CN101783192B - Common control net for nuclear power station - Google Patents
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- CN101783192B CN101783192B CN2009101105813A CN200910110581A CN101783192B CN 101783192 B CN101783192 B CN 101783192B CN 2009101105813 A CN2009101105813 A CN 2009101105813A CN 200910110581 A CN200910110581 A CN 200910110581A CN 101783192 B CN101783192 B CN 101783192B
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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
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Abstract
The invention relates to a common control net for a nuclear power station, which comprises an electrical control subring net, a sub-control subring net and a monitoring layer ring net, wherein the electrical control subring net is used for being connected with a nuclear power station electrical system, and controlling and monitoring the connected nuclear power station electrical system; the sub-control subring net is used for being connected with a sub-system of the nuclear power station, and controlling and monitoring the connected sub-system of the nuclear power station; and the monitoring layer ring net is respectively connected with the electrical control subring net and the sub-control subring net in order to exchange data with the electrical control subring net and the sub-control subring net respectively and sends a corresponding operation command. The technical scheme of the invention solves the problem that the common system can not be controlled, which is generated by different retirement periods caused by different service life in the nuclear power station management; the invention can not be influenced by the set retirement, realizes the network control of the common system, improves the information exchange speed and increases the information exchange volume, reduces operators, improves the operable rate and the usability of the common system, and further improves the economy of the nuclear power station operation.
Description
Technical field
The present invention relates to common control net, more particularly, relate to a kind of common control net for nuclear power station.
Background technology
In the face of the nuclear power station Large scale construction; Because the batch by batch and stage by stage construction of each unit under the condition of the same factory site of nuclear power station; And the main equipment restriction that construction period is long, the life cycle in power station receives nuclear island can not infinitely be lengthened the life etc. and to be influenced; (control of the full factory synergic system control mode of many units now is modes of the administrative authorization that adopts for the control of full factory synergic system; Operate at the DCS of No. 1 machine (digital control system) master-control room, rack is placed on the electrical building of 1, No. 2 unit), and 1, No. 2 unit retired after; Build unit and 1, No. 2 retired asynchronism(-nization) of unit after needing to consider, and the existing control mode of the synergic system of bringing can't continue the problem in the master-control room realization.Be head it off, also the gamut data be provided simultaneously, need to make up the common control net network for full factory infosystem (KNS).
Simultaneously, the automatization level along with nuclear power generating sets control improved constantly in recent years, and the control system of nuclear power has generally adopted digital control system (DCS); But the backup system that matches with many covers main frame because of system's control features, is not included DCS control like the control of circulation, demineralized water production and distribution system, pressurized air production and distribution system, circular water treating system, donkey boiler room, condensed water precision processing system etc. in; The control of these backup systems realizes with PLC; Basically be that each subsystem is relatively independent, the operation of these systems disperses, and most systems need arrive local operation; System is very limited through the system information that hardwire transmits; Make troubles for system's operation, simultaneously, understand limited to system conditions because of the information of transmitting also causes the operations staff less.
At present, many thermal power stations adopt the assist control net to realize the control to backup system.But nuclear power station does not adopt the assist control network to realize industrial monitoring as yet, does not more adopt common control net that the synergic system of nuclear power station crowd heap is monitored.
Summary of the invention
The technical matters that the present invention will solve is; Nuclear power station to prior art does not adopt the assist control network to realize industrial monitoring as yet; More do not adopt common control net that the synergic system of nuclear power station crowd heap is monitored defective, a kind of common control net for nuclear power station is provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of common control net for nuclear power station, it comprises:
Electrical control subring net is used for being connected with the nuclear power station electrical system, and coupled nuclear power station electrical system is controlled and monitored;
Assist control subring net is used for being connected with the nuclear power station backup system, and coupled nuclear power station backup system is controlled and monitored;
The monitoring layer looped network, it is connected with assist control subring net with said electrical control subring net respectively, carrying out exchanges data with said electrical control subring net and assist control subring net respectively, and sends corresponding operational order.
In common control net for nuclear power station of the present invention, said monitoring layer looped network is the man-machine interface of said common control net for nuclear power station.
In common control net for nuclear power station of the present invention, on said monitoring layer looped network, be connected with a plurality of operator stations, at least one engineer station, at least one historical record station, at least one communication switcher and printer.
In common control net for nuclear power station of the present invention, said electrical control subring net is connected with said monitoring layer looped network through redundant server respectively with assist control subring net.
In common control net for nuclear power station of the present invention, said nuclear power station electrical system comprises: main switch station superhigh voltage distribution equipment, switchyard instrument and opertaing device, route protection system, DC power system, alternating-current system, auxiliary service power system, on-the-spot emergency power pack distribution system, low-voltage AC origin system and ac uninterrupted power supply system.
In common control net for nuclear power station of the present invention, said nuclear power station backup system comprises circulation, demineralized water production and distribution system, pressurized air production and distribution system, circular water treating system, donkey boiler room, condensed water precision processing system and Waste Water Treatment.
In common control net for nuclear power station of the present invention, in said assist control subring net, be provided with the PLC controller assemblies, be used for said nuclear power station backup system is controlled and monitored.
The common control net for nuclear power station of embodiment of the present invention has following beneficial effect: be integrated in the Control Network through the control with nuclear power station electrical system and nuclear power station backup system and control, solve in the nuclear power station crowd heap manager; The synergic system that the date of retirement difference that causes because of phase in longevity difference is brought is controlled uncontrollable problem; After adopting common control net, nuclear power station electrical system and nuclear power station backup system independently constitute Control Network, do not receive the retired influence of unit; Solved the control problem of crowd's heap manager; Realize the network control of synergic system simultaneously, improve speed of information exchange and increase the message exchange capacity, reduce the operations staff; Improve can behaviour the leading of synergic system, availability, and then improve the nuclear power station performance driving economy.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the system chart of common control net for nuclear power station of the present invention.
Embodiment
Technical scheme of the present invention can not realize Centralized Monitoring to nuclear power station is existing to the monitoring means of electrical system and backup system; Only can use limited hardwire or the very limited system data of communication interface transmission to give the operation personnel to the monitoring of nuclear power station electrical system, more can not lot of data be provided for nuclear power station power station infosystem (KNS).In order to reach Centralized Monitoring, and solve to the nuclear power station infosystem provides data, more important is to solve in the nuclear power station crowd heap manager, the problem that unit date of retirement difference and the nuclear power station electrical system brought and backup system can't effective monitorings.As shown in Figure 1, common control net for nuclear power station of the present invention can be realized the information monitoring control to nuclear power station electrical system and auxiliary control system.
The constructed common control net for nuclear power station of Fig. 1 mainly comprises two key-course looped networks and a monitoring layer looped network, and two key-course looped networks are respectively electrical control subring net and assist control subring net.
For electrical control subring net; It is synergic system that each group core power station has more than 40 electrical system approximately; Realize control in these systems of the nuclear power station that does not adopt common control net by DCS, the common part that generally is placed on DCS is realized, through the DCS communication of gateway with each unit.
After setting up common control net for nuclear power station; To technological sophistication be reduced to the influence to project progress of setting up common control net for nuclear power station and bringing (design, buying, install, debugging) as far as possible, this part hardware controls equipment still adopts the equipment identical with non-safe level DCS.These nuclear power station electrical systems make up an electrical control subring net, and with monitoring layer looped network swap data, wherein, the included system of nuclear power station electrical system is as shown in table 1 below through redundant server:
| Sequence number | System | Unit | Title | Mode | Quantity |
| 1 | GEW | 9，0 | Main switch station-superhigh voltage distribution equipment system | ||
| 2 | KKO4 | 0 | Switchyard instrument and opertaing device | ||
| 3 | KLP | 0 | 500KV route protection system | ||
| 4 | LBK | 0 | 110V DC power system (YA factory building demineralized water workshop and VA factory building donkey boiler) | DI27 | |
| 5 | LBL | 0 | 110V DC power system (UA and UD factory building) | DI22/AI7 | |
| 6 | LBM | 0 | 110V DC power system (TB factory building main switch station) | DI25 | |
| 7 | LBN | 0 | 110V DC power system (TB factory building main switch station) | DI17/AI7 | |
| 8 | LBO | 0 | 110V DC power system (TD factory building auxiliary switch station) | ||
| 9 | LBZ | 0 | The charge in batteries maintenance system | ||
| 10 | LBX | 0 | 110V DC power system (DY adds diesel power generation unit factory building) | ||
| 11 | LCX | 0 | 48V DC power system (DY adds diesel power generation unit factory building) | ||
| 12 | LGIA | 9，0 | 6.6KV alternating-current system | DCS | DI15/DO2 |
| 13 | LGIB | 9，0 | 6.6KV alternating-current system | DCS | DI11/DO2 |
| 14 | LGR | 9，0 | Auxiliary service power system | DCS | AI22/DO20/DI2 32 |
| 15 | LHT | 9，0 | On-the-spot emergency power pack distribution system | ||
| 16 | LHY | 0 | Low pressure 380V AC system (EM/EC) | ||
| 17 | LHS | 0 | 6.6KV interchange emergency power system---diesel engine | DI15 | |
| 18 | LKE | 0 | Low-voltage alternating current power supply 380V system (BX building) | ||
| 19 | LKF | 0 | Low-voltage alternating current power supply 380V system (TB factory building) | ||
| 20 | LKG | 0 | Low-voltage alternating current power supply 380V system (BA building) | ||
| 21 | LKJ | 0 | Low-voltage alternating current power supply 380V system (EL factory building) |
| 22 | LKL | 0 | Low-voltage alternating current power supply 380V system (UA factory building) | ||
| 23 | LKM | 0 | Low-voltage alternating current power supply 380V system (AC factory building) | DI6 | |
| 24 | LKO | 0 | Low-voltage alternating current power supply 380V system (AD building) | ||
| 25 | LKQ | 0 | Low-voltage alternating current power supply 380V system (BOP auxiliary device and TB factory building) | ||
| 26 | LKR | 0 | Low-voltage alternating current power supply 380V system (cold machine maintenance warehouse) | ||
| 27 | LKS | 0 | Low-voltage alternating current power supply 380V system (AA factory building) | ||
| 28 | LKT | 0 | Low-voltage alternating current power supply 380V system (BX building) | ||
| 29 | LKU | 0 | Low-voltage alternating current power supply 380V system (YA factory building) | ||
| 30 | LKV | 0 | Low-voltage alternating current power supply 380V system (YA factory building) | DI6 | |
| 31 | LKW | 0 | Low-voltage alternating current power supply 380V system (VA/ZC factory building) | DI6 | |
| 32 | LKX | 0 | BOP utility appliance AC 380V power-supply system (VA/ZC factory building) | ||
| 33 | LKY | 0 | 380V power-supply system (AF factory building) | ||
| 34 | LKZ | 0 | Low-voltage alternating current power supply 380V system (AA factory building) | DI6 | |
| 35 | LLX | 0 | Low-voltage alternating-current emergency power pack 380V system (additional diesel generator set) | ||
| 36 | LLY | 0 | The low-voltage alternating-current switchboard 380V system (EM factory building) of meeting an urgent need | ||
| 37 | LLZ | 0 | The low-voltage alternating-current switchboard 380V system (UA factory building) of meeting an urgent need | DI4 | |
| 38 | LNK | 0 | 220V ac uninterrupted power supply system (YA demineralized water workshop and VA donkey boiler factory building) | DI13/AI3 | |
| 39 | LNL | 0 | 220V ac uninterrupted power supply system (UA/UD factory building) | DI12/AI3 | |
| 40 | LNM | 0 | 220V ac uninterrupted power supply system (TB factory building main switch station) | DI17/AI3 | |
| 41 | LNN | 0 | 220V ac uninterrupted power supply system (TD factory building auxiliary switch station) | ||
| 42 | LNQ | 0 | 220V ac uninterrupted power supply system | ||
| 43 | LNW | 0 | 220V ac uninterrupted power supply system | ||
| 44 | LNY | 0 | 220V ac uninterrupted power supply (the EM/EC of system |
| Factory building) | |||||
| 45 | LKW | 0 | Low-voltage alternating current power supply 380V system (VA/ZC factory building) |
Table 1
For, assist control subring net (BOP net): the nuclear power station backup system is generally realized by PLC.The nuclear power station backup system mainly comprises: circulation (XCRF), demineralized water production and distribution system (9SED/9SER/0SDA), pressurized air production and distribution (0SAP/9SAR/9SAT) system, circular water treating system (XCTE), donkey boiler room (0XCA), condensed water precision processing system (XATE), waste water processing station (SEO) etc.; Because these backup systems and workshop are not directly related with any nuclear safety function, so will adopt the instrument and the control system of non-safe level.The control system that backup system adopts programmable logic controller (PLC) (PLC) processing industry controller (PC) to constitute is monitored.Each system has overlaps independently PLC controller, and necessary information is sent master-control room.
Not adopting the preceding controlling schemes of common control net is that each backup system pulpit is on the spot separately controlled, and the master-control room operator can not directly control these systems.
In common control net for nuclear power station of the present invention, include demineralized water production and distribution system, pressurized air production and distribution system, donkey boiler room, hydrogen manufacturing, system chlorine, various wastewater treatment, condensed water precision processing system, each ventilating system in the common control net for nuclear power station scope, and the control to the influential system of safety is realized by DCS still for PX pump house etc.
All the other pulpit cancellations on the spot only are provided with electric room on the spot.No longer establish conventional operator on duty, realize unattendedly, the workshop only is set patrols and examines personnel.The part system can keep local host computer, the expedient during as Start-up and Adjustment and network failure in the electric room on the spot.
Used PLC controller adopts same brand as far as possible in the assist control subring net, reduces the protocol violation and the communication failure that bring because of the brand difference.Redundant server is crossed with monitoring layer looped network swap data by this assist control subring Netcom.
For the monitoring layer looped network, this looped network is used for keeping watch on and assigning operational order, is the man-machine interface of operator and control system.It is furnished with a plurality of (2～4) individual operator station, at least one engineer station, at least one historical record station, at least one is used for switch and printer with DCS and KNS communication, and wherein, the engineer station is mainly assist control subring net and uses.The control rack of electrical control subring net is stood with DCS public work teacher.The all devices of this looped network is arranged in public pulpit and shared electron equipment room.
For the nuclear power station with 4 1,000,000 units, it belongs to group stack operation, and employing DCS is a control device.The unit common part divides No. 0 system (4 machines are public) and 8, No. 9 systems (2 machines are public) again.To this project condition, setting up common control net for nuclear power station should begin from the assist control subring net of implementing the most easily.
25 synergic systems of the type nuclear power station having approximately adopt PLC control, and in line with easy to maintenance and the needs that reduce spare part, this power station PLC adopts the PLC of same brand basically, are main with the CONTROLLOGIX of AB company.Adopt same brand not have the hardware and software conflict, this is to set up assist control subring net to have created good condition.As long as adopt switch or other forms of network interface that each PLC controller is coupled together, the corresponding network management software is moved at public operator station and engineer station and historical data station in the configuration, just can realize assist control subring net.Key-course realizes through redundant server that with the exchanges data of supervisory layers the picture of supervisory layers is provided with by the network development personnel are unified, disposes suitable same DCS and the communication interface of KNS, can important information on this subnet and even full detail transmission be got on.
The opertaing device of this common control net for nuclear power station can be arranged in certain master-control room of 4 units, also can be arranged in chemistry system water management chamber, and with regard to objective condition, it is the most desirable to be arranged in chemistry system water management chamber.
Setting up electrical control subring net can carry out with assist control subring net simultaneously; Also can set up the back at assist control subring net implements; Set up but nuclear power station does not get into the cold examination stage yet like assist control subring net, can implement immediately, otherwise when major overhaul, implement.
This nuclear power station electrical system adopts with the identical hardware and software of DCS and realizes control; Synergic system itself is exactly a control looped network; Just data are sent to the instruction that shows and accept operator station on the main DCS through gateway; The open OPC of DCS (operator's control program) gives assist control subring net, and electrical control subring net breaks off the interface with each DCS, incorporates the common control net for nuclear power station monitoring into; At the operator station of common control net for nuclear power station configuration control picture, realize with the interface of DCS by common control net for nuclear power station with the communication of each DCS.Working as certain the retired common control net for nuclear power station that can not influence of unit like this moves.
The present invention describes through several specific embodiments, it will be appreciated by those skilled in the art that, without departing from the present invention, can also carry out various conversion and be equal to alternative the present invention.In addition, to particular condition or concrete condition, can make various modifications to the present invention, and not depart from the scope of the present invention.Therefore, the present invention is not limited to disclosed specific embodiment, and should comprise the whole embodiments that fall in the claim scope of the present invention.
Claims (6)
1. a common control net for nuclear power station is characterized in that, comprising:
Electrical control subring net is used for being connected with the nuclear power station electrical system, and coupled nuclear power station electrical system is controlled and monitored;
Assist control subring net is used for being connected with the nuclear power station backup system, and coupled nuclear power station backup system is controlled and monitored;
The monitoring layer looped network, it is connected with assist control subring net with said electrical control subring net respectively, carrying out exchanges data with said electrical control subring net and assist control subring net respectively, and sends corresponding operational order;
Said monitoring layer looped network is the man-machine interface of said common control net for nuclear power station.
2. common control net for nuclear power station according to claim 1 is characterized in that, on said monitoring layer looped network, is connected with a plurality of operator stations, at least one engineer station, at least one historical record station, at least one communication switcher and printer.
3. according to the arbitrary described common control net for nuclear power station of claim 1～2, it is characterized in that said electrical control subring net is connected with said monitoring layer looped network through redundant server respectively with assist control subring net.
4. according to the arbitrary described common control net for nuclear power station of claim 1～2; It is characterized in that said nuclear power station electrical system comprises: main switch station superhigh voltage distribution equipment, switchyard instrument and opertaing device, route protection system, DC power system, alternating-current system, auxiliary service power system, on-the-spot emergency power pack distribution system, low-voltage AC origin system and ac uninterrupted power supply system.
5. according to the arbitrary described common control net for nuclear power station of claim 1～2; It is characterized in that said nuclear power station backup system comprises circulation, demineralized water production and distribution system, pressurized air production and distribution system, circular water treating system, donkey boiler room, condensed water precision processing system and Waste Water Treatment.
6. according to the arbitrary described common control net for nuclear power station of claim 1～2, it is characterized in that, in said assist control subring net, be provided with the PLC controller assemblies, be used for said nuclear power station backup system is controlled and monitored.
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| WO2017101031A1 (en) * | 2015-12-15 | 2017-06-22 | 中广核工程有限公司 | Nuclear power plant reactor protection system and safety control method therein |
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| CN105575448B (en) * | 2015-12-15 | 2017-10-31 | 中广核工程有限公司 | Nuclear power plant reactor protects system and method for controlling security therein |
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Address after: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee after: CHINA GENERAL NUCLEAR POWER Corp. Patentee after: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. Address before: 518023 No. 69 Shennan Middle Road, Shenzhen, Guangdong, Futian District Co-patentee before: CHINA GUANGDONG NUCLEAR POWER GROUP Co.,Ltd. Patentee before: CHINA NUCLEAR POWER ENGINEERING Co.,Ltd. |
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