power station, therefore, by at least two cover storage battery energy-storage systems 2100 are set, even can guarantee that wherein a cover storage battery energy-storage system 2100 is damaged in extreme natural calamity, remaining storage battery energy-storage system 2100 also can guarantee nuclear power station electricity consumption in case of emergency.In addition,, can make at least one times of nuclear power station power-on time prolongation in case of emergency, give and remove the restriction that emergency has prolonged the time, help guaranteeing the safety of nuclear power station by at least two cover storage battery energy-storage systems 2100 are set.

When the extreme natural calamity of super design reference takes place, nuclear reactor is incited somebody to action all out of service probably and is lost station service, and the power transmission line that is connected in external electrical network also collapses owing to disasters such as earthquake, typhoon make electric pole probably, transmission line interrupts, and the emergency power supply of outside input also can't be worked; And, needing air during owing to internal combustion engine as the present finally stationary diesel generating set 1030 of emergency power supply, it can't be isolated fully with the outside.As the simultaneous natural calamity of earthquake stack tsunami in the super design reference disaster, the diesel generation machine room is flooded by seawater and diesel engine generator was lost efficacy, relevant power consumption equipment can not get timely power supply, cooling system can't operate as normal, the waste heat of reactor can not be discharged in the nuclear power station, has caused serious catastrophic effect.The system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided just can solve above-mentioned technical problem.

Storage battery energy-storage system 2100 is compared with diesel engine etc., it has the incomparable advantage of diesel engine, at first, diesel engine work the time needs consumed cabin air, its at all can't with the outside seal isolated, in case produce the disaster of super design references such as tsunami, flood, current will directly impact and flood diesel engine, diesel engine unit can't be worked, and as last one emergency power supply of present nuclear power station, its reliability is low; And the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, can be in the isolated fully space during its interior battery-operated, to produce certain heat when considering accumulator cell charging and discharging, can heat be discharged by air-conditioning equipment or heat-pipe radiator or hot plate radiator.Particularly, the evaporation ends of heat pipe or hot plate can be closely attached on storage battery or suitable position, condensation end be positioned over the outside, isolated space again, heat pipe or hot plate are arranged in the body of wall in isolated space and are arranged to sealing.The heat that storage battery produces by evaporation ends with liquid evaporation in heat pipe or the hot plate, in condensation end liquefaction, the heat amount that produces during with accumulator cell charging and discharging is taken out of, reaches the purpose of heat radiation then, the liquid of condensation end is back to evaporation ends along the capillary in the heat pipe again, forms the heat radiation circulation.So that the working temperature of storage battery maintains in the reasonable range, thereby make the system of the raising nuclear power station emergency power supply reliability that the invention process provides can the operation of normal reliable ground, and help prolonging the useful life of storage battery.In addition, diesel engine unit is as a kind of complicated mechanical equipment, it is made of thousands of above parts, many and difficult eliminating of fault point, in case diesel engine unit produces mechanical breakdown, it can't move reliably, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provides, it is by modular design, can easily the energy-storage system module be increased in the storage battery energy-storage system 2100 or directly replace out of order energy-storage system module, in concrete the application, a plurality of standby energy-storage system modules can be set, these energy-storage system modules are in stand-by state at ordinary times, in case the energy-storage system module damage is arranged in the system, the energy-storage system module of damaging can be opened from system break, and with standby energy-storage system module and to system, the assurance system still can move under worst situation reliably.In addition, the need of work diesel oil of diesel engine unit, diesel oil is as a kind of combustibles, it is deposited and requires height, and it is anti-flaming not only will to prevent fires, and needs to take precautions against some remaining accidents, the danger coefficient height, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, there are not these problems in it, and reliability is good.At last, diesel engine unit starts and to set up the required time of power longer, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, it almost is instantaneous that its storage battery provides power supply, life period is not poor, has great significance for the station-service emergency set that uninterrupted requirement is arranged.

Storage battery energy-storage system 2100 is preferentially selected the minimum unit of lithium battery as energy storage for use, and at present, advanced ripe lithium battery energy storage density has reached 140KWH/T, estimates can produce soon the battery above the superelevation energy storage density of 1200KWH/T; Tentatively satisfy the energy storage demand of big capacity energy-storage system.The long service life of advanced ripe lithium battery can cycle charge-discharge 6000～10000 times, can satisfy nuclear power station and use user demand in the phase in longevity.Compare with plumbic acid electric energy pond, it is little, in light weight to have a volume, advantages such as maintenance period is long, reliability is high, long service life.Lithium battery is compared with fuel cell, and it is good to have a fail safe, advantages of simple structure and simple, need not to be provided with feeders such as hydrogen, oxygen, and fuel cell start-up and to set up the required time of power long, emergency service can't in time be provided, in addition, temperature height during operation of fuel cells, its poor reliability.

The charging system of energy-storage system module normally moves even there are some module failures also can not have influence on whole system by high frequency charging module parallel redundancy scheme.Charging system has functions such as overvoltage protection, overcurrent protection, undercurrent protection; simultaneously in charging process, carry out real time communication with battery management system (BMS); the monitoring charged state; bigger fault appears in either side in charging system or the storage battery energy-storage system 2100, and charging device all will stop charging and give the alarm.

The inversion grid connection system: the inversion grid connection system adopts the high reliability device for power switching, and DSP is digital control in utilization, and output is isolated through the power frequency transformation, guarantees that inverter self Shi Buhui that breaks down influences electrical network.The converter specific requirement has input to connect functions such as anti-protection, input under-voltage protection, input overvoltage protection, output overloading protection, output short circuit protection, overtemperature protection, has guaranteed the fail safe of self working of converter.Have functions such as line voltage abnormal protection, mains frequency abnormal protection, ground protection, island effect protection simultaneously, fail safe that the system that guaranteed is incorporated into the power networks and reliability.

The state of the real-time monitoring battery of online monitoring system and battery accumulation of energy management system, charging system, inversion grid connection system and each switch cubicle, and prevent that by the interlocked control mode charge mode and discharge mode from carrying out simultaneously, guarantee the normal operation of system.

The high pressure of storage battery energy-storage system 2100, low-voltage alternating-current and direct current etc. once part all adopt the switching device with overload and short-circuit protection, and the running status by supporting relay protection monitoring system, and the assurance system can normally move.

Fail-safe analysis: storage battery energy-storage system 2100 is composed in parallel by a plurality of energy-storage system modules, the energy-storage system module is made up of converter and array, array is composed in parallel by a plurality of battery modules, when certain device breaks down, isolating corresponding devices by online monitoring system gets final product, can not cause energy-accumulating power station integral body to move back and be equipped with, the rated power of the system of the raising nuclear power station emergency power supply reliability that only reduces the embodiment of the invention and provided and the size of total capacity.

Therefore, system by the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, strengthened the ability of nuclear power station opposing super design reference disaster greatly, according to the nuclear plant safety Probability Analysis and Calculation, can make nuclear power station reactor core fusing probability reduce by 21.6%, provide important leverage the safety that guarantees nuclear power station.

Particularly, described storage battery energy-storage system 2100 comprises the energy-storage system module of a plurality of parallel connections, and described energy-storage system module all is electrically connected on total bus, to reach required voltage and current.In the present embodiment, the energy-storage system module all is parallel on total bus.In concrete the application, can determine the cruising time that storage battery energy-storage system 2100 is required according to actual conditions, and the energy-storage system module of selection respective numbers, the capacity of storage battery energy-storage system 2100 designs is greater than actual desired volume, even part energy-storage system module breaks down or damages, can it be disconnected from total bus by online monitoring system, remaining energy-storage system module also can be moved and practical requirement reliably, guaranteed the reliability of storage battery energy-storage system 2100, guaranteed the stability of power supply in emergency circumstances, reliability and continuation, thus reach the purpose of design that improves nuclear plant safety.And the energy-storage system module formed modular design, can increase the quantity of energy-storage system module easily on total bus, thereby improve the capacity of system and prolonged the operating time of system.In concrete the application, can reserve corresponding interface and wiring at total bus, can easily the energy-storage system module be increased in the storage battery energy-storage system 2100, capacity expansion and upgrading is very convenient.

Particularly, be provided with the intelligent operation/cutting switch between energy-storage system module and the total bus, described intelligent operation/cutting switch is controlled by online monitoring system, with closed intelligent operation/cutting switch in suitable, makes the energy-storage system module can be connected in total bus power consumption equipment is powered.

Particularly, described storage battery energy-storage system 2100 tops are provided with can be to the solar energy emergency power supply system 1200 of described storage battery energy-storage system 2100 chargings, when the capacity of storage battery energy-storage system 2100 was lower than predetermined value, solar energy emergency power supply system 1200 can be to described storage battery energy-storage system 2100 chargings.

Particularly, described energy-storage system module 2110 comprises converter 2111 and array 2112, array 2112 is connected on the bus rod 2920 by converter 2111, array 2112 comprises a plurality of battery modules 2101, a plurality of battery modules 2101 are parallel on the converter 2111 increasing the capacity of array 2112, described battery modules 2101 by a plurality of cell strings or/and be formed in parallel to increase the voltage/current of battery modules.Array 2112 can form modular design, by this modular design, the battery modules 2101 of suitable quantity can be connected on the dc bus 2930, on the one hand can be according to the not equal actual conditions of load, with neatly with array 2112, storage battery energy-storage system 2100 is designed to be adapted to the requirement of different capacity and capacity, on the other hand can be easily require to design according to the Redundancy Design of nuclear power station, can increase the quantity of battery modules 2101 very easily according to actual conditions, only need be connected in battery modules 2101 on the dc bus and get final product, and storage battery energy-storage system 2100 is carried out capacity expansion and upgrading, use, safeguard, all very convenient.

Particularly, described array is positioned in the storing unit of waterproof, shockproof and scalable temperature, because storage battery energy-storage system 2100 does not need consumed cabin air when work, so storage battery energy-storage system 2100 can be deposited in the airtight relatively space, even produce extreme natural calamity such as tsunami, flood, storage battery energy-storage system 2100 still can guarantee to provide reliable power supply supply to nuclear power station, has solved the existing deficiency of diesel generating set.

Storage battery energy-storage system 2100 is provided with online monitoring system, be used to monitor the state of internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030, storage battery energy-storage system 2100 and power consumption equipment, starting storage battery energy-storage system 2100 when stationary diesel generating set 1030 can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

By converter and online monitoring system are set, the operational mode of energy-storage system module can be flexible and changeable, and different energy-storage system modules can synchronous working, also can discrete work.For example, part energy-storage system module is discharged to load, meanwhile, can make the energy-storage system module of another part be in charged state or be ready, one or more energy-storage system modules are charged to other one or more energy-storage system modules, give and safeguard, use, test and bring very big facility.

The operational mode of storage battery energy-storage system 2100 also includes but not limited to following some except discharging and recharging normally:

(1) average charge: descend or after discharge test finishes at the array electric weight, need carry out deep charge to array, at this moment can the energy-storage system module be set to the average charge pattern, make array store electric weight as much as possible on the one hand, on the other hand, help prolonging the useful life of energy-storage system module.

(2) forced charge: when nuclear power station faces the dead electricity risk, when for example online monitoring system detects all the other emergency system duration of power supply and is lower than the safety value of setting, then array is carried out forced charge, guarantee that array stores electric weight as much as possible fast in the shortest time, though may influence the useful life of array like this, but can farthest ensure the power supply safety of nuclear power station, the power-on time that can prolong storage battery energy-storage system 2100.

(3) forced electric discharge: under the normal operation, forced electric discharge can be realized the discharge test of an energy-storage system module, and with its electric energy transfer to other energy-storage system modules; Of paramount importancely be, can under emergency situation, allow the many as far as possible electric weight of its output, damage until array at nuclear power station.Though shorten the life-span of array like this, the power-on time that but can at utmost prolong storage battery energy-storage system 2100.

Particularly, described array 2112 comprises dc bus 2930 and battery modules 2101, battery modules 2101 is provided with many groups, it can be connected on the converter 2111 by conflux cabinet and dc bus 2930 of a direct current, described battery modules 2101 is parallel on the described dc bus 2930, and described dc bus 2930 is connected on the described converter 2111.In each bar dc bus 2930, design at least one standby battery modules 2101, when even wherein a certain battery modules 2101 produces fault, owing to be provided with extra standby battery modules 2101, also can not influence the normal power supply of array 2112, further improve the nuclear power station safety in operation.Battery modules 2101 forms and has also formed modular setting like this, by this modular layout, even battery modules 2101 breaks down, also can be easily it be gone forward side by side from dc bus 2930 excisions and be about to that all the other are in the battery modules 2101 of normal condition and to dc bus 2930, do not influence the operate as normal of array 2112.

Particularly, described battery modules 2101 by a plurality of cell strings or/and be formed in parallel, the voltage of monolithic cell, electric current, capacity are all low, by a plurality of cells are connected, the voltage of battery modules 2101 can be increased,, the electric current of battery modules 2101 can be increased by with a plurality of cell parallel connections, by with a plurality of battery modules 2101 arrays 2112 that form in parallel, can increase the capacity of array 2112 output currents and array 2112.Because the power consumption equipment of nuclear power station is to capacity and strict requirement is arranged cruising time, so more a plurality of energy-storage system modules 2110 are connected in parallel on the bus rod 2920, is met storage battery energy-storage system 2100 arrays of nuclear power station instructions for use.For example the voltage of cell is 2 volts, the voltage of the battery modules 2101 of design is 600V, 300 cell series connection can be formed voltage so is the battery modules 2101 of 600V, in addition because the output current and the finite capacity of single battery module 2101, so can be with 2101 parallel connections of many Battery packs module, to promote the output current and the capacity of array 2112.Again by a plurality of energy-storage system module 2110 parallel connections, thereby can obtain output current and the very large storage battery energy-storage system 2100 of output capacity, can be applied in the nuclear power station reliably.

Particularly, described battery modules 2101 modularized designs and detachable being fixed on the battery rack.So that the dismounting of battery modules 2101 and maintenance.Preferably, the battery modules 2101 of same array 2112 is arranged on the same battery rack, so that I﹠ M.

Particularly, be provided with second switch control unit 2150 between described battery modules 2101 and the converter 2111, control by online monitoring system; With automatic switching battery modules 2101.Additionally, also can be by manual operation manual switching battery modules 2101.Be provided with first switch control unit 2160 between described energy-storage system module 2110 and the bus rod 2920, control by online monitoring system; With automatic switching energy-storage system module 2110.Additionally, also can be by manual operation manual switching energy-storage system module 2110.In case online monitoring system detects voltage, electric current, capacity or the temperature etc. of a certain battery modules 2101 or energy-storage system module 2110 and establishes and keep parameter when being in beyond the standard value of setting, just in time follow procedure excises battery modules 2101 or energy-storage system module 2110, and another battery modules 2101 or energy-storage system module 2110 that is under the stand-by state is put into operation.

Storage battery energy-storage system 2100 is compared with diesel engine etc., it has the incomparable advantage of diesel engine: at first, need consumed cabin air during diesel engine work, it can't seal isolated with the outside at all, in case produce the disaster of super design references such as tsunami, flood, current will directly impact and flood diesel engine, diesel engine unit can't be worked, as last one emergency power supply of present nuclear power station, its reliability is low; And the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, can be in the isolated fully space during its interior battery-operated, to produce certain heat when considering accumulator cell charging and discharging, can heat be discharged by air-conditioning equipment or heat-pipe radiator or hot plate radiator.Particularly, the evaporation ends of heat pipe or hot plate can be closely attached on storage battery or suitable position, condensation end be positioned over the outside, isolated space again, heat pipe or hot plate are arranged in the body of wall in isolated space and are arranged to sealing.The heat that storage battery produces by evaporation ends with liquid evaporation in heat pipe or the hot plate, in condensation end liquefaction, the heat that produces during with accumulator cell charging and discharging is taken out of, reaches the purpose of heat radiation then, the liquid of condensation end is back to evaporation ends along the capillary in the heat pipe again, forms the heat radiation circulation.So that the working temperature of storage battery maintains in the reasonable range, thereby make the system of the raising nuclear power station emergency power supply reliability that the invention process provides can the operation of normal reliable ground, and help prolonging the useful life of storage battery.In addition, also available air-conditioning, water cooling plant cool off storage battery energy-storage system 2100.In addition, diesel engine unit is as a kind of complicated mechanical equipment, it is made of thousands of above parts, many and difficult eliminating of fault point, in case diesel engine unit produces mechanical breakdown, it can't move reliably, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provides, it is by modular design, can easily energy-storage system module 2110 be increased in the storage battery energy-storage system 2100 or directly replace out of order energy-storage system module 2110, in concrete the application, a plurality of standby energy-storage system modules 2110 can be set, these energy-storage system modules 2110 are in stand-by state at ordinary times, in case energy-storage system module 2110 is arranged in the system to be damaged, the energy-storage system module damaged 2110 can be opened from system break, and with standby energy-storage system module 2110 and to system, the assurance system still can move under worst situation reliably.In addition, the need of work diesel oil of diesel engine unit, diesel oil is as a kind of combustibles, it is deposited and requires height, and it is anti-flaming not only will to prevent fires, and needs to take precautions against some remaining accidents, the danger coefficient height, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, there are not these problems in it, the reliability height.At last, diesel engine unit starts and to set up the required time of power longer, and the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, it almost is instantaneous that its storage battery provides power supply, life period is not poor, has great significance for the station-service emergency set that uninterrupted requirement is arranged.

Storage battery energy-storage system 2100 is preferentially selected the minimum unit of lithium battery as energy storage for use, and at present, domestic advanced person's ripe lithium battery energy storage density has reached 140KWH/T, estimates can produce soon the battery above the superelevation energy storage density of 1200KWH/T; Tentatively satisfy the energy storage demand of big capacity energy-storage system.The long service life of advanced ripe lithium battery can cycle charge-discharge 6000～10000 times, can satisfy nuclear power station and use user demand in the phase in longevity.Compare with plumbic acid electric energy pond, it is little, in light weight to have a volume, advantages such as maintenance period is long, reliability is high, long service life.Lithium battery is compared with fuel cell, it is good to have fail safe, advantages of simple structure and simple, need not to be provided with feeders such as hydrogen, oxygen, and fuel cell start-up and to set up the required time of power long, emergency service can't in time be provided, in addition, temperature height during operation of fuel cells, its poor reliability is not so the system of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided selects lead acid accumulator and fuel cell for use, but select for use structure, principle all to be different from the storage battery of the adequate types such as lithium battery of lead acid accumulator and fuel cell, its reliability height.

By adopting the good batteries of security performance such as above-mentioned lithium battery, this battery in extruding, acupuncture, overcharge, the high-temperature test condition can accomplish not on fire, do not smolder, do not explode.Online monitoring system carries out real-time samplings such as voltage, electric current to each energy-storage system module 2110 and each array 2112, battery modules 2101, cell, has monitoring, control and defencive functions such as excess temperature, overvoltage, overcurrent.

The charging system of energy-storage system module 2110 normally moves even there are some module failures also can not have influence on whole system by high frequency charging module parallel redundancy scheme.Charging system has functions such as overvoltage protection, overcurrent protection, undercurrent protection; simultaneously in charging process, carry out real time communication with battery management system (BMS); the monitoring charged state; bigger fault appears in either side in charging system or the storage battery energy-storage system 2100, and charging device all will stop charging and give the alarm.

The inversion grid connection system: the inversion grid connection system adopts the high reliability device for power switching, and DSP is digital control in utilization, and output is isolated through the power frequency transformation, guarantees that inverter self Shi Buhui that breaks down influences electrical network.Converter 2111 specific requirements have input to connect functions such as anti-protection, input under-voltage protection, input overvoltage protection, output overloading protection, output short circuit protection, overtemperature protection, have guaranteed the fail safe of self working of converter 2111.Have functions such as line voltage abnormal protection, mains frequency abnormal protection, ground protection, island effect protection simultaneously, fail safe that the system that guaranteed is incorporated into the power networks and reliability.

Fail-safe analysis: storage battery energy-storage system 2100 is composed in parallel by a plurality of energy-storage system modules 2110, energy-storage system module 2110 is made up of converter 2111 and array 2112, array 2112 is composed in parallel by a plurality of battery modules 2101, when certain device breaks down, isolating corresponding devices by online monitoring system gets final product, can not cause energy-accumulating power station integral body to move back and be equipped with, the rated power of the system of the raising nuclear power station emergency power supply reliability that only reduces the embodiment of the invention and provided and the size of total capacity.

Therefore, system by the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, can replace in the prior art other emergency power supply or replenishing in the nuclear power station as nuclear power station emergency power supply in the prior art, strengthened the ability of nuclear power station opposing super design reference disaster greatly, according to the nuclear plant safety Probability Analysis and Calculation, benchmark overall risk CDF (/ heap year) drops to 1.67E-05 by 2.13E-05, can make nuclear power station reactor core fusing probability reduce by 21.6%, provide important leverage the safety that guarantees nuclear power station.

Particularly, be connected with low tension switch 2120 on the described storage battery energy-storage system 2100, described low tension switch 2120 is connected in Medium voltage switch or circuit breaker or high-voltage switch gear 2140 by transformer 2130, rises to suitable voltage with the voltage that storage battery energy-storage system 2100 is exported.

When nuclear power station normally moves, storage battery energy-storage system 2100 is under the stand-by state that is full of electricity, can monitor to reach by online monitoring system and start or pass through the direct hand-operated forced startup of operating personnel under the trigger condition automatically, thereby storage battery energy-storage system 2100 is powered as emergency power supply station-service emergency set in nuclear power station, guaranteed the Electrical Safety of nuclear power station.

Particularly, described battery modules 2101 is fixed on the battery rack, and described battery rack is provided with battery modules watch-dog 3008, and described battery rack is arranged in the described storing unit.

Particularly, described storage battery energy-storage system 2100 is fixed in the storing unit of waterproof, shockproof and scalable temperature, to guarantee the reliability of storage battery energy-storage system 2100 work.

Described energy-storage system module 2110 comprises the battery modules watch-dog 3008 that can monitor and control each battery modules 2101 state in real time.Each energy-storage system module 2110 can be connected in parallel, form a big capacity energy-storage system, can be when nuclear power station loses external power source and existing emergency power supply, in time to nuclear power station electricity consumption power devices, discharge and the cooling of spent fuel pond provides power for the engineered safeguards features of nuclear power station, reactor core waste heat, further improve nuclear power station nuclear safety level.

Mounting means and mounting structure when Fig. 4-Fig. 7 has showed battery modules 2101 structures of the present invention and use.

Referring to Fig. 6, described battery modules 2101 can be by a plurality of power brick 3044 series connection or/and parallel connection constitutes, and described power brick 3044 is formed by modularization by a plurality of cells 3028 serial connection backs.Above-mentioned constituted mode, can make things convenient for connection, combination, packing, transportation and installation between each cell 3028 on the one hand, can require the required capacity of flexible configuration according to nuclear power plant's power supply and security protection simultaneously, to satisfy its load request, convenient, fast, realize easily.

Described each cell 3028 can embark on journey or become row to arrange serial connection according to actual needs, can be folded with pad or at least two vertical flexible strips 3030 that are provided with between adjacent each cell 3028, can prevent to swing mutually, clash into and cause damage owing to the space between two batteries causes it, and can compensate each cell 3028 outer surface mismachining tolerance, space between the flexible strip also helps the circulation of air-flow, realizes radiating effect.Simultaneously, adopt the flexible electrical connected mode between the positive and negative pole of each adjacent cell 3028.Referring to Fig. 6 and Fig. 7, in the concrete structure design, the flexible cord 3033 of flexible connecting member 3029 links to each other with the connector metal part 3036 at flexible electrical connector 3029 two ends, offer bolt hole on the ferrule 3032 of the positive and negative pole 3025 of each cell, by a bolt 3034 the connector metal part 3036 at flexible connecting member 3029 two ends is pressed on the ferrule 3032 of positive and negative pole 3025 of each adjacent two cell.After bolt 3034 was fixed on the connecting hole, an available insulating cover 3035 coated.Like this, when entire cell module 2101 was subjected to external shock power, flexible electrical connecting line 3033 can bear and absorb it and impact, to guarantee the normal use of battery modules 2101.

Described cell 3028 is built-in with temperature acquisition element, voltage acquisition element, be used for the signal port 3031 that cell 3028 temperature that will gather and voltage signal are sent to cell 3028, the gathering on the terminal board of male signal processing module 3027 of power brick under the signal of described signal port 3031 is sent to, described signal processing module 3027 links to each other with battery modules watch-dog 3008 by data line.

After the terminal board of described signal processing module 3027 was extracted, all corresponding cells 3028 just disconnected with signal processing module 3027 and being connected, with dismounting and the replacing that makes things convenient for power brick, to reduce the wiring workload.

In the concrete structure of the present invention, use, install and change for convenient, a plurality of power brick can be fixed in a battery rack 3042 or the battery carrier, be provided with a plurality of dividing plates that be arranged in parallel 3024 in described battery rack 3042 or the battery carrier, formation can be placed the battery compartment 3010 of a plurality of power brick, described male signal processing module 3027 is located in the battery compartment 3010, is convenient to the disposable plug of each cell 3028 in the power brick 3044.In battery rack 3042 or battery carrier side, vertically be provided with wiring storehouse 3011, be used to concentrate, fix various cables, at random and mutual the involving and accidental short circuit of anti-principal vertical line.Described battery modules watch-dog 3008 can be located on cabinet or the support body, be convenient to the state parameter that the operator watches each cell 3028 in the battery modules 2101, battery modules watch-dog 3008 carries out data passes to central control system 3040 by the CAN bus communication simultaneously.

At the back of described battery rack 3042, but also offer the shutter of air inlet, the top is provided with scavenger fan 3007, is used to get rid of the heat in the cabinet, improves the heat dispersion of each battery modules 2101, the useful life that helps improving battery.

In the concrete structure design of the present invention,, described power brick 3044 can be placed in the shell, be installed on again in the described battery compartment 3010 for ease of installing; For preventing that power brick 3044 is installed on shell Nei Shiyin and shakes rocking of causing, the present invention is provided with and the flexible elastic component that contacts in the described power brick outside at described outer casing inner wall.

For better fixing each cell 3028, also be provided with on the described shell one cell in the shell can be compressed, fixed end caps.

For raising places battery modules 2101 heat dispersions in the shell, can offer radiating groove in described shell side and bottom surface.

For ease of shell the fixing in battery compartment 3010 that power brick is housed, be respectively arranged with first connector that can be fixed on the battery compartment 3010 in two sides of described shell, each power brick 3044 can be fixedly secured in battery compartment 3010 by this first connector.

For replacing and the maintenance that makes things convenient for power brick, at described outer casing bottom, be provided with at least two rollers or roller bearing, the operator can easily extract power brick in the battery compartment 3010 and put into out.

Referring to Fig. 5, the power brick after the present invention also can arrange described cell 3028 places on the battery basket 3012 of an end opening, is installed on the described battery compartment 3010 again; Similarly, described battery basket 3012 is provided with and the flexible elastic component that contact in described power brick 3044 outsides, prevent power brick 3044 be installed on battery basket 3012 when interior because of rocking that vibrations cause.

Described battery basket 3012 is provided with second connector, is used to connect will be arranged in the bracket 3019 of each cell 3028 tension in the battery basket 3012.

Similarly, for ease of fixing at battery compartment 3010 of battery basket 3012 that power brick is housed, be provided with fixedly ear 3016 above described battery basket 3012 back sides, fixedly ear 3016 can be fixed on the chucking lug 3015 of battery compartment; Be provided with fixedly ear 3018 in the positive centre position of described battery basket 3012, fixedly ear 3018 can be fixed on the interior chucking lug 3017 of battery compartment; At the two ends, bottom surface of battery basket 3,012 four footing 3020 are arranged, footing 3020 can be fixed on the bearing beam 3021 of battery compartment 3010.In order to make the power brick play up and down in earthquake not in the battery basket 3012, be provided with the press strip 3013 that can be fixed on the angle steel 3014 in the battery compartment 3010, power brick is compressed.

Be replacing and the maintenance that makes things convenient for power brick 3044, in described battery basket 3012 bottoms, be provided with at least two rollers 3022 or roller bearing, the operator can easily extract the power brick in the battery compartment 3,010 3044 and put into out.

Described battery rack cabinet comprises four channel-section steels that are arranged at the inner vertical direction of four vertical edges, the steel frame construction of battery compartment both sides, the side welding reinforced steel beam and girder of battery rack cabinet; Arranged in a crossed manner and the centering setting in reinforced steel beam and girder diagonal angle, be connected on the adjacent channel-section steel, strengthened the structural stability of battery rack body greatly, even under the abominable situations such as earthquake of high earthquake intensity, the battery rack cabinet still can guarantee reliability of structure, the battery rack cabinet can not be out of shape, thereby guarantees the reliability of the power brick of battery rack cabinet inside.

Described dividing plate 3024 is fixedly connected on the described channel-section steel by locking member, and its easy accessibility and reliable in structure are even still can make dividing plate fix reliably under limiting cases such as earthquake.

Preferably, described locking member is a bolt, and described locking member is arranged in described fixed via and through hole is installed, and bolt adopts the bolt more than 6.8 grades, to guarantee reliability of structure.

Particularly, the bottom of described battery rack cabinet is provided with installing component, the battery rack cabinet is fixed on the cement platform 3026, be embedded with built-in fitting in the cement platform 3026, described built-in fitting is provided with screw hole, described installing component lock onto by securing member in the screw hole of built-in fitting, by such design, the battery rack cabinet is fixed on the built-in fitting reliably.Built-in fitting is embedded in the cement platform 3026, and it is very firm.

Preferably, described securing member is a bolt, is arranged with elastomeric pad on the described bolt, to improve reliability of structure.

Battery rack 3042 tops are provided with hanger 3005, make things convenient for erection stage to lift.Battery rack 3042 tops are provided with cable aperture 3006, and the turnover cable is fixed, and cable aperture 3006 usefulness fire proofing materials carry out shutoff.The battery rack front and back has cabinet door 3043, after the cabinet door 3043 of front and back is all opened, can carry out the operation of both direction to the equipment of battery rack 3042, and is very convenient.Cabinet door 3043 is provided with two lock handles 3009 up and down.

Shown in Fig. 1,9,10,12,13,16,17, but described storing unit comprises the ccontaining cavity of an antidetonation, can form by steel bar concrete casting, but also adopt metal material or other antidetonations, anti-pressure, waterproof material combination to make, its cavity body structure intensity should satisfy its outside under the situation of water logging or the impact of other objects, still can be kept perfectly, its cavity inner surface can be provided with fire proofing, is used to the infringement that prevents that fire from producing ccontaining cavity.Referring to Fig. 1,9,10,12,13,16,17, described ccontaining cavity has the cavity that can deposit battery rack or battery carrier 4101, converter 2111 and supervision and control appliance 4301, wherein deposit the cavity sealing all around of battery rack or battery carrier 4101, can resist water logging or other objects and impact.The deposit position of described converter 2111 and supervision and control appliance 4301 is higher than the deposit position of battery rack or battery carrier 4101.Illustrated embodiment of the present invention is provided with two-layer at least cavity, one can be placed a plurality of battery racks or battery carrier 4101, it two can place converter 2111, supervision and control appliance 4301, also can place controller switching equipment 4402 etc., also can be provided with between maintenance, be used to place each instrument and standby battery modules 2101.Converter 2111 and supervision and control appliance leave in and are higher than in the cavity that battery rack or battery carrier 4101 deposit.For guaranteeing the anti-seismic performance of its equipment, battery rack or battery carrier 4101 and converter 2111 and supervision and control appliance 4301 are provided with a plurality of flexible electrical connecting interfaces that can anti-SSE earthquake.

In the specific embodiment of the invention structure, ccontaining cavity layering is provided with two-layer, and set up three different cavitys separately, wherein whole ground floor cavity 4001 is an independent cavity (referring to Fig. 9,10,12,13,16,17), be used to put a plurality of battery racks or battery carrier 4101, the second layer divides two

cavitys

4003,4004, and one of them cavity 4004 is used to place the converter 2111 that is electrically connected with battery rack or battery carrier 4101.Converter 2111 possesses following function: the function of (1) ac-dc conversion; (2) function of power capacity increase and decrease; (3) energy-storage system self distribution; When (4) normally moving, accept the external power grid high-tension electricity, and be converted into the alternating current of current conversion station required voltage grade; (5) when external power grid needs electricity, the alternating current that converter 2111 is exported is transformed into high-tension electricity output.Another cavity 4003 of the second layer is a control room, is used for placing monitoring and control appliance 4301, can monitor the integrality of whole energy-storage system, can operate and allocate the input and output of accumulation of energy electric weight.

Described battery modules 2101 can be positioned on battery rack or the battery carrier 4101, and described battery rack or battery carrier 4101 are fixedlyed connected with ground floor cavity 4001 cavity floor.

Please again referring to Fig. 9, Figure 12, the cavity that is used to place battery rack or battery carrier 4101 offers the passway, is used for the transportation of equipment on the one hand, is used for operating personnel's discrepancy on the other hand.This passway can be arranged at the sidewall of ground floor cavity 4001, water, mud-rock flow etc. enter when avoiding disaster to produce, can be by water door 4104 sealings, make it to form one can around sealed hollow, effectively prevented the damage that disaster causes battery rack or battery carrier 4101 and other electric components and lost its normal use as emergency power supply.

Perhaps, as Figure 16 and shown in Figure 17, this passway can be arranged at ground floor cavity 4001 tops, and this passway height should guarantee can not enter in it under situations such as flood, tsunami, mud-rock flow.Top in described passway also is provided with equipment transportation storehouse 4009, and its top is provided with hoisting mechanism 4901, each battery rack or battery carrier 4101 can be transported in the ground floor cavity 4001.Certainly, also battery rack or battery carrier 4101 can be hung out, also be provided with the cat ladder or the stair 4902 of handled easily and maintainer turnover in the ground floor cavity 4001.

Referring to Fig. 9,12,16, ccontaining cavity should have providing fortification against earthquakes of sympathetic earthquakes area, will strengthen the steadiness of ground integral body simultaneously, makes the installation material on its its ground when earthquake that mutual displacement collision neither take place, and also can whole not fallen down by basic ground.

Further, deposit on ground floor cavity 4001 bottom surfaces of battery rack or battery carrier 4101, also be provided with pedestal 4102, this pedestal 4102 should be higher than ground floor cavity 4001 bottom surfaces, to prevent the infringement to battery rack or battery carrier 4101 of bottom surface water and impurity.Described battery rack or battery carrier 4101 are fixed on the described pedestal 4102, on the joint face of pedestal 4102 and battery rack or battery carrier 4101, but can add the cushion 4150 of antidetonation, so that place firm fixing of battery rack on the pedestal 4102 or battery carrier 4101, and between the two mutual bump can avoid earthquake to take place the time, thereby guarantee the safe, reliable of whole energy-storage system.

In the concrete structure design, pedestal 4102 can adopt high strength, material corrosion-resistant, that anti-seismic performance is stronger to constitute, and can combine preferably with ground floor cavity 4001 bottom surfaces, can assurance and battery rack or battery carrier 4101 integrated member firm and reliable connection.Pedestal 4102 can be constituted by a plurality of boss that are above the ground level, each boss can be the frustum structure, it can be the frustum of a cone, polygon frustum or trapezoidal frustum, make it to form a drainage grade, the boss upper surface is a non slip surface, boss is fixed in battery rack or battery carrier 4101 bottoms, but its joint face folder is established the cushion 4150 of antidetonation.

Perhaps, described pedestal 4102 can be the base station with a plurality of hollow outs zone and constitutes (not shown), and battery rack or battery carrier 4101 bottoms are fixed on the base station entity part, and current overflowed when its hollow out zone was convenient to disasters such as flood, tsunami, mud-rock flow and is taken place.Similarly, the base station upper surface should be non slip surface.

The setting of said base 4102, when being convenient to have in the ground floor cavity 4001 water to infiltrate, can make that current are very fast to flow out from pedestal 4102, can guarantee to be located at energy storage battery cabinet on the pedestal 4102 or battery carrier 4101, improve energy storage battery cabinet or battery carrier 4101 reliabilities not by water erosion.

Further, can offer a plash 4109, too much spread to ground, be provided with in its hole and ponding can be drawn into the external drainage equipment of containing cavity 4108 for preventing ponding on ground floor cavity 4001 ground.

Be the ground floor cavity 4001 that guarantees battery rack or battery carrier 4101 safety when running into situation such as fire, the top that battery rack or battery carrier 4101 are installed also is provided with a plurality of nozzles 4105 that can spray water when fire, each nozzle 4105 can be arranged at one and be fixed on the water-supply-pipe 4158 of ground floor cavity 4001 end faces, this water-supply-pipe 4158 is provided with two branches, link to each other by a three-way pipe, wherein a pipeline links to each other with the water tank 4007 of being located at the containing cavity external body, its pipeline is provided with suction pump 4601 and control valve 4008, another pipeline then extends in the plash 4109, also be provided with control valve 4107 on its pipeline, these hydraulic pipeline 4158 water inlets place in the plash 4109.By hydraulic pipeline 4158, can when fire, will realize its fire-extinguishing function concurrently in the introducing of the water in the water tank 4007 nozzle 4105.Simultaneously, also under the situation that externally water in the water tank 4007 is not enough, introduce in the nozzle 4105 by the water of control valve 4107 in will plash 4109 and to put out a fire.Therefore, plash 4109 also can be used for collecting the water that nozzle 4105 sprays out, as standby fire water supply.

Further, in plash 4109, also be provided with filter (not shown), shower water and ponding can enter suction pump 4108 suction inlets through a thin screen pack again by entering plash 4109 behind the coarse filtration net filtration, to guarantee the pumping equipment reliability.

Because ground floor cavity 4001 is placed battery rack or battery carrier 4101, should force its ventilation, heat radiation, guarantee its useful life, ventilation is mainly used in gets rid of indoor gas, and the usefulness that regulates the room temperature of double as, through being everlasting between 10～30 ℃, can guarantee that battery rack or battery carrier 4101 normally use, and improve its useful life with the temperature in the maintenance ground floor cavity 4001.The top of described ground floor cavity 4001 is provided with at least one waterproof ventilating opening 4005, it links to each other with ventilation equipment 4501 that are arranged at the containing cavity external body, the vented exhaust pipe should cause the external position that is higher than its roof of containing cavity, air inlet should be installed air and filter equipment, is under the normal operating mode to guarantee battery rack or battery carrier 4101.

Because what two cavitys of the described

second layer

4003,4004 were placed is electric equipment, for guaranteeing the normal operation of these electric equipments, in the embodiment of the invention structure, outside described ccontaining cavity, also can be provided with the air-conditioning equipment that can dispel the heat to two cavitys of the

second layer

4003,4004.

See also Fig. 9,12, water door 4104 of the present invention can be set to following two kinds of different execution modes:

Embodiment one:

Referring to Fig. 9 to Figure 15 D, in first kind of mode of described water door 4104,

Described water door 4104 can be hinged in the place, passway, is rotationally connected by hinge and ccontaining cavity.Specifically can be provided with a hinge 4111 at the place, passway, can be sheathed on sleeve 4115 on this hinge 4111 in water door 4104 side correspondence position settings, cooperate by sleeve 4115 and hinge 4111, water door 4104 is rotated around hinge 4111, realize the opening and closing of its passway.

Perhaps, also can be provided with a sleeve 4115 at place, described passway, can be inserted in hinge 4111 in the sleeve 4115 in water door 4104 side correspondence position settings, cooperation by sleeve 4115 and hinge 4111, water door 4104 is rotated around hinge 4111, can realize the opening and closing of its passway equally.

For guaranteeing that water door 4104 seals reliably, at water door 4104 inner planes, the periphery relative with the passway, sealing strip 4103 can be sticked, the sealing strip 4103 that promptly is sticked around water door 4104 inner planes, correspondingly, in described passway periphery, be processed with the faying faces that can closely contact with water door periphery sealing strip 4103, can be fully that the passway is airtight with assurance water door 4104.

Further, also being provided with on the water door 4104 can be with sealing back, passway and the fixing latch-up structure of ccontaining cavity, to guarantee that water door 4104 seals the passway reliably.

Described latch-up structure is located at described water door 4,104 one sides, and it is made of the barb cooperation of being located at the hasp on the described water door 4104 and be located on the outer body of wall.(not shown)

Perhaps, described latch-up structure is located at described water door 4,104 one sides, and it is by being located at the extension block 4112 on the described water door 4104 and being located at that connector 4114 on the outer body of wall screws by bolt or latch constitutes (referring to Figure 11 C, 11D).

Embodiment two:

Referring to Figure 12,13,14A, 14B, 14C, in the second way, place, described passway is provided with one for the inside door 4160 of coming in and going out and opening with normal at ordinary times, the water door 4104 other outer walls of being located at ccontaining cavity, and the position beyond setting up in the passway.

Particularly, the structural design of inside door 4160 can adopt following dual mode:

The place is provided with a sleeve pipe in described passway, can be inserted in rotating shaft in the sleeve pipe in inside door 4160 side correspondence position settings, cooperate, inside door 4160 is rotated around the axis by sleeve pipe and rotating shaft, realize the opening and closing of its passway, handled easily personnel's discrepancy (not shown).

Perhaps, the place is provided with a rotating shaft in described passway, can be sheathed on sleeve pipe in this rotating shaft in inside door 4160 side correspondence position settings, is cooperated by sleeve pipe and rotating shaft, and inside door 4160 is rotated around the axis, and can realize the opening and closing (not shown) of its passway equally.

Referring to Figure 14 A, 14B, 14C, the present invention is in described passway upper and lower end, also have a

guide rail

4119 and 4120 respectively, water door 4104 upper and lower ends are respectively arranged with roller 4110, place in above-mentioned guide rail 4119 and the groove 4120, be used to guide laterally moving of water door 4104, groove 4120 two ends are equipped with the stop block 4121 that can make water door 4104 running fixes.Water door 4104 generally places the position beyond the passway, is realized the keying of ground floor cavity 4001 cavitys at ordinary times by inside door 4160.When disaster takes place when, water door 4104 laterally can be moved, when moving to default position, can it is locked fixing, thus with the passway complete closed, guarantee that seawater, flood or mud-rock flow can not enter in ground floor cavity 4001 cavitys.

Similarly, periphery at water door 4104 inner plane relative with the passway, sealing strip 4103 can be sticked, sealing strip 4103 promptly is sticked around water door 4104 inner planes, correspondingly, in described passway periphery, be processed with the faying faces that can closely contact with the peripheral sealing strips 4103 of water door 4104, can be fully that the passway is airtight with assurance water door 4104.

Be further to guarantee the safety of battery rack or battery carrier 4101, also be provided with on the described water door 4104 can with the latch-up structure of ccontaining chamber outer wall corresponding matching.

In the concrete structure, described water door 4104 both sides can be outward extended with two lugs 4117 respectively, on the described outer wall corresponding be provided with can be superimposed with two lugs on the water door 4104 contiguous block 4118, screw by bolt and to form described latch-up structure.

Need to prove, the sealing of 4104 pairs of passwaies of water door, and with the connected mode of ccontaining chamber outer wall, be not the several of foregoing description, also can adopt multiple different structure, do not repeat them here.

Figure 18 shows the structure of converter, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

As one embodiment of the invention, the multichannel convertor unit is a multichannel bi-directional inverter 5100, the interchange side joint bus rod of described each road bi-directional inverter 5100, the direct current side joint dc bus of described each road bi-directional inverter 5100.

As one embodiment of the invention, sampling unit is:

The AC side sampling unit 5200 that is connected with the AC side of each road bi-directional inverter 5100 respectively;

The DC side sampling unit 5300 that is connected with the DC side of each road bi-directional inverter 5100 respectively.

Nuclear power station emergency power supply converter also comprises:

A plurality of built-in controllers 5400 that are connected with multichannel bi-directional inverter 5100 respectively, the IGBT switch conduction and the turn-off time that are used for controlling respectively multichannel bi-directional inverter 5100 are synchronous fully, make 5100 current-sharings of multichannel bi-directional inverter, voltage stabilizing synchronous working; And

The central controller 5500 that is connected with a plurality of built-in controllers 5400 with AC side sampling unit 5200, DC side sampling unit 5300 respectively, be used for the signal of telecommunication, the work of a plurality of built-in controllers 5400 is controlled according to AC

side sampling unit

5200 and 5300 collections of DC side sampling unit.

Figure 19 shows the structure of the built-in controller of nuclear power station emergency power supply converter provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

As one embodiment of the invention, built-in controller 5400 comprises:

The AC side sampling module 54001 that is connected with the AC side of one tunnel bi-directional inverter 5100.

As one embodiment of the invention, built-in controller 5400 also comprises:

The DC side sampling module 54002 that is connected with the DC side of described one tunnel bi-directional inverter 5100.

As one embodiment of the invention, built-in controller 5400 also comprises:

The control module 54003 that is connected with AC side sampling module 54001, DC side sampling module 54002, central controller 5500 and one tunnel bi-directional inverter 5100 respectively, be used for according to AC side sampling module 54001 and the signal of telecommunication of DC side sampling module 54002 collections and the control signal of central controller 5500, make the value of electrical signals of one tunnel bi-directional inverter, 5100 outputs identical with default value of electrical signals.

As one embodiment of the invention, also be connected with an ac filter unit 5600 between the AC side of each road bi-directional inverter 5100 and the bus rod 2920.

As one embodiment of the invention, also be connected with a direct current filter unit 5700 between the DC side of each road bi-directional inverter 5100 and the dc bus 2930.

As one embodiment of the invention, central controller 5500 is connected with a plurality of built-in controllers 5400 respectively by the CAN-BUS bus of two-wire serial communication respectively.

As one embodiment of the invention, central controller 5500 adopts DSP.

As one embodiment of the invention, central controller 5500 adopts advanced controller able to programme.

As one embodiment of the invention, the signal of telecommunication that AC side sampling unit 5200 is gathered comprises alternating voltage, alternating current or phase angle.

As one embodiment of the invention, the signal of telecommunication that DC side sampling unit 5300 is gathered comprises direct voltage or direct current.

Figure 20 shows the structure of nuclear power station emergency power supply converter provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

As one embodiment of the invention, the multichannel convertor unit is a multichannel rectifier 5101, the interchange side joint bus rod of described each road rectifier 5101, the direct current side joint dc bus 2930 of described each road rectifier 5101.

As one embodiment of the invention, sampling unit is:

The DC side sampling unit 5301 that is connected with the DC side of each road rectifier 5101 respectively.

Nuclear power station emergency power supply converter also comprises:

A plurality of built-in controllers 5401 that are connected with multichannel rectifier 5101 respectively, the IGBT switch conduction and the turn-off time that are used for controlling respectively multichannel rectifier 5101 are synchronous fully, make described multichannel rectifier 5101 current-sharings, voltage stabilizing synchronous working; And

With described DC side sampling unit 5301 and the central controller 501 that a plurality of built-in controllers 5401 are connected, be used for the signal of telecommunication respectively, the work of described a plurality of built-in controllers 5401 is controlled according to described DC side sampling unit 5301 collections.

Figure 21 shows the structure of the built-in controller of nuclear power station emergency power supply converter provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

As one embodiment of the invention, described built-in controller 5401 comprises:

The DC side sampling module 54012 that is connected with the DC side of described No. one rectifier 5101.

As one embodiment of the invention, described built-in controller 5401 also comprises:

The control module 54013 that is connected with described DC side sampling module 54012, central controller 5501 and No. one rectifier 5101 respectively, be used for according to the signal of telecommunication of described DC side sampling module 54012 collections and the control signal of central controller 5501, make the value of electrical signals of described No. one rectifier 5101 outputs identical with default value of electrical signals.

As one embodiment of the invention, also be connected with an ac filter unit 5601 between the AC side of described each road rectifier 5101 and the bus rod.

As one embodiment of the invention, also be connected with a direct current filter unit 5701 between the DC side of described each road rectifier 5101 and the dc bus.

As one embodiment of the invention, described central controller 5501 is connected with described a plurality of built-in controllers 5401 respectively by the CAN-BUS bus of two-wire serial communication respectively.

As one embodiment of the invention, described central controller 5501 adopts DSP.

As one embodiment of the invention, described central controller 5501 adopts advanced controller able to programme.

As one embodiment of the invention, the signal of telecommunication that described DC side sampling unit 5301 is gathered comprises direct voltage or direct current.

Figure 22 shows the structure of nuclear power station emergency power supply converter provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

The multichannel convertor unit is a multiple inverter 5102, the interchange side joint bus rod of described each road inverter 5102, the direct current side joint dc bus of described each road inverter 5102.

As one embodiment of the invention, described sampling unit is:

The AC side sampling unit 5202 that is connected with the AC side of each road inverter 5102 respectively.

Nuclear power station emergency power supply converter also comprises:

A plurality of built-in controllers 5402 that are connected with described multiple inverter 5102 respectively, the IGBT switch conduction and the turn-off time that are used for controlling respectively described multiple inverter 5102 are synchronous fully, make described multiple inverter 5102 current-sharings, voltage stabilizing synchronous working; And

With described AC side sampling unit 5202 and the central controller 5502 that a plurality of built-in controllers 5402 are connected, be used for the signal of telecommunication respectively, the work of described a plurality of built-in controllers 5402 is controlled according to described AC side sampling unit 5202 collections.

Figure 23 shows the structure of the built-in controller of nuclear power station emergency power supply converter provided by the invention, for convenience of explanation, only shows the part relevant with the embodiment of the invention.

As one embodiment of the invention, described built-in controller 5402 comprises:

The AC side sampling module 54021 that is connected with the AC side of described No. one inverter 5102.

As one embodiment of the invention, described built-in controller 5402 also comprises:

The control module 54023 that is connected with described AC side sampling module 54021, central controller 5502 and No. one inverter 5102 respectively, be used for according to the signal of telecommunication of described AC side sampling module 54021 collections and the control signal of central controller 5502, make the value of electrical signals of described No. one inverter 5102 outputs identical with default value of electrical signals.

As one embodiment of the invention, also be connected with an ac filter unit 5602 between the AC side of described each road inverter 5102 and the bus rod.

As one embodiment of the invention, also be connected with a direct current filter unit 5702 between the DC side of described each road inverter 5102 and the dc bus.

As one embodiment of the invention, described central controller 5502 is connected with described a plurality of built-in controllers 5402 respectively by the CAN-BUS bus of two-wire serial communication respectively.

As one embodiment of the invention, described central controller 5502 adopts DSP.

As one embodiment of the invention, described central controller 5502 adopts advanced controller able to programme.

As one embodiment of the invention, the signal of telecommunication that described AC side sampling unit 5202 is gathered comprises alternating voltage, alternating current or phase angle.

Figure 34 shows the flow chart of the synchronous working control method of the nuclear power station emergency power supply converter that the embodiment of the invention provides.

The synchronous working control method flow process of nuclear power station emergency power supply converter is as follows:

Step S101, a plurality of built-in controllers gather the value of electrical signals of multichannel convertor unit output respectively;

Step S102, central controller calculate signal of telecommunication mean value according to described value of electrical signals;

Step S103, sampling unit gather the real-time and column electrical signal mean value of the signal of telecommunication numerical value of multichannel convertor unit output;

Step S104, central controller calculates signal of telecommunication mean difference according to described signal of telecommunication mean value and real-time and column electrical signal mean value, and described signal of telecommunication mean difference is decomposed the value of being compensated;

Step S105, a plurality of built-in controller values of being compensated, and the signal of telecommunication of control and the corresponding convertor unit output of described built-in controller make the signal of telecommunication of described multichannel convertor unit output synchronous.

Figure 24 shows the modular structure of the nuclear power station emergency power supply converter that the embodiment of the invention provides.

The mode of operation of nuclear power station emergency power supply converter is divided into two kinds: a kind of is that alternating current is become direct current; Another kind is that direct current is become alternating current.

The selection of mode of operation is controlled by the mode of operation selector, and the mode of operation selector can be by automatic detection, acceptance from the remote motion signal of the online monitoring system of the energy-storage system of nuclear power station emergency power supply and the mode of operation that manual ringing decides bi-directional inverter.

The operational mode of nuclear power station emergency power supply converter has following several:

A) average charge: descend or after discharge test finishes, need can be set to all fill at accumulator electric-quantity, guarantee battery stores electric weight as much as possible to the battery deep charge

B) forced charge: when nuclear power station may face the dead electricity risk, can carry out forced charge, guarantee that array stores more electric weight, with the demand after the dead electricity of reply power station to storage battery;

C) forced electric discharge: when normally moving, forced electric discharge can be realized the discharge test of a module, and its electric energy transfer is gone into other modules; Of paramount importance is can allow it export electric weight as much as possible under emergency situation in the power station, till battery modules is damaged.

Storage battery energy-storage system 2100 can satisfy the ability of anti-anti-extreme natural calamity in system design, this system can be at nuclear power station when losing external power source and emergency power supply, the power demand that the reactor core waste heat is discharged and cool off in the spent fuel pond is provided, further improves the nuclear safety level of nuclear power station.

Storage battery energy-storage system 2100 can replace or the final emergency power supply of additional nuclear power station, has avoided the common mode failure of the existing emergency power supply of nuclear power station.Storage battery energy-storage system 2100 is non-active equipment, has the higher device reliability.Preresearch estimates according to nuclear plant safety probability analysis (PSA): after nuclear power station increases storage battery energy-storage system 2100, strengthened the reliability of nuclear power station emergency power supply, can reduce reactor core fusing probability 21.6%, improved the whole nuclear safety level of nuclear power station.

The system of raising nuclear power station emergency power supply reliability provided by the invention, it utilizes the storage battery energy-storage system 2100 of advanced ripe lithium battery research and development high power capacity.This system can be at nuclear power station when losing external power source, spare emergent power source as diesel engine system, avoid the common mode failure of emergency power supply, discharge and the cooling of spent fuel pond provides power for the engineered safeguards features of nuclear power station, reactor core waste heat, further improve the nuclear safety level of nuclear power station.

Storage battery energy-storage system 2100 satisfies on the one hand the ability of anti-anti-extreme natural calamity in system design, solved in the prior art diesel engine unit existing technical problem of powering.On the other hand, storage battery energy-storage system 2100 is non-active equipment, has the higher device reliability.Therefore, after storage battery energy-storage system 2100 is applied to nuclear power station, can significantly reduce the probability of core meltdown, improve the whole nuclear safety level of nuclear power station.

At present, China with the storage battery of maturation in using electric motor car, but its power, capacity are all less.We need research and develop nuclear level high power capacity, high-power battery belongs to a scientific and technical innovation project; Storage battery energy-storage system 2100 is applied to nuclear power station as electrical source of power, still belongs to first at present at world wide.Cheng Shu cell capacity is less usually in the market, can not satisfy the instructions for use of used in nuclear power station storage battery energy-storage system 2100 far away, the system of raising nuclear power station emergency power supply reliability provided by the invention, it is by reasonably arranging, make a plurality of cells form the storage battery energy-storage system 2100 that can be applicable in the nuclear power station, and this system has the ability of autodiagnosis self-regeneration, and reliability, fail safe are splendid.

Storage battery energy-storage system 2100 must can provide by many Battery pack combinations and satisfy power and the capacity requirement that nuclear power station uses, but the reliability of each piece battery will influence the operation of system, therefore, the system of raising nuclear power station emergency power supply reliability provided by the invention, its online monitoring system has been realized the monitoring of each piece battery and has in time been intervened, guaranteed the availability of entire cell system.

Because nuclear power station is bigger to emergent bearing power, the system of raising nuclear power station emergency power supply reliability provided by the invention, its converter that provides is applicable to high-power, high efficiency power conversion requirement.

The system of raising nuclear power station emergency power supply reliability provided by the invention, structure that its device by storage device and storage battery energy-storage system are 2100 and energy-storage system module fixing, the equipment that makes storage battery energy-storage system 2100 need satisfy nuclear power station is identified requirement, can be applied in the nuclear power station reliably.

On Interface design: storage battery energy-storage system 2100 replaces the emergency power system of nuclear power stations or as the additional use of emergency power supply, needs to consider install corresponding interface additional on the existing system of nuclear power station, and the equipment that satisfies nuclear power station is identified requirement.

Storage battery energy-storage system 2100 does not still have in the use precedent of nuclear power station as emergency power supply, and its technical scheme belongs to initiative.The system of raising nuclear power station emergency power supply reliability provided by the invention, on battery capacity, obtain to have broken through, improving the cell reasonable connection way has improved whole capacity on the one hand, develops perfect battery management system on the other hand, guarantees the global reliability of battery modules.The core part of whole system comprises battery accumulation of energy part and PCS part, can satisfy the equipment of nuclear power station and identify requirement, makes it still can be in upstate at accident conditions when suffering serious natural calamity.

The system of raising nuclear power station emergency power supply reliability provided by the invention, be applicable to the storage battery energy-storage system 2100 of nuclear power station, guarantee is after nuclear power station loses existing emergency power supply, can realize fast, provide emergency power supply to reactor safety facility and spent fuel system in time, keep nuclear power station and be in a safe condition.

Can replacing or the emergency power supply of additional nuclear power station of storage battery energy-storage system 2100, avoided the common mode failure of the existing emergency power supply of nuclear power station, strengthen the reliability of nuclear power station emergency power supply, reduced reactor core fusing probability 21.6%, improved the lsafety level of nuclear power station.

Storage battery energy-storage system 2100 belongs to an invention as the emergency power supply of nuclear power station, in case application success, worldwide has exemplary role, for the design of nuclear power station provides new theory, broken through the range of application of traditional storage battery energy-storage system 2100 storage battery energy-storage systems 2100.Therefore, storage battery energy-storage system 2100 storage battery energy-storage systems 2100 will have the wide general scope of application and good promotion prospect.

The method of the raising nuclear power station emergency power supply reliability that the embodiment of the invention provided, not only comprise stationary storage battery energy-storage system 1700, also contain and be stationary storage battery energy-storage system 1700 supporting solar energy emergency power supply system 1200 and movable storage cell energy-storage system 1600, these two complementary design can further reduce the security risk of nuclear power station.The particularly design of the emergency storage battery energy-storage system of Yi Donging, when nuclear power station meets with the extreme natural calamity of super design reference, can increase the reliability of emergency power system, particularly outside factory, exchange under the situation of power supply forfeiture, provide emergency power supply to the equipment that ensures unit safety.

The present invention also provides a kind of method that improves nuclear power station emergency power supply reliability, adopts internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030 and wind energy and/or the solar energy emergency power supply system emergency service line powering to nuclear power station.The solar energy emergency power supply system is as a kind of clean energy resource, its energy-conserving and environment-protective, and application cost is low.Solar panels 1201 in the solar energy emergency power supply system 1200 can be connected with accumulator, are that power storage is in accumulator, in emergency the station-service emergency set of nuclear power station is powered at ordinary times with solar energy converting.

Particularly, described solar energy emergency power supply system 1200 is arranged in the top of the storing unit of described storage battery energy-storage system 2100.Can avoid the destruction of water logging disasters such as flood, tsunami, continue the power supply that provides stable.In concrete the application, can build one or more wind turbine generator, in order to the emergency service when nuclear power station meets with the extreme natural calamity of super design reference.Wind turbine generator can be built emergency system next door in nuclear power station, because close together so its high-tension line is shorter, can be born bigger natural calamity.

The present invention also provides a kind of method that improves nuclear power station emergency power supply reliability, adopts internal electric network supply line 1010, external electrical network supply line 1020, stationary diesel generating set 1030 and the mobile emergency diesel generating set 1040 emergency service line powering to nuclear power station.When all emergency power supplies all lost efficacy, mobile emergency diesel generating set 1040 can rush to the nuclear power station scene at once, and the nuclear power station emergency set is carried out emergency service, to guarantee the safety of nuclear power generating sets.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces or improvement etc., all should be included within protection scope of the present invention.

Claims

1. improve the method for nuclear power station emergency power supply reliability, it is characterized in that, adopt internal electric network supply line, external electrical network supply line, stationary diesel generating set and storage battery energy-storage system emergency service line powering to nuclear power station.

2. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1 is characterized in that, described storage battery energy-storage system is stationary storage battery energy-storage system and/or movable storage cell energy-storage system.

3. the method for raising nuclear power station emergency power supply reliability as claimed in claim 2 is characterized in that, described movable storage cell energy-storage system comprises vehicular storage battery energy-storage system or boat-carrying formula storage battery energy-storage system or machine-carried type storage battery energy-storage system.

4. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1, it is characterized in that, online monitoring system is set, be used to monitor the state of internal electric network supply line, external electrical network supply line, stationary diesel generating set, storage battery energy-storage system and power consumption equipment, starting the storage battery energy-storage system when the stationary diesel generating set can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

5. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1, it is characterized in that, portable charging device is set, on described portable charging device, the charging output interface is set, on described storage battery energy-storage system charging input interface is set, described charging input interface and described charging output interface are complementary.

6. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1, it is characterized in that, described stationary diesel generating set comprises emergency diesel dynamo group and additional emergency diesel dynamo group, when described emergency diesel dynamo group lost efficacy, described additional emergency diesel dynamo group can replace the emergency diesel dynamo group of inefficacy.

7. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1 is characterized in that, described storage battery energy-storage system is connected in the instrument control power-supply system of nuclear power station, to replace the original emergent lead-acid batteries of described instrument control power-supply system.

8. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1 is characterized in that described storage battery energy-storage system comprises the energy-storage system module of a plurality of parallel connections, and the energy-storage system module is connected on the emergency bus by bus rod.

9. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8 is characterized in that described energy-storage system module has anti-seismic structure.

10. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8, it is characterized in that, described energy-storage system module comprises converter and array, array is connected on the bus rod by converter, described array comprises a plurality of battery modules, described a plurality of battery modules is parallel on the described converter increasing the capacity of array, described battery modules by a plurality of cell strings or/and be formed in parallel to increase the voltage/current of battery modules.

11. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8, it is characterized in that, between described energy-storage system module and bus rod, first switch control unit is set, be connected between described first switch control unit and the online monitoring system, control described first switch control unit by described online monitoring system;

The second switch control unit is set between described battery modules and converter, is connected between second switch control unit and the described online monitoring system, control described second switch control unit by online monitoring system.

12. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8 is characterized in that, in described first switch control unit manual-operating mechanism is set; In described second switch control unit manual-operating mechanism is set.

13. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8, it is characterized in that, connect low tension switch on described bus rod, connect transformer on described low tension switch, described transformer is connected in emergency bus by Medium voltage switch or circuit breaker or high-voltage switch gear.

14. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8 is characterized in that, wherein a described energy-storage system module can be used for another energy-storage system module is charged when discharging and recharging experiment.

15. the method for raising nuclear power station emergency power supply reliability as claimed in claim 8 is characterized in that, described online monitoring system is monitored described storage battery energy-storage system and is comprised:

16. the method for raising nuclear power station emergency power supply reliability as claimed in claim 15, it is characterized in that the operating condition of nuclear power station comprises normal operation and dead electricity pattern, shutdown and dead electricity pattern, peace annotates and dead electricity pattern, LOCA and dead electricity pattern and extreme accident pattern.

17. the method for raising nuclear power station emergency power supply reliability as claimed in claim 15 is characterized in that, in described collection storage battery energy-storage system after the step of the performance parameter of battery,

Performance parameter according to battery in the storage battery energy-storage system, whether the state of judging each cell in the storage battery energy-storage system is unusual, during the abnormal state of the cell in the storage battery energy-storage system, provide and report to the police and the physical location of the cell that positioning states is unusual.

18. the method for raising nuclear power station emergency power supply reliability as claimed in claim 15 is characterized in that, in described collection storage battery energy-storage system after the step of the performance parameter of battery,

According to the performance parameter of battery in the storage battery energy-storage system, judge whether battery modules exists fault, and when there is fault in battery modules, isolates and have the battery modules of fault and the reserve battery module that puts into operation.

19. the method for raising nuclear power station emergency power supply reliability as claimed in claim 18 is characterized in that, isolated the battery modules that has fault after,

20. the method for raising nuclear power station emergency power supply reliability as claimed in claim 15 is characterized in that described method also comprises the steps:

Battery modules in the storage battery energy-storage system is put into operation or excise control by the instruction that receives main control room.

21. the method for raising nuclear power station emergency power supply reliability as claimed in claim 15 is characterized in that described method also comprises the steps:

The magnitude of voltage of monitoring emergency bus, when the duration that emergency bus loses voltage surpasses Preset Time, the generation system signal that puts into operation;

According to system's signal that puts into operation, the storage battery energy-storage system is powered to emergency bus.

22. the method for raising nuclear power station emergency power supply reliability as claimed in claim 20 is characterized in that,

The first energy-storage system module in the storage battery energy-storage system puts into operation;

Put into operation the second energy-storage system module in the storage battery energy-storage system, and circulation carries out, the energy-storage system module all puts into operation and finishes or till the storage battery energy-storage system satisfies power demands in the storage battery energy-storage system.

23. the method for raising nuclear power station emergency power supply reliability as claimed in claim 22 is characterized in that, before the step of the first energy-storage system module in the described storage battery energy-storage system that puts into operation,

Judge whether the converter in the first energy-storage system module is available in the storage battery energy-storage system that puts into operation, if it is available, carry out the step of the first energy-storage system module in the described storage battery energy-storage system that puts into operation, otherwise from the storage battery energy-storage system, select an energy-storage system module again, and this first energy-storage system module of restarting to put into operation as the first energy-storage system module.

24. the method for raising nuclear power station emergency power supply reliability as claimed in claim 23 is characterized in that described method also comprises the steps:

But the converter time spent in judgement puts into operation the storage battery energy-storage system in the first energy-storage system module, whether the voltage of the first energy-storage system module reaches cut-ff voltage in the monitoring storage battery energy-storage system, if not, carry out the step of the first energy-storage system module in the described storage battery energy-storage system that puts into operation, otherwise carry out and describedly from the storage battery energy-storage system, select an energy-storage system module again, and the step of this first energy-storage system module of restarting to put into operation as the first energy-storage system module.

25. the method for raising nuclear power station emergency power supply reliability as claimed in claim 22 is characterized in that, the step of the second energy-storage system module in the described storage battery energy-storage system that puts into operation is specially:

Judge whether the converter in the second energy-storage system module of the storage battery energy-storage system that puts into operation is available, if, to the processing of being incorporated into the power networks that puts into operation of the second energy-storage system module of storage battery energy-storage system, otherwise from the storage battery energy-storage system, select an energy-storage system module again, and this second energy-storage system module of restarting to put into operation as the second energy-storage system module.

26. the method for raising nuclear power station emergency power supply reliability as claimed in claim 25 is characterized in that, the put into operation step of handling that is incorporated into the power networks of the described second energy-storage system module to the storage battery energy-storage system is specially:

Detect the frequency of bus rod and the frequency and the phase angle of the phase angle and the second energy-storage system module output voltage;

When the difference on the frequency between the second energy-storage system module output voltage and the bus rod and phase angle difference during simultaneously less than predetermined value, the second energy-storage system module puts into operation.

27. the method for raising nuclear power station emergency power supply reliability as claimed in claim 26 is characterized in that described method also comprises the steps:

But the converter time spent in judgement puts into operation the second energy-storage system module of storage battery energy-storage system, whether the voltage of judging the second energy-storage system module in the monitoring storage battery energy-storage system reaches cut-ff voltage, if not, carry out the step of the second energy-storage system module in the described storage battery energy-storage system that puts into operation, otherwise carry out and describedly from the storage battery energy-storage system, select an energy-storage system module again, and the step of this second energy-storage system module of restarting to put into operation as the second energy-storage system module.

28. the method for raising nuclear power station emergency power supply reliability as claimed in claim 27 is characterized in that described method also comprises the steps:

Whether the power that detects bus rod satisfies the power demands of storage battery energy-storage system, if, then finish to put into operation, otherwise the second energy-storage system module that continues to put into operation.

29. the method for raising nuclear power station emergency power supply reliability as claimed in claim 27 is characterized in that,

After the storage battery energy-storage system puts into operation, when the difference of the power demand of the power of detected bus rod and storage battery energy-storage system surpasses the power of single energy-storage system module, energy-storage system module of excision from the energy-storage system module that has put into operation, this step is carried out in circulation, till the power of difference less than single energy-storage system module of the power demand of the power of bus rod and storage battery energy-storage system.

30. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1 is characterized in that, being provided with in described storage battery energy-storage system top can be to the solar energy emergency power supply system of described storage battery energy-storage system charging.

31. the method for raising nuclear power station emergency power supply reliability as claimed in claim 1, it is characterized in that, described storage battery energy-storage system is connected in the special-purpose turbo generator electric power system of hydraulic testpump, to replenish or to replace the special-purpose turbo generator of hydraulic testpump, for hydraulic testpump provides safe and reliable 380V power supply.

32. improve the method for nuclear power station emergency power supply reliability, it is characterized in that, adopt internal electric network supply line, external electrical network supply line, stationary diesel generating set and wind energy and/or solar energy emergency power supply system emergency service line powering to nuclear power station.

33. improve the method for nuclear power station emergency power supply reliability, it is characterized in that, adopt internal electric network supply line, external electrical network supply line, stationary diesel generating set and mobile emergency diesel generating set emergency service line powering to nuclear power station.

34. improve the system of nuclear power station emergency power supply reliability, it is characterized in that comprising can be by internal electric network supply line, external electrical network supply line, stationary diesel generating set and the storage battery energy-storage system of emergency service circuit to the nuclear power station power supply.

35. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34 is characterized in that described storage battery energy-storage system comprises stationary storage battery energy-storage system and/or movable storage cell energy-storage system;

36. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34, it is characterized in that, the storage battery energy-storage system is provided with online monitoring system, be used to monitor the state of internal electric network supply line, external electrical network supply line, stationary diesel generating set, storage battery energy-storage system and power consumption equipment, starting the storage battery energy-storage system when the stationary diesel generating set can not provide emergency service provides emergency service by the emergency service circuit to the power consumption equipment of nuclear power station.

37. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34, it is characterized in that, the system of described raising nuclear power station emergency power supply reliability also comprises portable charging device, described portable charging device is provided with the charging output interface, the storage battery energy-storage system is provided with charging input interface, and described charging input interface and described charging output interface are complementary.

38. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34 is characterized in that, described storage battery energy-storage system is connected in the instrument control power-supply system of nuclear power station, and replaces the original emergent lead-acid batteries of described instrument control power-supply system.

39. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34, it is characterized in that, described storage battery energy-storage system is connected in the special-purpose turbo generator electric power system of hydraulic testpump, can replenish or replace the special-purpose turbo generator of hydraulic testpump, for hydraulic testpump provides safe and reliable 380V power supply.

40. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34 is characterized in that,

Described storage battery energy-storage system comprises online monitoring system and a plurality of energy-storage system module;

Described storage battery energy-storage system is connected in the power consumption equipment of nuclear power station by emergency bus.

41. the system of raising nuclear power station emergency power supply reliability as claimed in claim 40 is characterized in that, described a plurality of energy-storage system modules are connected in parallel on the bus rod; Described energy-storage system module comprises converter and array, and described converter is connected on the described bus rod, and described array is connected on the described converter;

Described array comprises dc bus and battery modules, and described battery modules is parallel on the described dc bus, and described dc bus is connected on the described converter;

Described battery modules by a plurality of cell strings or/and be formed in parallel;

Be provided with the second switch control unit between described battery modules and the converter, control by online monitoring system;

Be provided with first switch control unit between described energy-storage system module and the bus rod, control by online monitoring system.

42. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34 is characterized in that, described storage battery energy-storage system is positioned in the storing unit of waterproof, shockproof and scalable temperature.

43. the system of raising nuclear power station emergency power supply reliability as claimed in claim 34 is characterized in that, described storage battery energy-storage system top is provided with can be to the solar energy emergency power supply system of described storage battery energy-storage system charging.

44. the system of raising nuclear power station emergency power supply reliability as claimed in claim 42, it is characterized in that, described storing unit is arranged on the reference platform, but comprise an antidetonation and be fixed in ccontaining cavity on the described reference platform, in described ccontaining cavity, have the cavity that can deposit energy storage battery cabinet or battery carrier, converter and supervision and control appliance, the deposit position of described converter and supervision and control appliance is higher than the deposit position of energy storage battery cabinet or battery carrier.

45. the system of raising nuclear power station emergency power supply reliability as claimed in claim 44, it is characterized in that, be used to place in the cavity of described battery rack or battery carrier, have a plurality of pedestals of installing and fixing described battery rack or battery carrier, each pedestal all is higher than the ground of this cavity.

46. the system of raising nuclear power station emergency power supply reliability as claimed in claim 45 is characterized in that described pedestal is constituted by a plurality of boss that are above the ground level.

47. the system of raising nuclear power station emergency power supply reliability as claimed in claim 45 is characterized in that described pedestal is made of a plurality of base stations with a plurality of hollow holes.

48. the system of raising nuclear power station emergency power supply reliability as claimed in claim 46 is characterized in that, is provided with the antidetonation cushion between described pedestal and described battery rack or the battery carrier joint face.

49. the system of raising nuclear power station emergency power supply reliability as claimed in claim 44, it is characterized in that, the cavity floor that is used to place described battery rack or battery carrier offers plash, is provided with the drainage equipment that ponding can be drawn into external of described containing cavity in its hole.

50. the system of raising nuclear power station emergency power supply reliability as claimed in claim 49, it is characterized in that, the cavity end face that is used to place described battery rack or battery carrier is provided with a plurality of nozzles that can spray water when fire, each nozzle be arranged at one can with water-supply-pipe that plash is communicated with on, this water-supply-pipe is communicated with the water tank of being located at external of containing cavity simultaneously, also is provided with suction pump and control valve on the described hydraulic pipeline.

51. the system of raising nuclear power station emergency power supply reliability as claimed in claim 49 is characterized in that, also is provided with filter in the described plash.

52. the system of raising nuclear power station emergency power supply reliability as claimed in claim 44, it is characterized in that, the cavity top that is used to place described battery rack or battery carrier is provided with at least one waterproof ventilating opening, and it links to each other with ventilation equipment that are arranged at described containing cavity external body.

53. the system of raising nuclear power station emergency power supply reliability as claimed in claim 44, it is characterized in that, the cavity that is used to put described battery rack or battery carrier have one can confess into the passway, the side or the end face of this described ccontaining cavity is located in described passway.

54. the system of raising nuclear power station emergency power supply reliability as claimed in claim 53, it is characterized in that, the passway of being located at described containing cavity body side surface has a water door, and described water door is hinged in the place, passway, also is provided with the latch-up structure that can cooperate with described ccontaining cavity on the described water door.

55. the system of raising nuclear power station emergency power supply reliability as claimed in claim 41 is characterized in that described converter comprises:

The multichannel convertor unit, the interchange side joint bus rod of described each road convertor unit, the direct current side joint dc bus of described each road convertor unit;

Output with each road convertor unit is connected respectively, gathers the sampling unit of the output signal of telecommunication of each road convertor unit;

A plurality of built-in controllers that are connected with the described convertor unit of multichannel respectively, the IGBT switch conduction and the turn-off time that are used to control described multichannel convertor unit are synchronous fully; And

With described sampling unit and the central controller that a plurality of built-in controllers are connected, be used for the signal of telecommunication respectively, control described a plurality of built-in controller according to described sampling unit collection.

56. the system of raising nuclear power station emergency power supply reliability as claimed in claim 55, it is characterized in that, described multichannel convertor unit is the multichannel bi-directional inverter, the interchange side joint bus rod of described each road bi-directional inverter, the direct current side joint dc bus of described each road bi-directional inverter.

57. the system of raising nuclear power station emergency power supply reliability as claimed in claim 55 is characterized in that described sampling unit is:

The AC side sampling unit that is connected with the AC side of each road bi-directional inverter respectively;

The DC side sampling unit that is connected with the DC side of each road bi-directional inverter respectively.

58. the system of raising nuclear power station emergency power supply reliability as claimed in claim 55 is characterized in that described built-in controller comprises:

The AC side sampling module that is connected with the AC side of described one tunnel bi-directional inverter;

The DC side sampling module that is connected with the DC side of described one tunnel bi-directional inverter;

Respectively with described AC side sampling module, DC side sampling module, central controller and the control module that one tunnel bi-directional inverter is connected, the value of electrical signals that is used for controlling according to the control signal of the signal of telecommunication of described AC side sampling module and the collection of DC side sampling module and central controller described one tunnel bi-directional inverter output is identical with default value of electrical signals.