CN106099986B - A kind of supply of isolated island comprehensive energy and safeguards system - Google Patents
A kind of supply of isolated island comprehensive energy and safeguards system Download PDFInfo
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- CN106099986B CN106099986B CN201610626567.9A CN201610626567A CN106099986B CN 106099986 B CN106099986 B CN 106099986B CN 201610626567 A CN201610626567 A CN 201610626567A CN 106099986 B CN106099986 B CN 106099986B
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Classifications
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- H02J3/382—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of supply of isolated island comprehensive energy and safeguards systems, comprising: the small-sized heap nuclear power equipment of the main power source as isolated island micro-capacitance sensor；For the small-sized heap nuclear power equipment to be accessed to the switchyard of micro-capacitance sensor；Large capacity energy-storage system and super capacitor for energy storage；The distributed renewable energy generating system of accessory power supply as isolated island micro-capacitance sensor；The diesel generating system of Emergency power source as isolated island micro-capacitance sensor；And micro-capacitance sensor comprehensive control management centring system；Wherein, it is attached between the small-sized heap nuclear power equipment, switchyard, large capacity energy-storage system and super capacitor, distributed renewable energy generating system, diesel generating system and micro-capacitance sensor comprehensive control management centring system by power transmission lines and/or microgrid communication line.Implement the present invention, comprehensive energy and guarantee can be provided for isolated island.
Description
Technical field
The present invention relates to the micro-capacitance sensor technical field for isolated island, in particular to a kind of isolated island comprehensive energy supply and guarantee
System.
Background technique
Micro-capacitance sensor is a kind of organizational form of distributed power generation, is filled by distributed generation resource, energy storage device, energy conversion
It sets, the small-sized electric system of related load and monitoring system, protective device composition, can be realized self-contr ol, protection and pipe
Reason, can both be incorporated into the power networks with external electrical network, can also be with isolated operation.Isolated island micro-capacitance sensor, which refers to, only has independent operation function
Micro-capacitance sensor, such as the micro-capacitance sensor to remote districts or island power supply.
Islanded system is typically remote from land and island area is also smaller, and long-term diesel transport and consumption costs constrain
The development of legacy system；On the other hand, due to non-renewable energy is increasingly depleted and the worsening countries in the world of environment for human survival all
Using the new renewable energy of exploitation as the direction of energy development.The isolated self-sufficient power supply of the conventionally employed diesel engine in island, closely
In the past few years generated energy is increasingly difficult to meet user's requirement.
As China constantly reinforces the development and utilization to offshore oil, natural gas resource, marine oil and gas exploits power supply
Demand increasingly increases.Marine nuclear power station is that marine oil and gas exploitation, sea island resources exploitation strategem etc. provide power supply in reduction confession
Electric cost improves power quality, the exploitation of Oilfield Group progressive rolling movement, sea island resources comprehensive development and utilization etc. with significant excellent
Gesture.
Distribution type renewable energy is current still in its infancy in the application of isolated island micro-capacitance sensor, and there is also output capacities to have
The problems such as limit, electricity consumption duration and grid stability difference, are also far from satisfying the demand of various isolated island large capacity electricity consumptions.
According to the regulation of the International Atomic energy committee (IAEA), electrical power is divided into small-sized less than the reactor of 300MW
Heap, but sometimes reactor of the power less than 500MW is also referred to as small-sized heap.It is international small-sized according to this definition
Not only there are many type for reactor, and quantity is very big.Including most of research reactor, prototype reactor, a large amount of military heap, naval vessel
Reactor and low power commercial heap on submarine.Heap-type pressure water heap, high temperature gas cooled reactor, boiling-water reactor, liquid metal are fast
The various heap-type such as heap, molten salt reactor.Wherein, small-sized presurized water reactor is international main direction of studying.Current multiple countries are opening
Send out novel small-sized heap various, IRIS, WSMR including US Westinghouse company, the mPower of Ba Wei company, NuScale Power are public
The SMR-160 of the NuScale of department, Holtec company, the SMART of South Korea, the floating type KLT40S of Russian OKBM, France are state-owned
The Flexblue of Shipping Company, the ACPR series small heap of Guang He group of domestic China, the ACP100 of center group, the confession of Tsing-Hua University
Heat low temperature heap, in addition to above-mentioned presurized water reactor heap-type, high temperature gas cooled reactor heap-type, which is also at, to be continued to develop among perfect, is being transported at present
Japanese 30MWth high temperature engineering experiment heap (HTTR) and China 10MWth high-temperature gas-solid two-phase flow (HTR-10), Hua Nengji
Group modular high temperature gas cooled reactor demonstration project HTR-PM has been put into operation at present.
The size and generated energy of small-sized heap can satisfy a variety of bases and industrial application, including power generation, sea water desalination, region
Heat supply and naval vessel energy supply etc..It being investigated according to IAEA, 85.7% researcher thinks that small-sized heap best applications are power generations, and
71% researcher, which also pays high attention to, small-sized piles up the potential of sea water desalination, district heating, Independent Power Generation, industrial treatment etc.
Using.But scheme still not fairly perfect at present is powered using small-sized presurized water reactor to isolated island.
Summary of the invention
Technical problem to be solved by the present invention lies in, a kind of supply of isolated island comprehensive energy and safeguards system are provided, it can be with
Intelligent and comprehensive energy is provided for isolated island.
In order to solve the above technical problems, an aspect of of the present present invention provides a kind of supply of isolated island comprehensive energy and safeguards system,
Include:
The small-sized heap nuclear power equipment of main power source as isolated island micro-capacitance sensor；
For the small-sized heap nuclear power equipment to be accessed to the switchyard of micro-capacitance sensor；
Large capacity energy-storage system and super capacitor for energy storage；
The distributed renewable energy generating system of accessory power supply as isolated island micro-capacitance sensor；
The diesel generating system of Emergency power source as isolated island micro-capacitance sensor；And
Micro-capacitance sensor comprehensive control management centring system；
Wherein, the small-sized heap nuclear power equipment, switchyard, large capacity energy-storage system and super capacitor, it is distributed again
Pass through power transmission lines between raw energy electricity generation system, diesel generating system and micro-capacitance sensor comprehensive control management centring system
And/or microgrid communication line is attached；
Wherein, the distributed renewable energy generating system includes: photovoltaic generating system, wind generator system, sea wave energy
Electricity generation system, tidal power system, miniature gas electricity generation system, biomass power generation system, in marine thermal gradient energy electricity generation system
One or more.
Wherein, the small-sized heap nuclear power equipment is small-sized reactor of nuclear power plant, passes through the access system in switchyard and orphan
Island micro-capacitance sensor is connected；Or
The small-sized heap nuclear power equipment be nuclear power generation ship, by submarine cable directly with the access in switchyard
System is connected；Or the output cable of the nuclear power generation ship is connected with the cable interface in a floating bridge device, it is described floating
It is connected by the cable being laid with the access system of switchyard in Biodge device.
Wherein, the small-sized heap nuclear power equipment is small-sized reactor of nuclear power plant of the construction on the isolated island, the small-sized heap
Nuclear power station accesses micro-capacitance sensor by switchyard and is powered for island load；
The distribution renewable energy generating system accesses the large capacity energy-storage system and super capacitor, the great Rong
Energy-storage system and super capacitor are measured when the small-sized reactor of nuclear power plant breaks down and has a power failure or shut down, is supplied for island load
Electricity.
Wherein, the small-sized heap nuclear power equipment is nuclear power generation ship, and the nuclear power generation ship passes through submarine cable
It is connected with the switchyard being set on isolated island, micro-capacitance sensor is accessed by the switchyard and is powered for island load；
The distribution renewable energy generating system accesses the large capacity energy-storage system and super capacitor, the great Rong
Energy-storage system and super capacitor are measured when the nuclear power generation ship breaks down and has a power failure or shut down, is supplied for island load
Electricity.
Wherein, the distributed renewable energy generating system accesses the large capacity energy-storage system and super capacitor is gone forward side by side
Row charging, is preferably that island load is powered；
The small-sized heap nuclear power equipment be nuclear power generation ship, the nuclear power generation ship periodically pass through submarine cable with
Switchyard on isolated island is set to be connected, by the switchyard to access the large capacity energy-storage system and super capacitor into
Row charging.
Wherein, the switchyard includes at least access system, transformer, breaker and bus, and the access system provides
The interface for thering is small-sized heap nuclear power equipment and isolated island micro-capacitance sensor to interconnect.
Wherein, the large capacity energy-storage system includes battery system, bidirectional control device, power frequency isolation transformer.
Wherein, the micro-capacitance sensor comprehensive control management centring system includes microgrid energy management system, the micro-capacitance sensor
Energy Management System includes:
Electric quantity acquisition module is used for online acquisition micro-capacitance sensor parameter and large capacity energy-storage system parameter information, described micro-
Electrical network parameter includes voltage, electric current, active and reactive, frequency information, the large capacity energy-storage system parameter include voltage, electric current,
Charge and discharge power information；
Message processing module, for receiving micro-capacitance sensor parameter and large capacity energy-storage system ginseng from electric quantity acquisition module
Number judges whether to need to carry out power regulation, and true by being integrated, being handled and being calculated analysis to the received information of institute
Surely it needs to carry out to formulate power regulation strategy when power regulation, and generates control signal；
Power control module, for receiving the control signal from the message processing module, according to the control signal
It executes corresponding active power regulation or reactive power is adjusted.
Wherein, when message processing module, which determines voltage, fluctuation occurs beyond predetermined threshold, it is determined that need to start micro-
Network re-active power is adjusted；When message processing module, which determines frequency, fluctuation occurs beyond predetermined threshold, it is determined that needs open
Dynamic micro-capacitance sensor reactive power is adjusted；
Wherein, the power control module further comprises active power regulation module and reactive power adjustment module；
The active power regulation module is used in electricity surplus, is controlled to large capacity energy-storage system and super capacitor group
It charges, and for when the power is insufficient, controlling and discharging large capacity energy-storage system and super capacitor group, has to realize
The dynamic equilibrium of function power；
The reactive power adjustment module, for by being thrown reactive power compensator, being cut operation to realize idle function
The dynamic equilibrium of rate.
Wherein, the micro-capacitance sensor comprehensive control management centring system further comprises micro-capacitance sensor management system, micro- electricity
Network management system includes: micro-capacitance sensor access cabinet, micro-capacitance sensor communication screen, micro-capacitance sensor observing and controlling screen and micro-capacitance sensor centralized management system, institute
Stating micro-capacitance sensor and surveying control flow includes micro-capacitance sensor Centralized Controller；
Wherein, micro-capacitance sensor Centralized Controller is used for real-time detection micro-capacitance sensor frequency, if detecting underfrequency, basis
Successively cut-out loads the priority of load from low to high, or adjustment distributed generation resource output, so that micro-capacitance sensor frequency is in
Normal range (NR)；
If detecting that frequency is excessively high, successively restored from high to low according to the priority of removed load, or
Distributed generation resource output is adjusted, so that micro-capacitance sensor frequency is in normal range (NR).
Wherein, the micro-capacitance sensor centralized management system includes energy-storage system monitoring module, micro-capacitance sensor integrated supervision and statistics
At least one of module and following modules: small-sized nuclear energy power generation monitoring module, wind-power electricity generation monitoring module, photovoltaic power generation prison
Control module, diesel generation monitoring module, sea energy generation monitoring module, tidal power monitoring module, miniature gas power generation prison
Control module, biomass power generation monitoring module and marine thermal gradient energy power generation monitoring module.
Implement the present invention, have it is following the utility model has the advantages that
The present invention combines small-sized reactor of nuclear power plant or nuclear power generation ship with a variety of distributed clean energy resourcies, gives full play to
Small-sized reactor of nuclear power plant output capacity is big, power quality is stable, economy and high reliablity and distributed energy clean and environmental protection etc.
Plurality of advantages, while containing various renewable energy and being supplemented as the energy, power supply range of choice is very wide, is outlying island etc.
The supply of the comprehensive energy of independent isolated island or isolated island group and ensure and provide effective solution, can solve the comprehensive power supply of isolated island,
Comprehensive energies supply and the security problems such as sea water desalination, district heating, naval vessel energy supply and marine energy sources supply；
The present invention program, as isolated island main power source, can satisfy isolated island pair by small-sized reactor of nuclear power plant or nuclear power generation ship
The demand of large capacity electricity consumption.
The present invention is configured with micro-capacitance sensor comprehensive control management centring system, the system include microgrid energy management system,
Micro-capacitance sensor management system very efficiently and reliably can be controlled and be managed to isolated island micro-grid system, by by secondary survey
Control protection, communication and equipment and micro-capacitance sensor centralized management system including data acquisition, realize isolated island micro-capacitance sensor supply network
Coordinated operation finally builds up one and includes core, wind, light, bavin, storage, micro- integrated intelligent power supply system, utilizes the reality of micro-capacitance sensor
When scheduling with control realize whole system efficient, safe handling；
The present invention is based on the distributed generation resources of hybrid energy-storing (large capacity energy-storage system, super capacitor), using hybrid energy-storing
Battery and supercapacitor are used in mixed way by control technology, are applied to renewable energy system, are kept storage battery energy close
Degree greatly and super capacitor power density greatly, the characteristics of having extended cycle life combine, greatly improve the technical performance of whole system
And economic performance.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of isolated island comprehensive energy supply provided by the invention and safeguards system structural schematic diagram；
Fig. 2 is the structural schematic diagram of large capacity energy-storage system in Fig. 1；
Fig. 3 is the structural schematic diagram of micro-capacitance sensor comprehensive control management centring system 7 in Fig. 1；
Fig. 4 shows microgrid energy management system 70 of the invention for realizing a kind of signal of structure of power control
Figure；
Fig. 5 shows the operation principle schematic diagram of microgrid energy management system 70 in Fig. 4；
Fig. 6 shows the structural schematic diagram of micro-capacitance sensor management system 71 in Fig. 3 of the present invention；
Fig. 7 shows the present invention using isolated island micro-capacitance sensor load balance control practiced by micro-capacitance sensor Centralized Controller 714
Schematic illustration；
Fig. 8 is the structural schematic diagram of micro-capacitance sensor centralized management system 713 in Fig. 6；
Fig. 9 shows system entirety control principle schematic diagram in embodiments of the present invention one；
Figure 10 shows system entirety control principle schematic diagram in embodiments of the present invention two；
Figure 11 shows system entirety control principle schematic diagram in embodiments of the present invention three.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Specifically, as shown in Figure 1, being a kind of isolated island comprehensive energy supply provided in an embodiment of the present invention and safeguards system
Structural schematic diagram.In this embodiment, isolated island comprehensive energy supply and safeguards system, to solve the comprehensive power supply of isolated island, sea
Comprehensive energies supply and the security problems such as water desalination, district heating, naval vessel energy supply and marine energy sources supply.Specifically, the system
Include:
The small-sized heap nuclear power equipment 1 of main power source as isolated island micro-capacitance sensor；
For the small-sized heap nuclear power equipment to be accessed to the switchyard 2 of micro-capacitance sensor；
Large capacity energy-storage system 3 and super capacitor 4 for energy storage；
The distributed renewable energy generating system 5 of accessory power supply as isolated island micro-capacitance sensor；
The diesel generating system 6 of Emergency power source as isolated island micro-capacitance sensor；And
Micro-capacitance sensor comprehensive control management centring system 7；
Wherein, the small-sized heap nuclear power equipment 1, switchyard 2, large capacity energy-storage system 3 and super capacitor 4, distribution
Pass through electric power between formula renewable energy generating system 5, diesel generating system 6 and micro-capacitance sensor comprehensive control management centring system 7
Transmission line and/or microgrid communication line are attached；
Wherein, the distributed renewable energy generating system 5 includes: photovoltaic generating system, wind generator system, sea wave energy
Electricity generation system, tidal power system, miniature gas electricity generation system, biomass power generation system, in marine thermal gradient energy electricity generation system
One or more.
It is understood that can further comprise having island load 8 in isolated island comprehensive energy supply and safeguards system
And seawater desalination system 9；Specifically, island load 8 may include industry and appliance load, wherein industrial load considers
Part starting current and the biggish electrical equipment of instantaneous power.
Switchyard 2, for receiving and distributing the primary equipments such as electric energy, including access system, transformer, breaker, bus
And the secondary devices such as corresponding control, measurement, protection, communication.
Wherein, in one example, the small-sized heap nuclear power equipment 1 is that small-sized reactor of nuclear power plant is e.g. built on isolated island
Land small-sized nuclear energy sends out nuclear power station, is connected by the access system in switchyard with isolated island micro-capacitance sensor；
In another example, the small-sized heap nuclear power equipment 1 is nuclear power generation ship, e.g., towage formula or removable
Small nuclear power generating ship, be directly connected with the access system in switchyard by submarine cable；It can also be by setting
Floating bridge device is set to be attached, specifically, the cable interface in the output cable and a floating bridge device of the nuclear power generation ship
It is connected, is connected by the cable being laid with the access system of switchyard in the floating bridge device.
Diesel generating system 7 can be used as emergency power supply, to guarantee reliability that system is continuously powered, in one embodiment
In, the diesel generating system configured with electrically activating electronically controlled valve, can one-key start can also after ac bus power loss from
Dynamic starting.
As shown in Fig. 2, showing the structural schematic diagram of the large capacity energy-storage system 3 in Fig. 1；
Wherein, the large capacity energy-storage system 3, including the isolation of battery system 30, bidirectional control device (PCS) 31, power frequency become
Depressor 32 and micro-capacitance sensor access cabinet 33.Entering side using Industrial Frequency Transformer realization electrical isolation defeated.In implementation of the invention
In example, which can be according to actual demands such as payload size, strategic demands using station centralization, station point
A variety of arrangement forms such as cloth, container distribution and movable distributive.
It is understood that in the Distributed Renewable Energy Power System with energy-storage system, usually selection electric power storage
Pond is as energy-storage travelling wave tube, but energy-storage travelling wave tube of the battery as energy type, there are power densities low, charge and discharge cycles number shadow
The disadvantages of ringing its service life.Super capacitor is as power-type energy-storage travelling wave tube, since its power density is high, have extended cycle life, fill
It the advantages that discharging efficiency height, Maintenance free, just receives more and more attention, but since its energy density is lower, at present also
The power energy storage of large capacity difficult to realize.And in the embodiment of the present invention, using based on hybrid energy-storing, (large capacity energy-storage system surpasses
Grade capacitor) distributed generation resource, battery and supercapacitor can be used in mixed way, be applied to renewable energy system,
Make storage battery energy density greatly and super capacitor power density is big, the characteristics of having extended cycle life combines, greatly improves entirely
The technical performance and economic performance of system.
As shown in figure 3, showing the structural schematic diagram of micro-capacitance sensor comprehensive control management centring system 7 in Fig. 1 of the present invention.It should
Micro-capacitance sensor comprehensive control management centring system 7 includes microgrid energy management system 70 and micro-capacitance sensor management system 71, to reality
Now to the real-time management and control of isolated island micro-capacitance sensor.
Wherein, microgrid energy management system 7 can specifically include distributed power generation power control module, automatic voltage without
Function control module, power grid master mode switching control module, power grid static stability analysis module, electrical network economy optimization operation module
Etc. modules (not shown).
Specifically, active power and Reactive Power Control function may be implemented in microgrid energy management system 70 of the invention
Energy.Show as shown in figure 4, showing microgrid energy management system 70 of the invention for realizing a kind of structure of power control
It is intended to.
Wherein, which includes:
Electric quantity acquisition module 700 is used for online acquisition micro-capacitance sensor parameter and large capacity energy-storage system parameter information, described
Micro-capacitance sensor parameter includes voltage, electric current, active and reactive, frequency information, and the large capacity energy-storage system parameter includes voltage, electricity
Stream, charge and discharge power information；
Message processing module 701, for receiving micro-capacitance sensor parameter and large capacity energy storage system from electric quantity acquisition module
It unites parameter, by being integrated, handled and calculated analysis to the received information of institute, judges whether to need to carry out power regulation, and
Power regulation strategy is formulated when needing to carry out power regulation determining, and generates control signal；
Power control module 702 is believed for receiving the control signal from the message processing module according to the control
It number executes corresponding active power regulation or reactive power is adjusted.
Specifically, when message processing module 701, which determines voltage, fluctuation occurs beyond predetermined threshold, it is determined that needs open
Dynamic micro-capacitance sensor active power regulation；When message processing module 701, which determines frequency, fluctuation occurs beyond predetermined threshold, it is determined that
Need to start the adjusting of micro-capacitance sensor reactive power；
Wherein, the power control module 702 further comprises that active power regulation module 703 and reactive power adjust mould
Block 704；
The active power regulation module 703 is used in electricity surplus, is controlled to large capacity energy-storage system and super electricity
Appearance group charges, and for when the power is insufficient, control to discharge to large capacity energy-storage system and super capacitor group, with reality
The dynamic equilibrium of existing active power；
The reactive power adjustment module 704 is used for idle to realize by being thrown reactive power compensator, being cut operation
The dynamic equilibrium of power.
It is understood that described reactive power compensator can be independent device herein, it may include reactive compensation
Equipment (including capacitor group, reactor group), switchgear and corresponding control, protection, measurement, communication apparatus.
Fig. 5 is combined together, and it illustrates the operation principle schematic diagrams of Fig. 4 microgrid energy management system 70.
It can be seen that electric quantity acquisition module 700 acquires the information such as micro-capacitance sensor voltage, electric current, active and reactive, frequency,
And the information such as voltage, electric current, charge and discharge of large capacity energy-storage system, and send message processing module 701 to.Information processing mould
Block 701 receives information and the large capacities such as micro-capacitance sensor voltage, electric current, the active and reactive, frequency from electric quantity acquisition module 700
The information such as energy-storage system voltage, electric current, charge and discharge are judged by being integrated, being handled and being calculated analysis to the received information of institute
Whether need to carry out power regulation.In one example, which can be such that
When voltage occurs fluctuating larger (the 7% of the sum of positive and negative inclined absolute value of the difference of network voltage overrate), really
Surely power regulation need to be carried out；
When frequency occurs fluctuating larger (e.g., frequency departure is more than ± 0.5 hertz), determination need to carry out power regulation.
If it is determined that determination needs to carry out power regulation, then power regulation strategy is formulated:
Specifically, when voltage occurs fluctuating larger (e.g., the sum of positive and negative inclined absolute value of the difference of network voltage overrate
7%) when, starting micro-capacitance sensor reactive power adjust；
When frequency occurs fluctuating larger (e.g., frequency departure is more than ± 0.5 hertz), start micro-capacitance sensor active power tune
Section.
Power adjustment information is converted to control signal by message processing module 701, and control signal is exported to Electric control
Module 702.Power control module 702 goes to execute active and reactive power adjusting by receiving control signal.Specifically, if electricity
Surplus, active power regulation module 703 then output signal to battery management system, to large-capacity battery group and super capacitor group
It charges；If not enough power supply, active power regulation module outputs signal to battery management system, to large-capacity battery group
It discharges with super capacitor group, to realize the dynamic equilibrium of active power.Reactive power adjustment module 704 is then by nothing
Reactive power compensation installations (including capacitor group and reactor group) are thrown, cut the dynamic equilibrium that reactive power is realized in operation.If system
Judgement does not need to carry out power regulation, and system then continues online information about power acquisition, is until needing to carry out power regulation
Only.
As shown in fig. 6, showing the structural schematic diagram of micro-capacitance sensor management system 71 in Fig. 3 of the present invention.Wherein, the micro-capacitance sensor
Management system includes: micro-capacitance sensor access cabinet 710, micro-capacitance sensor communication screen 711, micro-capacitance sensor observing and controlling screen 712 and micro-capacitance sensor centralized management
System 713, wherein the micro-capacitance sensor observing and controlling screen 712 may include a micro-capacitance sensor Centralized Controller 714.Wherein, which accesses
It to be identical equipment that cabinet 710 can access cabinet 33 with the micro-capacitance sensor in Fig. 2, be also possible to the same equipment.
Wherein, which is used for real-time detection micro-capacitance sensor frequency, if detecting underfrequency,
Then according to the priority of load, successively cut-out is loaded from low to high, or adjustment distributed generation resource output, so that micro-capacitance sensor frequency
Rate is in normal range (NR)；
If detecting that frequency is excessively high, successively restored from high to low according to the priority of removed load, or
Distributed generation resource output is adjusted, so that micro-capacitance sensor frequency is in normal range (NR).
Specifically, micro-capacitance sensor Centralized Controller 714 can be a embedded micro-capacitance sensor host and operator station, can be complete
Face monitors the operating condition of entire micro-capacitance sensor primary equipment, analyzes the operating condition of micro-capacitance sensor in real time and to obtain entire micro-capacitance sensor excellent
Change and adjustable strategies and fast automatic execution are the core of microgrid energy management system at the same time as database server
Center portion part.
During isolated operation, the micro-capacitance sensor frequency check at any time of micro-capacitance sensor Centralized Controller 714, if frequency rises,
The removed load of recovered part, if all loads are put into, frequency is still excessively high, using excision distributed generation resource
Measure or adjustment distributed generation resource power output, if frequency drops to the minimum limit value (- 0.5 hertz of frequency departure) of permission, after
Continuous excision remainder load, guarantees the reliability and power supply quality of the most important load supplying during off-network.
Island load defines multilevel precedence according to load important degree and user demand, such as in one example, can
To define level Four priority, sort as follows:
First priority: I grades of isolated island military affairs loads；
Second priority: II grades of isolated island military affairs loads, I grades of industry loads, life I grades of loads；
Third priority: isolated island military affairs normal load, II grades of industry loads, life II grades of loads；
4th priority: isolated island industry normal load, isolated island life normal load.
Load important degree is pressed when cutting off load, and according to load priority, it is low insignificant first to cut off load priority
The high important load of load priority is cut in load again, the adjustment to distributed generation resource power output, and principle is preferential guarantee renewable energy
The maximum output in source generates electricity, or even can be changed to charging by discharging energy storage device and by way of absorbing extra electricity, finally reached
Equilibrium of supply and demand target after to micro-capacitance sensor off-network.
More details can refer to the present invention shown in Fig. 7 using the micro- electricity of isolated island practiced by micro-capacitance sensor Centralized Controller 714
Net load balance control schematic illustration.
As shown in figure 8, being the structural schematic diagram of micro-capacitance sensor centralized management system 713 in Fig. 6.
It can be seen that the micro-capacitance sensor centralized management system 713 is comprehensive including at least energy-storage system monitoring module, micro-capacitance sensor
Close monitoring and at least one of statistical module and following modules: small-sized nuclear energy power generation monitoring module, wind-power electricity generation monitor mould
It is block, photovoltaic power generation monitoring module, diesel generation monitoring module, sea energy generation monitoring module, tidal power monitoring module, micro-
Type fuel gas generation monitoring module, biomass power generation monitoring module and marine thermal gradient energy generate electricity monitoring module, show in figure all
Module；It is understood that in other examples, according to the specific class of aforementioned distributed renewable energy generating system 5
Type and quantity, can in the micro-capacitance sensor centralized management system 713 the corresponding monitoring module of arrangement.Below will to each module into
Row is described in detail.
1) small-sized nuclear energy power generation monitoring module
It is carried out for real-time traffic information, the warning message to the power generation of small-sized reactor of nuclear power plant or the power generation of nuclear power generation ship complete
The monitoring in face, and various statistics and analysis are carried out to small-sized reactor of nuclear power plant or the power generation of nuclear power generation ship, it realizes to small-sized
The control in all directions of reactor of nuclear power plant or the power generation of nuclear power generation ship.
2) wind-power electricity generation monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to wind turbine power generation, and wind turbine power generation is carried out
Various statistics and analysis realize the control in all directions to wind turbine power generation.
3) photovoltaic power generation monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to solar energy power generating, and photovoltaic is sent out
Electricity carries out various statistics and analysis, realizes the control in all directions to photovoltaic power generation.
4) diesel generation monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to diesel generation, and diesel generation is carried out
Various statistics and analysis realize the control in all directions to diesel generation.
5) sea energy generation monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to seawave power generation, and seawave power generation is carried out
Various statistics and analysis realize the control in all directions to seawave power generation.
6) tidal power monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to tidal power, and to tidal power
Various statistics and analysis are carried out, realize the control in all directions to tidal power.
7) miniature gas power generation monitoring module
Real-time traffic information, warning message for generating electricity to miniature gas comprehensively monitored, and to miniature gas
Power generation carries out various statistics and analysis, realizes the control in all directions to generate electricity to miniature gas.
8) biomass power generation monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to biomass power generation, and to biomass power generation
Carry out various statistics and analysis.
9) marine thermal gradient energy power generation monitoring module
Real-time traffic information, warning message for generating electricity to marine thermal gradient energy comprehensively monitored, and to marine temperature
Difference, which can generate electricity, carries out various statistics and analysis.
10) energy-storage system monitoring module
It is comprehensively monitored for real-time traffic information, the warning message to energy-storage battery and super capacitor, and to storage
Energy battery and super capacitor carry out various statistics and analysis, realize the control in all directions to energy-storage battery and super capacitor.
11) micro-capacitance sensor integrated supervision and statistical module
For the unified integrated information for monitoring micro-grid system operation, including micro-grid system frequency, microgrid inlet voltage,
It is off line power on distribution and the total generated output of real-time statistics microgrid, energy storage residual capacity, the total active load of microgrid, total idle negative
The total active, controllable load of load, sensitive loads is always active, it is total active to cut off load completely, and monitors each breaker in microgrid inside
Switch state, each branch have the real time information such as the alarm of reactive power, each equipment, complete the real time monitoring and system of entire micro-capacitance sensor
Meter.
It is following to combine three embodiments in order to be further understood the working principle of the invention and application scenarios institute
It is illustrated.
Specifically, according to island load size and actual demand, carrying out comprehensive power supply to isolated island micro-capacitance sensor in the present invention can
To adopt three kinds of following embodiments:
Mode one: the small-sized reactor of nuclear power plant of isolated island is the long-term power supply mode of main power source；
Mode two: nuclear power generation ship is that main power source stops the long-term power supply mode of isolated island；
Mode three: nuclear power generation ship is that main power source passes through energy-storage system power supply mode.
Three kinds of embodiments can independently be implemented, unrelated.It, can be with employing mode in the case of island load is larger
One or two power supply mode of mode；Situation lesser for island load, can be with the power supply mode of employing mode three.
Mode one: the small-sized reactor of nuclear power plant of isolated island is the long-term power supply mode of main power source
As shown in figure 9, showing system entirety control principle schematic diagram in embodiments of the present invention one.
Preferably in one, land small-sized reactor of nuclear power plant is built on isolated island, distributing electric power by switchyard is orphan
Island load supplying.
Under normal circumstances, it is land by small-sized reactor of nuclear power plant as main source of energy, other distributed energies (including photovoltaic power generation,
Wind-power electricity generation, sea energy generation, tidal power, miniature gas power generation, biomass power generation, marine thermal gradient energy power generation) as auxiliary
Help the energy for island-grid power supply.Land small-sized reactor of nuclear power plant is island load power supply by conventional electrical power cable；.Diesel generation
Machine system uses under the operating condition that main source of energy and supplementary energy all lose as emergency power supply.Main source of energy system, supplementary energy system
There is communication between system, large capacity energy-storage system and super capacitor and isolated island micro-capacitance sensor comprehensive control management center and control is logical
Road, it is ensured that realize coordinated operation under the unified management and control at isolated island micro-capacitance sensor comprehensive control management center.
Under normal circumstances, energy-storage system provides power charge by small-sized reactor of nuclear power plant, is in floating charge mode；
Under the cases of emergency such as small-sized reactor of nuclear power plant fault outage, the emergency shutdown of violent typhoon weather, pass through Electric control system
System automatically switches, and preferentially passes through wind generator system, solar power system, wave energy generating system, tidal power on island
System, miniature gas electricity generation system, biomass power generation system, marine thermal gradient energy electricity generation system distributed energy power generation new energy
System power supply, energy-storage system are in floating charge mode, and diesel generator system is as stand-by power source；
Under abnormal operation condition case of emergency, since theoretically the crash time is very short, energy-storage system does not need configuration too
Big capacity, energy-storage system, which is mainly responsible for, to be improved isolated island power quality, improves the renewable energy cut-in qualities such as wind energy, guarantees
The effects of important load continued power, new energy resources system provides charge power supply for energy-storage system, once new energy resources system power supply is not
Foot or when can not provide electric power, energy-storage system starts to discharge, and powers for island-grid, and diesel-driven generator starting is used as backup power source
For energy-storage system charging.
For establishing independent small-sized reactor of nuclear power plant on each isolated island apart from farther away isolated island group；For what is be closer
Isolated island group is connected by marine cable to load maximum isolated island as power supply main website and closes on isolated island group unification for other
Power supply, forms biggish isolated island group micro-capacitance sensor power supply system.
Mode two: nuclear power generation ship is that main power source stops the long-term power supply mode in island
As shown in Figure 10, system entirety control principle schematic diagram in embodiments of the present invention two is shown.
Preferably in two, nuclear power generation ship is configured, nuclear power generation ship is used as main source of energy, other distribution energy
Source (including photovoltaic power generation, wind-power electricity generation, sea energy generation, tidal power, miniature gas power generation, biomass power generation, marine temperature
Difference can generate electricity) as supplementary energy.Nuclear power generation ship is island load power supply by conventional electrical power cable.Diesel-driven generator system
System is used as emergency power supply, uses under the operating condition that main source of energy and supplementary energy all lose.Main source of energy system, auxiliary energy system,
There is communication and control channel between large capacity energy-storage system and super capacitor and isolated island micro-capacitance sensor comprehensive control management center, really
Guarantor realizes coordinated operation under the unified management and control at isolated island micro-capacitance sensor comprehensive control management center.
Nuclear power generation ship needs to rest in seashore (needing to build special harbour, dock or mooring arrangement) and passes through seabed
Cable is connected with bank electricity.；
Bank electricity need to build switchyard, and it is island power supply that nuclear power generation ship, which accesses switchyard by cable,.
It under normal circumstances, is island-grid power supply by nuclear generator.
Under normal circumstances, energy-storage system provides power charge by nuclear power generation ship, is in floating charge mode.；
Case of emergency such as nuclear power generation ship fault outage, typhoon weather emergency is shut down under abnormal operation condition, is led to
Electric control system automatic switchover is crossed, preferentially generated electricity by wind-power electricity generation, solar energy, sea energy generation, the miniature gas on island,
Biomass power generation, marine thermal gradient energy power generation distributed energy power generation new energy resources system power supply, energy-storage system are in floating charge mode,
Diesel generating system is as backup power source.
Under abnormal operation condition case of emergency, since theoretically the crash time is very short, energy-storage system does not need configuration too
Big capacity, energy-storage system, which is mainly responsible for, to be improved isolated island power quality, improves the renewable energy cut-in qualities such as wind energy, guarantees
The effects of important load continued power, distributed energy power generation new energy resources system provide charge power supply for energy-storage system, once point
Cloth energy power generation new energy resources system electricity shortage or when can not provide electric power, energy-storage system starts to discharge, and supplies for island-grid
Electricity, diesel-driven generator starting are energy-storage system charging as stand-by power source power supply.
For independent nuclear power generation ship is arranged on each isolated island apart from farther away isolated island group；For what is be closer
Isolated island group is connected by marine cable to load maximum isolated island as power supply main website and closes on isolated island group unification for other
Centrally connected power supply constitutes biggish isolated island group micro-capacitance sensor power supply system.
Energy-storage system workshop can use distributed arrangement.
Islands and reefs are loaded and carry out different degree classification.For important load such as military radar, dedicated energy storage workshop is built, can be examined
Consider underground and builds mode；For secondary important load, secondary important energy storage workshop power supply is built；It is such as common for normal load to occupy
People's household electricity can build common land workshop power supply.According to load classification and actual demand, may be selected to use fixed station
Formula energy storage workshop, fixed container-type energy storage station and three kinds of Mobile energy storage station mode.
Mode three: nuclear power generation ship is that main power source passes through energy-storage system power supply mode
As shown in figure 11, system entirety control principle schematic diagram in embodiments of the present invention three is shown.
Preferably in three, nuclear power generation ship is configured, nuclear power generation ship is used as main source of energy, other distribution energy
Source (including photovoltaic power generation, wind-power electricity generation, sea energy generation, tidal power, miniature gas power generation, biomass power generation, marine temperature
Difference can generate electricity) as supplementary energy.Nuclear power generation ship is large capacity energy-storage system and super capacitor by conventional electrical power cable
Charging, large capacity energy-storage system and super capacitor electric discharge power to island load.Diesel generator system as emergency power supply,
It is used under the operating condition that main source of energy and supplementary energy all lose.Main source of energy system, auxiliary energy system, large capacity energy-storage system and super
There is communication and control channel between grade capacitor and isolated island micro-capacitance sensor comprehensive control management center, it is ensured that comprehensive in isolated island micro-capacitance sensor
Control the unified management and the lower realization coordinated operation of control of administrative center.
Situation lesser for island load, and in the biggish situation of nuclear power generation ship output capacity, nuclear power generation
Ship can be multiple island power supplies.In such cases, needing nuclear power generation ship steering stream is that the energy-storage system of each island-grid fills
Electricity, energy-storage system need to guarantee in the regular hour that (such as one week, two weeks) is island-grid continued power.In such cases,
Since island power is mainly powered by large capacity energy-storage system, large capacity energy-storage system needs to configure bigger capacity.
Under the third embodiment of the present invention, nuclear power generation generation driving force ship does not need to rest in seashore, no
Need to build special harbour.When charging work, nuclear power generation generation driving force ship is protected by special anchoring system and seabed
It holds and is connected and fixed, be then connected with bank electricity switchyard power supply by submarine cable.
In the case of nominal situation, nuclear power generation ship charges within the regular hour for isolated island energy-storage system, is distributed on island
Formula energy power generation new energy resources system is preferably island power supply, and energy-storage system system is inadequate in energy-storage system electric power as spare
In the case of starting diesel-driven generator power supply.；
In the case where nuclear power generation ship failure stops transport, continues the abnormal operation conditions cases of emergency such as typhoon, isolated island is distributed
Under energy new energy and the insufficient situation of energy-storage system power supply, diesel-driven generator need to be started as island-grid power supply.
Under abnormal operation condition, when distributed energy renewable energy system is more than island load electricity consumption, and
When distribution type renewable energy power generation and large capacity energy-storage system are able to maintain that load long period electricity consumption, all diesel engines stop
Fortune puts into diesel-driven generator when distribution type renewable energy generation deficiency is to maintain load.In the operation of diesel-driven generator
In the process, it by the adjustment effect of energy storage, is mostly generated electricity using distribution type renewable energy as far as possible to reduce the consumption of fuel.By
Accurate load estimation and distribution type renewable energy power generation prediction, improve system performance driving economy and reliability, to greatest extent
While loss load capacity is contributed and reduced using the renewable energy light such as wind-power electricity generation, photovoltaic power generation, it should reduce to the greatest extent
Diesel-driven generator start and stop number and energy storage charge and discharge cycles number.
Energy-storage system workshop can use distributed arrangement.
Islands and reefs are loaded and carry out different degree classification.For important load such as military radar, dedicated energy storage workshop is built, can be examined
Consider underground and builds mode；For secondary important load, secondary important energy storage workshop power supply is built；It is such as common for normal load to occupy
People's household electricity can build common land workshop power supply.According to load classification and actual demand, may be selected to use fixed station
Formula energy storage workshop, fixed container-type energy storage station and three kinds of Mobile energy storage station mode.
Implement the present invention, have it is following the utility model has the advantages that
The present invention combines small-sized reactor of nuclear power plant or nuclear power generation ship with a variety of distributed energies, gives full play to small-sized
Reactor of nuclear power plant output capacity is big, power quality is stable, economy and high reliablity and distributed energy clean and environmental protection etc. are many
Advantage, while containing various renewable energy and being supplemented as the energy, power supply range of choice is very wide, is that outlying island etc. is independent
The supply of the comprehensive energy of isolated island or isolated island group and guarantee provide effective solution, can solve the comprehensive power supply of isolated island, seawater
Comprehensive energies supply and the security problems such as desalination, district heating, naval vessel energy supply and marine energy sources supply；
The present invention program, as isolated island main power source, can satisfy isolated island pair by small-sized reactor of nuclear power plant or nuclear power generation ship
The demand of large capacity electricity consumption.
The present invention is configured with micro-capacitance sensor comprehensive control management centring system, the system include microgrid energy management system,
Micro-capacitance sensor management system very efficiently and reliably can be controlled and be managed to isolated island micro-grid system, by by secondary survey
Control protection, communication and equipment and micro-capacitance sensor centralized management system including data acquisition, realize isolated island micro-capacitance sensor supply network
Coordinated operation finally builds up one and includes core, wind, light, bavin, storage, micro- integrated intelligent power supply system, utilizes the reality of micro-capacitance sensor
When scheduling with control realize whole system efficient, safe handling；
The present invention is based on the distributed generation resources of hybrid energy-storing (large capacity energy-storage system, super capacitor), using hybrid energy-storing
Battery and supercapacitor are used in mixed way by control technology, are applied to renewable energy system, are kept storage battery energy close
Degree greatly and super capacitor power density greatly, the characteristics of having extended cycle life combine, the technical performance of whole system can be greatly promoted
And economic performance.
Above disclosed is only a preferred embodiment of the present invention, cannot limit the power of the present invention with this certainly
Sharp range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of isolated island comprehensive energy supply and safeguards system characterized by comprising
The small-sized heap nuclear power equipment of main power source as isolated island micro-capacitance sensor；
For the small-sized heap nuclear power equipment to be accessed to the switchyard of micro-capacitance sensor；
Large capacity energy-storage system and super capacitor for energy storage；
The distributed renewable energy generating system of accessory power supply as isolated island micro-capacitance sensor；
The diesel generating system of Emergency power source as isolated island micro-capacitance sensor；And
Micro-capacitance sensor comprehensive control management centring system；
Wherein, the small-sized heap nuclear power equipment, switchyard, large capacity energy-storage system and super capacitor, distributed Regenerated energy
Between source electricity generation system, diesel generating system and micro-capacitance sensor comprehensive control management centring system by power transmission lines or/
And microgrid communication line is attached；
Wherein, the distributed renewable energy generating system includes: photovoltaic generating system, wind generator system, sea energy generation
System, tidal power system, miniature gas electricity generation system, biomass power generation system, one in marine thermal gradient energy electricity generation system
It is a or multiple.
2. a kind of isolated island comprehensive energy supply as described in claim 1 and safeguards system, which is characterized in that
The small-sized heap nuclear power equipment is small-sized reactor of nuclear power plant, passes through the access system and isolated island micro-capacitance sensor phase in switchyard
Connection；Or
The small-sized heap nuclear power equipment be nuclear power generation ship, by submarine cable directly with the access system in switchyard
It is connected；Or the output cable of the nuclear power generation ship is connected with the cable interface in a floating bridge device, the pontoon bridge dress
It is connected by the cable being laid with the access system of switchyard in setting.
3. a kind of isolated island comprehensive energy supply as claimed in claim 2 and safeguards system, which is characterized in that
The small-sized heap nuclear power equipment is small-sized reactor of nuclear power plant of the construction on the isolated island, and the small-sized reactor of nuclear power plant passes through
Switchyard access micro-capacitance sensor is powered for island load；
The distribution renewable energy generating system accesses the large capacity energy-storage system and super capacitor, the large capacity storage
Energy system and super capacitor are powered when the small-sized reactor of nuclear power plant breaks down and has a power failure or shut down for island load.
4. a kind of isolated island comprehensive energy supply as claimed in claim 2 and safeguards system, which is characterized in that
The small-sized heap nuclear power equipment is nuclear power generation ship, and the nuclear power generation ship is by submarine cable and is set to orphan
Switchyard on island is connected, and accesses micro-capacitance sensor by the switchyard and is powered for island load；
The distribution renewable energy generating system accesses the large capacity energy-storage system and super capacitor, the large capacity storage
Energy system and super capacitor are powered when the nuclear power generation ship breaks down and has a power failure or shut down for island load.
5. a kind of isolated island comprehensive energy supply as claimed in claim 2 and safeguards system, which is characterized in that
The distribution renewable energy generating system accesses the large capacity energy-storage system and super capacitor and charges, excellent
First it is powered for island load；
The small-sized heap nuclear power equipment is nuclear power generation ship, and the nuclear power generation ship periodically passes through submarine cable and setting
It is connected in the switchyard on isolated island, the access large capacity energy-storage system and super capacitor is filled by the switchyard
Electricity.
6. isolated island comprehensive energy supply as described in any one in claim 1-5 and safeguards system, which is characterized in that the switch
It stands and includes at least access system, transformer, breaker and bus, the access system is provided with small-sized heap nuclear power equipment and orphan
The interface that island micro-capacitance sensor interconnects.
7. isolated island comprehensive energy supply as described in any one in claim 1-5 and safeguards system, which is characterized in that micro- electricity
Net comprehensive control management centring system includes microgrid energy management system, and the microgrid energy management system includes:
Electric quantity acquisition module is used for online acquisition micro-capacitance sensor parameter and large capacity energy-storage system parameter information, the micro-capacitance sensor
Parameter includes voltage, electric current, active and reactive, frequency information, and the large capacity energy-storage system parameter includes voltage, electric current, charge and discharge
Power information；
Message processing module, for receiving micro-capacitance sensor parameter and large capacity energy-storage system parameter from electric quantity acquisition module,
By being integrated, being handled and being calculated analysis to the received information of institute, judge whether to need to carry out power regulation, and need determining
It carries out formulating power regulation strategy when power regulation, and generates control signal；
Power control module is executed for receiving the control signal from the message processing module according to the control signal
Corresponding active power regulation or reactive power are adjusted.
8. isolated island comprehensive energy supply as claimed in claim 7 and safeguards system, which is characterized in that
When message processing module, which determines voltage, fluctuation occurs beyond predetermined threshold, it is determined that need to start micro-capacitance sensor wattful power
Rate is adjusted；When message processing module, which determines frequency, fluctuation occurs beyond predetermined threshold, it is determined that need to start micro-capacitance sensor without
Function power regulation；
Wherein, the power control module further comprises active power regulation module and reactive power adjustment module；
The active power regulation module is used in electricity surplus, and control carries out large capacity energy-storage system and super capacitor group
Charging, and for when the power is insufficient, control to discharge to large capacity energy-storage system and super capacitor group, to realize wattful power
The dynamic equilibrium of rate；
The reactive power adjustment module, for by being thrown reactive power compensator, being cut operation to realize reactive power
Dynamic equilibrium.
9. isolated island comprehensive energy supply as described in any one in claim 1-5 and safeguards system, which is characterized in that micro- electricity
Net comprehensive control management centring system further comprises micro-capacitance sensor management system, and the micro-capacitance sensor management system includes: micro-capacitance sensor
Cabinet, micro-capacitance sensor communication screen, micro-capacitance sensor observing and controlling screen and micro-capacitance sensor centralized management system are accessed, it includes micro- that the micro-capacitance sensor, which surveys control flow,
Power grid Centralized Controller；
Wherein, micro-capacitance sensor Centralized Controller is used for real-time detection micro-capacitance sensor frequency, if detecting underfrequency, according to load
Priority successively cut-out loads from low to high, or adjustment distributed generation resource output, so that micro-capacitance sensor frequency is in normal
Range；
If detecting that frequency is excessively high, successively restored from high to low according to the priority of removed load, or adjustment
Distributed generation resource output, so that micro-capacitance sensor frequency is in normal range (NR).
10. isolated island comprehensive energy supply as claimed in claim 9 and safeguards system, which is characterized in that the micro-capacitance sensor is concentrated
Management system includes energy-storage system monitoring module, micro-capacitance sensor integrated supervision and at least one in statistical module and following modules
It is a: small-sized nuclear energy power generation monitoring module, wind-power electricity generation monitoring module, photovoltaic power generation monitoring module, diesel generation monitoring module, sea
Wave energy for generating electricity monitoring module, tidal power monitoring module, miniature gas power generation monitoring module, biomass power generation monitoring module and
Marine thermal gradient energy power generation monitoring module.
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