CN106340332A - Nuclear power station digital protection control system - Google Patents
Nuclear power station digital protection control system Download PDFInfo
- Publication number
- CN106340332A CN106340332A CN201610893767.0A CN201610893767A CN106340332A CN 106340332 A CN106340332 A CN 106340332A CN 201610893767 A CN201610893767 A CN 201610893767A CN 106340332 A CN106340332 A CN 106340332A
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- Prior art keywords
- protection
- control system
- rack
- signal
- safety
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/001—Computer implemented control
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
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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
- Y02E30/00—Energy generation of nuclear origin
Abstract
The invention discloses a nuclear power station digital protection control system. The system comprises at least one sub protection control system, the sub protection control system comprises three mutually independent safety protection cabinets, each safety protection cabinet performs threshold determining on received onsite acquisition signals and sends a determination result to other safety protection cabinets, and the safety protection cabinets receiving the determination results perform logic operation on the received determination results with the determination results of their own and take results of the logic operation as motion instructions of the cabinets for external output. Compared to the prior art, through designing a digital computer control system and providing the multiple sub protection control systems with logic operation and determining functions, misoperation and failure operation probabilities of the control system are substantially reduced, and the reliability, the visibility and the operability of the control system are improved.
Description
Technical field
A kind of the invention belongs to nuclear power field, it is more particularly related to Protection control system of nuclear power station.
Background technology
Traditional nuclear power station security level Protection control system is based on simulation and relay protection circuit, and analog circuit is anti-interference
Poor performance, analogue signal cannot be processed and be carried out using computer processor logical judgment, and operator needs many in control room
On individual simulation instrument Panel monitor and operate, the implementation of this analog systemss in reliability, availability, visuality, can grasp
The property made, the aspects such as human-equation error that reduce, compared with digitization system, all relatively backward.Additionally, analog systemss routine test,
The aspect complex operations such as maintenance, cost of equipment maintenance is high.
Existing nuclear power generating sets are built in eighties of last century mostly, and its Protection control system also adopts analog circuit and relay protection etc.
Backward technology relatively, there is presently no the digital improvement case of the Protection control system of the nuclear power station having been carried out.
In view of this, it is necessory to provide a kind of nuclear plant digital Protection control system that can solve the problem that the problems referred to above.
Content of the invention
It is an object of the invention to: overcome the deficiencies in the prior art, a kind of nuclear plant digital Protection control system is provided,
To reduce malfunction and the tripping probability of control system, reduce the human-equation error risk of control system, significantly improve control system
Reliability, availability, visuality and operability.
To achieve these goals, the present invention provides a kind of nuclear plant digital Protection control system, and it includes at least one
Cover Protection control system, three safety independent mutually that sub- Protection control system includes receiving collection in worksite signal are protected
Shield rack, wherein, the collection in worksite receiving signal is carried out threshold decision by each safeguard protection rack, and will determine that result is sent out
Give other one or two safeguard protection racks, receive the safeguard protection rack of judged result by the judged result receiving
Carry out logical operationss with the judged result of this rack, and the result of logical operationss is externally defeated as the action command of this rack
Go out.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described safeguard protection rack is based on meter
Calculation machine processor simultaneously comprises a set of software and hardware system of systems soft ware and signal processing function.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described safeguard protection rack adopts hot standby
The cpu of redundancy and single io structure.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described safeguard protection rack will determine that knot
Fruit is sent to other safeguard protection racks, is to will determine that result is sent to other by point-to-point unidirectional serial communication and protects safely
Shield rack.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described point-to-point serial communication adopts
The mode of Phototube Coupling is transmitted.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described sub- Protection control system is wherein
A set of for trip protection system, the collection in worksite receiving signal is entered by each safeguard protection rack of described trip protection system
Row threshold decision, and will determine that result is sent to other two safeguard protection racks, three are pacified by each safeguard protection rack again
The judged result of full guard rack carries out the compound logic computing of two from three, and result the stopping as this rack using logical operationss
Heap instruction externally exports.
As one kind improvement of nuclear plant digital Protection control system of the present invention, the safety of described trip protection system is protected
It is related to Reactor trip that the collection in worksite signal that shield rack receives includes neutron flux, major loop pressure, major loop temperature etc.
Signal.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described sub- Protection control system has four
Set, wherein two sets is described trip protection system, a set of for emergence core stacking cool system, a set of for containment control system, should
The action command of anxious core cooling system and the external output of containment control system is that safe action instructs.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described four cover Protection control systems divide
For two groups, first group of system includes trip protection system and emergence core stacking cool system, and second group of system includes Reactor trip system
System and containment control system, two groups of systems are physically and functionally mutually isolated.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described two groups of systems are physically segregated
Realize in the following manner, described first group of system is arranged in main control region, described second group of system is arranged in the second control zone
Domain, is mutually isolated to the sensor of two groups of systems, cable, cable testing bridge and power supply unit respectively from scene.
As one kind improvement of nuclear plant digital Protection control system of the present invention, the peace of described emergence core stacking cool system
It is related to the ad hoc safe action of reactor that the collection in worksite signal that full guard rack receives includes pressure, temperature, liquid level etc.
Signal.
One kind improvement, described emergence core stacking cool system and peace as nuclear plant digital Protection control system of the present invention
Full shell control system each also includes at least one security control rack, security control rack be based on computer processor and
Comprise a set of software and hardware system of systems soft ware and signal processing function, security control rack can receive described safe action and refer to
Order, and according to the different protection equipment action of safe action order-driven.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described security control rack adopts hot standby
The cpu of redundancy and single io structure.
One kind improvement, described emergence core stacking cool system and peace as nuclear plant digital Protection control system of the present invention
Full shell control system each also includes at least one device interface module, and the corresponding ad hoc safety of each device interface module sets
Standby, device interface module can coordinate security control rack to drive protection equipment action, and collection protection equipment
The signal of feedback.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described device interface module collection is ad hoc
Safety equipment feedback signal, be collection protection equipment feedback status information, drive feedback, self-diagnosis information signal.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described device interface module is just provided with
Ground control function.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described nuclear plant digital protection controls
System also includes son variation drive system, and son variation drive system can receive collection in worksite signal, and passes through fpga skill
The collection in worksite signal that art or cpld interface differential technique receive carries out logical operationss, then the result of logical operationss is exported sets to shutdown
Standby and protection equipment.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described nuclear plant digital protection controls
System also includes system bus looped network, the peace of described trip protection system, emergence core stacking cool system and containment control system
Full guard rack is connected with system bus looped network respectively.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described safeguard protection rack is total with system
Between wire loop net by the way of Phototube Coupling transmission information.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described nuclear plant digital protection controls
System also includes one layer of gateway of safe level, and the safeguard protection rack of emergence core stacking cool system or containment control system is by signal
One layer of gateway of safe level is sent to by system bus looped network, one layer of gateway of safe level forwards a signal to outside non-security series
In word networked control systems.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described nuclear plant digital protection controls
System also includes one layer of gateway of safe level, and described emergence core stacking cool system and containment control system always each also include safety
Wire loop net data transmission unit, signal is passed through by the security control rack of emergence core stacking cool system or containment control system
Safety bus looped network is sent to data transmission unit, and data transmission unit sends signal to safety by system bus looped network again
One layer of gateway of level, one layer of gateway of safe level forwards a signal in outside non-security digitalized control system.
One kind improvement, described emergence core stacking cool system and peace as nuclear plant digital Protection control system of the present invention
Full shell control system also each includes safety-related rack, the safety bus of safety-related rack and the sub- Protection control system that is located
Looped network is connected, for realizing the control to water system, electric power system, main steam shielding system or moderator cooling system.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described safety-related rack and the son that is located
The safety bus looped network of Protection control system transmission information by the way of Phototube Coupling.
One kind improvement, described emergence core stacking cool system and peace as nuclear plant digital Protection control system of the present invention
Full shell control system also each includes at least one security control display device, and security control display device is protected with the son that is located respectively
The safety bus looped network of shield control system is connected, and can show from safeguard protection rack, security control rack and safe phase
Close the signal of rack, and send instruction to security control rack and realize to the control of protection equipment, to safety-related machine
Cabinet sends instruction and realizes the control to safety-related equipment.
One kind improvement, described security control display device and institute as nuclear plant digital Protection control system of the present invention
Sub- Protection control system safety bus looped network by the way of Phototube Coupling transmission information.
As one kind improvement of nuclear plant digital Protection control system of the present invention, described nuclear plant digital protection controls
System also includes back-up operation disk, when security control display device fault, back-up operation disk can by display lamp, alarm lamp,
Digital display meter, pointer, manual operator, switch or button display safety information.
Compared with prior art, nuclear plant digital Protection control system of the present invention has following technical effect that by setting
Count digitized computer control system, and multiple sub- Protection control systems with logical operationss and arbitration functions are provided, show
Write malfunction and the tripping probability reducing control system, decrease the human-equation error risk of control system, improve control system
Reliability, availability, visuality and operability.
Brief description
With reference to the accompanying drawings and detailed description, to nuclear plant digital Protection control system of the present invention and its beneficial skill
Art effect is described in detail.
Fig. 1 is the structural representation of nuclear plant digital Protection control system of the present invention.
Fig. 2 is the block schematic illustration of nuclear plant digital Protection control system of the present invention.
Specific embodiment
In order that the purpose of the present invention, technical scheme and technique effect become apparent from understanding, below in conjunction with accompanying drawing with specifically
Embodiment, the present invention will be described in further detail.It should be appreciated that the specific embodiment described in this specification
Just for the sake of explaining the present invention, it is not intended to limit the present invention.
Nuclear plant digital Protection control system of the present invention includes at least one cover Protection control system, and sub- protection controls system
System includes receiving three safeguard protection racks independent mutually of collection in worksite signal, wherein, each safeguard protection rack
The collection in worksite receiving signal is carried out threshold decision, and will determine that result is sent to other one or two safeguard protection machines
Cabinet, the judged result of the judged result receiving and this rack is carried out logic fortune by the safeguard protection rack receiving judged result
Calculate, and the result of logical operationss is externally exported as the action command of this rack.
Refer to shown in Fig. 1, in the shown embodiment, nuclear plant digital Protection control system of the present invention includes safety
Level dcs (digital control system, Digitizing And Control Unit), gw-l1 (one layer of gateway) and das (duplicate
Actuate system, diversified drive system).Safe level dcs includes two sets of trip protection system, two sets of ad hoc safety are
System, system bus (system bus) looped network.
Respectively independent mutually sds1 and sds2 of two sets of trip protection system.Wherein, sds1 (no.1 shutdown
System, No. 1 reactor shut-off system) rack be arranged in mca (main control area, main control region), sds2 (no.2
Shutdown system, No. 2 reactor shut-off systems) rack be arranged in sca (secondary control area, the second control zone
Domain), all physically mutually isolated to the sensor of two sets of systems, cable, cable testing bridge and power supply unit from scene.
Often the instrument of set trip protection system and control are all divided into three autonomous channels, and wherein sds1 is divided into d, e, f tri-
Passage, sds2 is divided into tri- passages of g, h, j.Often the set sensor of three passages of trip protection system, cable, cable testing bridge,
Rack is all separate configurations.
Introduce trip protection system below taking sds2 as a example.Sds2 includes three spc (safety protection
Cabinet, safeguard protection rack).Instrument measurement loop signal (i.e. level0 signal) from scene is through distributer
(signal distribution fastener) respectively enters the spc of tri- passages of g, h, j.Spc is based on microprocessor and to comprise systems soft ware, letter
Number processing function and a set of software and hardware system of shutdown Logical Configuration function, spc adopts the cpu and single io knot of hot backup redundancy
Structure.Three spc of sds2 are connected by the transmission means of Phototube Coupling with system bus looped network respectively, will to meet isolation
Ask.
The spc rack of each passage is by the collection in worksite receiving signal (such as neutron flux, major loop pressure, master
The signal related to Reactor trip such as loop temperature) carry out threshold decision, and will determine that result by point-to-point unidirectional serial
Communication is sent to the spc of other two passages, and the transmission information by the way of Phototube Coupling of the communication between each spc, with full
Sufficient insulation request.The threshold decision result of three passages is carried out, after the compound logic computing of two from three, computing being tied by each spc
Fruit externally exports as the shutdown instruction of this passage.This processing mode independently carries out shutdown with each passage of former candu6
The mode of logical judgment output is compared, and reduces malfunction probability and the tripping probability of control system, improves the reliability of system.
Two sets of engineered safety systems are respectively eccs (emergency core cooling system, emergent Core cooling
System) and containment (containment system).Wherein, the rack of eccs is arranged in mca, the rack arrangement of containment
In sca.All physically mutually isolated to the sensor of two sets of systems, cable, cable testing bridge and power supply unit from scene.
The system in system and sca in mca is functionally and physically all mutually isolated.
The instrument of eccs and control be divided into tri- autonomous channels of k, l, m, the instrument of containment and control be divided into n, p,
Tri- autonomous channels of q.Often the sensor of three passages of set engineered safety system, cable, cable testing bridge, rack are all independently to join
Put.
Introduce engineered safety system below taking containment as a example.Containment includes three spc, a src
(safety related cabinet, safety-related rack), at least one scc (safety control cabinet, safety
Control rack), at least one dim (device interface module, device interface module), at least one scdd
(safety control and display device, security control display device), dtu (date transfer unit,
Data transmission unit) and safety bus (safety bus) looped network.
Instrument measurement loop signal (i.e. level0 signal) from scene is through distributer (signal distribution fastener)
Respectively enter the spc of tri- passages of n, p, q.Spc is based on microprocessor and to comprise systems soft ware, signal processing function and stop
A set of software and hardware system of heap Logical Configuration function, spc adopts the cpu of hot backup redundancy and single io structure.Containment's
Three spc are connected by the transmission means of Phototube Coupling with system bus looped network, safety bus looped network respectively, to meet
Insulation request.
The spc rack of each passage is by the collection in worksite receiving signal (such as pressure, temperature, liquid level etc. and reaction
The related signal of the ad hoc safe action of heap) carry out threshold decision, and it is a little right to control configuration algorithm to will determine that result is passed through according to spc
The unidirectional serial communication of point is sent to the spc of other one or two passages, and the communication between each spc adopts Phototube Coupling
Mode transmission information, to meet insulation request.Receiving the spc of judged result controls configuration algorithm will receive according to spc
Judged result carries out logical operationss with the judged result of this passage spc, and will be ad hoc as this passage for the result of logical operationss
Safe action instruction externally exports.Wherein spc controls the design drawing that configuration algorithm is according to eccs to carry out signal distribution and patrol
The algorithm of volume design, the distribution of such as steam generator urgent cooling signal is processed in three passages, containment water filling signal strange
Number and even segments assignment of logical are processed in two passages.
Scc is based on computer processor and a set of software and hardware system of comprising systems soft ware and signal processing function.
Scc adopts the cpu of hot backup redundancy and single io structure.Scc can set according to the different ad hoc safety of safe action order-driven
Standby action.The quantity of scc can determine according to concrete device packets situation.Each scc and safety bus looped network pass through photoelectricity every
From transmission means be connected, to meet insulation request.
The ad hoc safe action instruction of the spc output of three passages, sends scc to by safety bus looped network, and by
Dim coordinates scc to realize the drive actions to each protection equipment.The driving function of protection equipment can be according to specifically leading to
The requirement of road isolation and equipment blocking distributes in multiple scc.
Each dim corresponds to a live protection equipment.Dim is realized excellent using redundancy cpld technology or fpga technology
First level processing function, it can judge to the different protection equipment driving instruction advanced row major level receiving, more defeated
Go out to protection equipment.Dim is additionally operable to gather the signal of protection equipment feedback, the such as shape of protection equipment feedback
State information, drive feedback, self-diagnosis information signal.For the ease of being safeguarded to live protection equipment and testing, often
Individual dim is both provided with control function on the spot.Additionally, dim needs coupled system to realize routine test function.
Src is used for realizing the control of safety-related systems function, and such as emergence watering system, sca electric power system, eps supply
The safety-related systems such as electric system, sca water system, main steam shielding system, moderator cooling system, Core cooling monitoring system
System.Src is connected by the transmission means of Phototube Coupling with safety bus looped network, to meet insulation request.
Scdd is a control display processing unit carrying man machine interface, is derived from the letter of spc, scc and src for display
Breath, and send the control to protection equipment and safety-related equipment for the instruction realization to scc, src.Scdd and safety
Bus looped network is connected by the transmission means of Phototube Coupling, to meet insulation request.Scdd is led to the signal exchange of scc, src
Cross safety bus looped network to realize.Scdd may be installed in main control room operator's dish platform or in back-up operation dish platform.scdd
Quantity can be configured as needed.
The structure of eccs is similar with containment, does not repeat herein.
Refer to shown in Fig. 1, non-security level dcs outside to nuclear plant digital Protection control system for safe level dcs is defeated
Go out information to be accomplished by.Signal is sent to by scc or src of engineered safety system by safety bus looped network
Dtu, then a pair of gw-l1 on system bus looped network is transmitted to by dtu.Signal is passed through by the spc of engineered safety system
System bus looped network sends gw-l1 to.The signal of safe level dcs is delivered to non-security level dcs by gw-l1, to realize these letters
The functions such as the display number in non-security level dcs, warning, daily record.Safe level dcs is to the communication of non-security level dcs output information
Link transmission information by the way of Phototube Coupling, to meet insulation request.
Because said system is using totally digitilized scheme, and it is the computer system based on microprocessor, thus exist
There is the probability of software system common mode failure, common mode failure can cause the tripping of the trip protection system in matters of aggravation, lead
Cause serious consequence.Therefore the present invention arranges a set of das as the variation side of sds2 and containment in sca in sca
Case.
Das is not with microprocessor as control core, but fastener based on fpga technology or cpld technology is used as control
Core processed.Gone to the collection in worksite signal such as important parameter of sds2 and containment to pass through before entering spc by scene
Distributer is assigned to das with the transmission means of Phototube Coupling, and carries out the redundancy logic computing of major function in das,
Finally export to shutdown equipment and protection equipment.Inside das, there is autotest program, can be checked by routine test
The situation of system operation, the potential fault of the system that detects.
For preventing the common mode failure of computer software, provide the multiformity of Reactor trip, the present invention is in main control room
Setting ecp (emergency control panel, emergency control panel) and bup (back-up panel, back-up operation disk).When
When scdd is in normal condition, ecp directly sends the manual safety action commands such as shutdown, chaser, peace note, container spray.When
When scdd is unavailable, bup can directly display safety by display lamp, alarm lamp, digital display meter, pointer, manual operator, switch, button
Level information, and directly transmit instruction to field apparatus or spc, dim.The priority processing function of dim can be to from spc
Hardwire instruction, the protection act instruction of scc and the device drives such as the instruction instruction of das between priority sentenced
Fixed, it is then output to field apparatus driving equipment action.
Can be seen that with respect to prior art in conjunction with above detailed description of the present invention, nuclear plant digital of the present invention
The Advantageous Effects of Protection control system include but is not limited to: by the computer control system of design based on digital, and provide
Multiple sub- Protection control systems with logical operationss and arbitration functions, the malfunction and the tripping that significantly reduce control system are general
Rate, decreases the human-equation error risk of control system, improves the reliability of control system, availability, visual and operable
Property.
According to above-mentioned principle, the present invention can also carry out suitable change and modification to above-mentioned embodiment.Therefore, this
Bright be not limited to specific embodiment disclosed and described above, should also be as falling into this to some modifications and changes of the present invention
In the scope of the claims of invention.Although additionally, employing some specific terms, these terms in this specification
Merely for convenience of description, any restriction is not constituted to the present invention.
Claims (20)
1. a kind of nuclear plant digital Protection control system, including at least one cover Protection control system, sub- Protection control system
Including can receive collection in worksite signal three safeguard protection rack independent mutually it is characterised in that: each safeguard protection
The collection in worksite receiving signal is carried out threshold decision by rack, and will determine that result is sent to other one or two safety and protects
Shield rack, the judged result of the judged result receiving and this rack is patrolled by the safeguard protection rack receiving judged result
Collect computing, and the result of logical operationss is externally exported as the action command of this rack.
2. nuclear plant digital Protection control system according to claim 1 it is characterised in that: described safeguard protection rack
It is based on computer processor and a set of software and hardware system of comprising systems soft ware and signal processing function.
3. nuclear plant digital Protection control system according to claim 2 it is characterised in that: described safeguard protection rack
Cpu and single io structure using hot backup redundancy.
4. nuclear plant digital Protection control system according to claim 2 it is characterised in that: described safeguard protection rack
Will determine that result is sent to other safeguard protection racks, be to will determine that result is sent to it by point-to-point unidirectional serial communication
His safeguard protection rack.
5. nuclear plant digital Protection control system according to claim 4 it is characterised in that: described point-to-point serial
Communication is transmitted by the way of Phototube Coupling.
6. the nuclear plant digital Protection control system according to any one of claim 2-5 it is characterised in that: described son
Protection control system wherein a set of for trip protection system, each safeguard protection rack of described trip protection system will receive
To collection in worksite signal carry out threshold decision, and will determine that result is sent to other two safeguard protection racks, each safety
The judged result of three safeguard protection racks is carried out the compound logic computing of two from three by protection rack again, and by logical operationss
Result externally exports as the shutdown instruction of this rack.
7. nuclear plant digital Protection control system according to claim 6 it is characterised in that: described trip protection system
The collection in worksite signal that receives of safeguard protection rack include neutron flux, major loop pressure, major loop temperature etc. and shutdown
The related signal of protection.
8. nuclear plant digital Protection control system according to claim 6 it is characterised in that: described sub- protection controls system
System has four sets, and wherein two sets is described trip protection system, a set of for emergence core stacking cool system, a set of control system for containment
The action command that system, emergence core stacking cool system and containment control system externally export is that safe action instructs.
9. nuclear plant digital Protection control system according to claim 8 it is characterised in that: described four covers protection control
System processed is divided into two groups, and first group of system includes trip protection system and emergence core stacking cool system, and second group of system includes stopping
Heap protection system and containment control system, two groups of systems are physically and functionally mutually isolated.
10. nuclear plant digital Protection control system according to claim 8 it is characterised in that: described emergent reactor core is cold
But the collection in worksite signal that the safeguard protection rack of system receives include pressure, temperature, liquid level etc. with reactor ad hoc safety
The related signal of action.
11. nuclear plant digital Protection control systems according to claim 8 it is characterised in that: described emergent reactor core is cold
But system and containment control system each also include at least one security control rack, and security control rack is based on computer
Processor simultaneously comprises a set of software and hardware system of systems soft ware and signal processing function, and security control rack can receive described
Safe action instructs, and according to the different protection equipment action of safe action order-driven；Described security control rack is adopted
Cpu and single io structure with hot backup redundancy.
12. nuclear plant digital Protection control systems according to claim 11 it is characterised in that: described emergent reactor core is cold
But system and containment control system each also include at least one device interface module, corresponding one of each device interface module
Protection equipment, device interface module can coordinate security control rack to drive protection equipment action, and collection is specially
If the signal of safety equipment feedback.
13. nuclear plant digital Protection control systems according to claim 12 it is characterised in that: described equipment interface mould
Block gather protection equipment feedback signal, be collection protection equipment feedback status information, drive feedback, self diagnosis
Information signal.
14. nuclear plant digital Protection control systems according to claim 12 it is characterised in that: described equipment interface mould
Block is provided with control function on the spot.
15. nuclear plant digital Protection control systems according to claim 8 it is characterised in that: described nuclear power station numeral
Change Protection control system and also include son variation drive system, son variation drive system can receive collection in worksite signal, and
Logical operationss are carried out by the collection in worksite signal that fpga technology or cpld interface differential technique receive, then will be defeated for the result of logical operationss
Go out to shutdown equipment and protection equipment.
16. nuclear plant digital Protection control systems according to claim 8 it is characterised in that: described nuclear power station numeral
Change Protection control system and also include system bus looped network, described trip protection system, emergence core stacking cool system and containment control
The safeguard protection rack of system processed is connected with system bus looped network respectively；Between described safeguard protection rack and system bus looped network
Transmission information by the way of Phototube Coupling.
17. nuclear plant digital Protection control systems according to claim 16 it is characterised in that: described nuclear power station numeral
Change Protection control system and also include one layer of gateway of safe level, the safeguard protection of emergence core stacking cool system or containment control system
Rack sends signal to safe level one layer of gateway by system bus looped network, and one layer of gateway of safe level forwards a signal to outside
In non-security digitalized control system.
18. nuclear plant digital Protection control systems according to claim 11 it is characterised in that: described nuclear power station numeral
Change Protection control system and also include one layer of gateway of safe level, described emergence core stacking cool system and containment control system are each also
Including safety bus looped network data transmission unit, the security control rack of emergence core stacking cool system or containment control system
Signal is sent to data transmission unit by safety bus looped network, signal is passed through system bus looped network by data transmission unit again
Send one layer of gateway of safe level to, one layer of gateway of safe level forwards a signal in outside non-security digitalized control system.
19. nuclear plant digital Protection control systems according to claim 18 it is characterised in that: described emergent reactor core is cold
But system and containment control system also each include safety-related rack, safety-related rack and the sub- Protection control system that is located
Safety bus looped network be connected, for realize to water system, electric power system, main steam shielding system or moderator cooling system
Control；Described safety-related rack is passed by the way of Phototube Coupling with the safety bus looped network of the sub- Protection control system that is located
Defeated information.
20. nuclear plant digital Protection control systems according to claim 19 it is characterised in that: described emergent reactor core is cold
But system and containment control system also each include at least one security control display device, and security control display device is respectively
It is connected with the safety bus looped network of the sub- Protection control system that is located, and can show from safeguard protection rack, controller for safety
Cabinet and the signal of safety-related rack, and to security control rack send instruction realize to the control of protection equipment, to
Safety-related rack sends instruction and realizes the control to safety-related equipment；Described security control display device and the son protection that is located
The safety bus looped network of control system transmission information by the way of Phototube Coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893767.0A CN106340332A (en) | 2016-10-13 | 2016-10-13 | Nuclear power station digital protection control system |
Applications Claiming Priority (1)
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| CN107291062A (en) * | 2017-04-01 | 2017-10-24 | 福建福清核电有限公司 | A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core |
| CN107505887A (en) * | 2017-08-30 | 2017-12-22 | 北京广利核系统工程有限公司 | Security control display unit, the safety control system with display unit and method |
| CN108173730A (en) * | 2017-11-24 | 2018-06-15 | 中核控制系统工程有限公司 | A kind of safety level DCS failure safe communication constructions |
| CN108303971A (en) * | 2018-02-28 | 2018-07-20 | 中国船舶重工集团公司第七〇九研究所 | The nuclear safety engineer operation bench and control system of ocean nuclear power platform |
| CN108711459A (en) * | 2018-05-30 | 2018-10-26 | 中国原子能科学研究院 | A kind of diversified protective device for fast reactor |
| CN110085333A (en) * | 2019-04-15 | 2019-08-02 | 中广核研究院有限公司 | A kind of protection system suitable for Small reactor |
| CN110324224A (en) * | 2019-06-21 | 2019-10-11 | 中广核工程有限公司 | A kind of nuclear power unit safety level DCS network structure |
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| CN111766848A (en) * | 2020-06-29 | 2020-10-13 | 北京广利核系统工程有限公司 | Method and device for verifying failure rate of subsystem in instrument control system |
| CN113571218A (en) * | 2021-07-08 | 2021-10-29 | 中国核电工程有限公司 | Priority selection system of nuclear power station |
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| CN107291062A (en) * | 2017-04-01 | 2017-10-24 | 福建福清核电有限公司 | A kind of digitalized I＆C system logic function experimental rig of PWR nuclear power plant core |
| CN107291062B (en) * | 2017-04-01 | 2023-10-20 | 福建福清核电有限公司 | Logic function test device for nuclear-level digital instrument control system of pressurized water reactor nuclear power plant |
| CN107505887B (en) * | 2017-08-30 | 2020-04-17 | 北京广利核系统工程有限公司 | Safety control display unit, safety control system with display unit and method |
| CN107505887A (en) * | 2017-08-30 | 2017-12-22 | 北京广利核系统工程有限公司 | Security control display unit, the safety control system with display unit and method |
| CN108173730A (en) * | 2017-11-24 | 2018-06-15 | 中核控制系统工程有限公司 | A kind of safety level DCS failure safe communication constructions |
| CN108303971A (en) * | 2018-02-28 | 2018-07-20 | 中国船舶重工集团公司第七〇九研究所 | The nuclear safety engineer operation bench and control system of ocean nuclear power platform |
| CN108303971B (en) * | 2018-02-28 | 2023-11-03 | 中国船舶重工集团公司第七一九研究所 | Nuclear safety engineer control console and control system of ocean nuclear power platform |
| CN108711459A (en) * | 2018-05-30 | 2018-10-26 | 中国原子能科学研究院 | A kind of diversified protective device for fast reactor |
| CN108711459B (en) * | 2018-05-30 | 2020-12-11 | 中国原子能科学研究院 | Diversified protection device for fast reactor |
| CN110556189A (en) * | 2018-05-31 | 2019-12-10 | 华龙国际核电技术有限公司 | Nuclear power station diversity protection system and nuclear power station |
| CN110085333B (en) * | 2019-04-15 | 2020-12-04 | 中广核研究院有限公司 | Protection system suitable for small-size reactor |
| CN110085333A (en) * | 2019-04-15 | 2019-08-02 | 中广核研究院有限公司 | A kind of protection system suitable for Small reactor |
| CN110324224B (en) * | 2019-06-21 | 2021-12-03 | 中广核工程有限公司 | Nuclear power unit security level DCS network structure |
| CN110324224A (en) * | 2019-06-21 | 2019-10-11 | 中广核工程有限公司 | A kind of nuclear power unit safety level DCS network structure |
| CN111766848A (en) * | 2020-06-29 | 2020-10-13 | 北京广利核系统工程有限公司 | Method and device for verifying failure rate of subsystem in instrument control system |
| CN113571218A (en) * | 2021-07-08 | 2021-10-29 | 中国核电工程有限公司 | Priority selection system of nuclear power station |
| WO2023087529A1 (en) * | 2021-11-18 | 2023-05-25 | 中广核研究院有限公司 | Online protection method and system |
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