CN103578590A - Nuclear power station power-losing accident analysis method and system - Google Patents
Nuclear power station power-losing accident analysis method and system Download PDFInfo
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- CN103578590A CN103578590A CN201310566001.8A CN201310566001A CN103578590A CN 103578590 A CN103578590 A CN 103578590A CN 201310566001 A CN201310566001 A CN 201310566001A CN 103578590 A CN103578590 A CN 103578590A
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Abstract
The invention discloses a nuclear power station power-losing accident analysis method and system. The nuclear power station power-losing accident analysis method includes the steps of detecting whether a power source of each nuclear power station safety system device is available or not, analyzing whether each nuclear power station safety system device is available or not if the power source of each nuclear power station safety system device is available, and judging that a nuclear power unit does not have power-losing accidents if each nuclear power station safety system device is available. According to the nuclear power station power-losing accident analysis method, whether the power source and the functions of each nuclear power station safety system device are available or not is detected to further judge whether the nuclear power unit has the power-losing accidents or not, nuclear power station safety protection requirements are effectively met, and the defect that the method that a manual failure tree is used for conducting accident analysis is low in efficiency is solved. In addition, the invention further discloses the nuclear power station power-losing accident analysis system.
Description
Technical field
The invention belongs to nuclear power technology field, more particularly, the present invention relates to a kind of nuclear power station dead electricity crash analysis method and system.
Background technology
In the design of nuclear power station, must analyze design basis accident, wherein to consider nuclear power station dead electricity accident conditions.Pressurized-water reactor nuclear power plant is mainly comprised of three parts such as pressurized water reactor, a circuit system and secondary coolant circuit systems, nuclear fission be in the reactor core being formed by nuclear fuel in pressure vessel, enter ground, presurized water reactor take low-enrichment uranium as fuel, light-water be cooling medium and moderator.Nuclear fission liberated heat is taken out-pile out of by the water under high pressure of the circuit system in the heap of flowing through and in steamer generator, is transferred heat to the water of secondary circuit, the Steam Actuation steam turbine producing after water is heated, and steam turbine drives generator generating.At present, the follow-on nuclear power station of the second generation, its nuclear safety function still depends on electric power supply as heat discharge of reactor etc.If lose electric power completely when reactor capability is moved, will bring unacceptable consequence, and in the most serious situation, may cause reactor core fusing and radiomaterial to leak.In order to guarantee reliable nuclear safety function, can use, at present, nuclear power plant all adopts the distribution system of multiple technologies Redundancy Design, by electric power independent allocation to the ad hoc system of nuclear safety, avoid the impact between system, the unlikely initiated core security function of single failure was all lost efficacy.
In order to make design reach above-mentioned target, current nuclear power station all can carry out dead electricity crash analysis in the design phase, by assessing in theory nuclear power station dead electricity consequence, whether can accept, the unloading phase of debugging, need to organize and implement true dead electricity and test to verify the unlikely nuclear safety that affects of dead electricity consequence.At present, nuclear power station is for manually carrying out power loss analysis by Fault Tree, for specific starting condition or event, analyzes one by one the Nuclear Power Plant Equipment affecting, more progressively analytical equipment lost efficacy after impact on unit safety, then formulate counte-rplan.At engineering site, need to again analyze to control risk according to on-the-spot actual conditions, guarantee to test consequence and be positioned at tolerance interval.Because of npp safety function and distribution system design complexity, cause dead electricity consequences analysis workload large, with high content of technology, Fault Tree Analysis is difficult to analyze the simultaneous stack consequence of a plurality of accidents, is more difficult to analyze the dead electricity consequence of unit under various different conditions.How to the simultaneous consequence of multiple accident and unit, the consequence of dead electricity under various states is analyzed according to the actual requirements, realization is before engineering site is organized true dead electricity test, according to on-the-spot virtual condition, reappraising the consequence of dead electricity whether in tolerance interval, is problem demanding prompt solution.
Summary of the invention
The object of the invention is to: solve the defect that at present artificial Fault Tree carries out power loss analysis method, a kind of nuclear power station dead electricity crash analysis method and system is provided, whether it can be available by power supply, each nuclear plant safety system equipment function of each nuclear plant safety system equipment of detection, and then judge whether nuclear power generating sets dead electricity accident occurs, effectively met the requirement of nuclear power station safety full protection.Further, by setting up mathematical model and formula, provide the mathematical method of dead electricity crash analysis, realize the dead electricity consequences analysis mathematical computations under stack accident and different set state, meet the demand at nuclear power engineering scene.
In order to realize foregoing invention object, the invention provides a kind of nuclear power station dead electricity crash analysis method, it comprises:
Whether the power supply that detects each nuclear plant safety system equipment is available;
If described power supply can be used, whether availablely analyze described each nuclear plant safety system equipment function;
If described each nuclear plant safety system equipment function can be used, judge that dead electricity accident does not occur nuclear power generating sets.
As a kind of improvement of nuclear power station dead electricity crash analysis method of the present invention, described analytical approach also comprises:
According to nuclear plant safety rules, nuclear power station design document and power loss analysis file, determine each nuclear plant safety system equipment that needs detection.
As a kind of improvement of nuclear power station dead electricity crash analysis method of the present invention, whether the power supply of each nuclear plant safety system equipment of described detection is available, comprising:
Whether the power supply, the switchboard that detect each nuclear plant safety system equipment be available.
As a kind of improvement of nuclear power station dead electricity crash analysis method of the present invention, whether the power supply of each nuclear plant safety system equipment of described detection is available, comprising:
Using formula D=(B1 & B2 & B3 ... & P1) | (B4 & B5 & B6 ... & P2) whether availablely detect the power supply of each nuclear plant safety system equipment, wherein, D represents a nuclear plant safety system equipment, P represents power supply, and B represents switchboard.
As a kind of improvement of nuclear power station dead electricity crash analysis method of the present invention, whether each nuclear plant safety system equipment function is available described in described analysis, comprising:
Whether analyze the state of described each nuclear plant safety system equipment in upstate.
As a kind of improvement of nuclear power station dead electricity crash analysis method of the present invention, whether each nuclear plant safety system equipment function is available described in described analysis, comprising:
Using formula S=D1 & (D2|D3) &! Whether D4 analyzes described each nuclear plant safety system equipment function available, S representative system function wherein, and D represents nuclear plant safety system equipment state.
In order to realize foregoing invention object, the present invention also provides a kind of nuclear power station dead electricity accident analysis system, and it comprises:
Detection module, whether available for detection of the power supply of each nuclear plant safety system equipment;
Analysis module, can use if detect described power supply for described detection module, whether availablely analyzes described each nuclear plant safety system equipment function;
Judge module, if can use for each nuclear plant safety system equipment function described in described analysis module analysis, judges that dead electricity accident does not occur nuclear power generating sets.
As a kind of improvement of nuclear power station dead electricity accident analysis system of the present invention, described analytic system also comprises:
Determination module, for according to nuclear plant safety rules, nuclear power station design document and power loss analysis file, determines each nuclear plant safety system equipment that needs detection.
As a kind of improvement of nuclear power station dead electricity accident analysis system of the present invention, whether described detection module detects the power supply of each nuclear plant safety system equipment available, specifically comprises:
Whether the power supply, the switchboard that detect each nuclear plant safety system equipment be available.
As a kind of improvement of nuclear power station dead electricity accident analysis system of the present invention, whether described analysis module is analyzed described each nuclear plant safety system equipment function available, specifically comprises:
Whether analyze the state of described each nuclear plant safety system equipment in upstate.
Compared with prior art, whether nuclear power station dead electricity crash analysis method and system of the present invention has following useful technique effect: available by detecting power supply, each nuclear plant safety system equipment function of each nuclear plant safety system equipment, and then judge whether nuclear power generating sets dead electricity accident occurs, effectively met the requirement of nuclear power station safety full protection.In addition, by setting up mathematical model and formula, provide the mathematical method of dead electricity crash analysis, realize the dead electricity consequences analysis mathematical computations under stack accident and different set state, meet the demand at nuclear power engineering scene.Owing to each equipment being carried out to dead electricity crash analysis identification, met a plurality of accidents a situation arises simultaneously lower dead electricity crash analysis judgement, than prior art, improved and analyzed the speed judging, workload is less, obtains good technique effect.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, nuclear power station dead electricity crash analysis method and system of the present invention is elaborated, wherein:
Fig. 1 provides the process flow diagram of an embodiment of nuclear power station dead electricity crash analysis method of the present invention.
Fig. 2 provides the schematic diagram of an embodiment of nuclear power station dead electricity accident analysis system of the present invention.
Embodiment
In order to make goal of the invention of the present invention, technical scheme and useful technique effect thereof more clear, below in conjunction with the drawings and specific embodiments, the present invention is further elaborated.Should be understood that, the embodiment of describing in this instructions is only used to explain the present invention, is not intended to limit the present invention.
Incorporated by reference to referring to Fig. 1, Fig. 1 provides a kind of nuclear power station dead electricity crash analysis method, specifically comprises:
Step 101, whether the power supply that detects each nuclear plant safety system equipment is available.
Concrete, the structure of nuclear power plant instrument control system is divided into the equipment of following Four types: field apparatus, control treatment facility, operation and information management apparatus and nuclear power station management equipment etc.
According to the design of nuclear power station auxiliary power supply system, nuclear plant safety system equipment is set up to formula to the electric power contact of all kinds of power supplys, using formula D=(B1 & B2 & B3 ... & P1) | (B4 & B5 & B6 ... & P2) whether availablely detect the power supply of each nuclear plant safety system equipment, wherein, D represents a nuclear plant safety system equipment, P represents power supply, and B represents switchboard.The result of calculation of formula represents that whether equipment required electric power is available, thinks that equipment can be switched to the state that any state comprises that nuclear safety is required if available, if unavailable equipment can only be in default setting.
Whether available step 103, if power supply can be used, analyze each nuclear plant safety system equipment function.
Concrete, using formula S=D1 & (D2|D3) &! Whether D4 analyzes each nuclear plant safety system equipment function available, S representative system function wherein, and D represents nuclear plant safety system equipment state.As: represent valve open, pump/blower fan running as 1,0 represents valve closing, the stoppage in transit of pump/blower fan etc.
Step 105, if each nuclear plant safety system equipment function can be used, judges that dead electricity accident does not occur nuclear power generating sets.
According to current nuclear safety codes requirement, design document and power loss analysis file, clearly realize the necessary systemic-function of nuclear safety function.With U, represent whether safety of nuclear power generating sets state, S represents that whether security system function is available:
U=S1&(S2|S3)&S4
In this embodiment, whether available by detecting power supply, each nuclear plant safety system equipment function of each nuclear plant safety system equipment, and then judge whether nuclear power generating sets dead electricity accident occurs, effectively met the requirement of nuclear power station safety full protection.In addition, by setting up mathematical model and formula, provide the mathematical method of dead electricity crash analysis, realize the dead electricity consequences analysis mathematical computations under stack accident and different set state, meet the demand at nuclear power engineering scene.Owing to each equipment being carried out to dead electricity crash analysis identification, met a plurality of accidents a situation arises simultaneously lower dead electricity crash analysis judgement, than prior art, improved and analyzed the speed judging, workload is less, obtains good technique effect.
Incorporated by reference to referring to Fig. 2, Fig. 2 provides the schematic diagram of an a kind of embodiment of nuclear power station dead electricity accident analysis system, and it comprises: detection module 201, analysis module 203 and judge module 205.Concrete,
Optionally, this system can also comprise: determination module 207, for according to nuclear plant safety rules, nuclear power station design document and power loss analysis file, determine each nuclear plant safety system equipment that needs detection.
Further, whether the power supply of detection module 201 each nuclear plant safety system equipments of detection is available, specifically comprises:
Whether the power supply, the switchboard that detect each nuclear plant safety system equipment be available.
Further, whether analysis module 203 is analyzed each nuclear plant safety system equipment function available, specifically comprises:
Whether analyze the state of described each nuclear plant safety system equipment in upstate.
The implementation method of system and flow process can, referring to the embodiment of the method for introducing in previous embodiment, repeat no more herein.
In conjunction with above detailed description of the present invention, can find out, with respect to prior art, whether the present invention at least has following useful technique effect: available by detecting power supply, each nuclear plant safety system equipment function of each nuclear plant safety system equipment, and then judge whether nuclear power generating sets dead electricity accident occurs, effectively met the requirement of nuclear power station safety full protection.In addition, by setting up mathematical model and formula, provide the mathematical method of dead electricity crash analysis, realize the dead electricity consequences analysis mathematical computations under stack accident and different set state, meet the demand at nuclear power engineering scene.Owing to each equipment being carried out to dead electricity crash analysis identification, met a plurality of accidents a situation arises simultaneously lower dead electricity crash analysis judgement, than prior art, improved and analyzed the speed judging, workload is less, obtains good technique effect.
According to above-mentioned principle, the present invention can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the present invention is not limited to embodiment disclosed and described above, to modifications and changes more of the present invention, also should fall in the protection domain of claim of the present invention.In addition,, although used some specific terms in this instructions, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (10)
1. a nuclear power station dead electricity crash analysis method, is characterized in that, described analytical approach comprises:
Whether the power supply that detects each nuclear plant safety system equipment is available;
If described power supply can be used, whether availablely analyze described each nuclear plant safety system equipment function;
If described each nuclear plant safety system equipment function can be used, judge that dead electricity accident does not occur nuclear power generating sets.
2. analytical approach according to claim 1, is characterized in that, described analytical approach also comprises:
According to nuclear plant safety rules, nuclear power station design document and power loss analysis file, determine each nuclear plant safety system equipment that needs detection.
3. analytical approach according to claim 2, is characterized in that, whether the power supply of each nuclear plant safety system equipment of described detection is available, comprising:
Whether the power supply, the switchboard that detect each nuclear plant safety system equipment be available.
4. analytical approach according to claim 2, is characterized in that, whether the power supply of each nuclear plant safety system equipment of described detection is available, comprising:
Using formula D=(B1 & B2 & B3 ... & P1) | (B4 & B5 & B6 ... & P2) whether availablely detect the power supply of each nuclear plant safety system equipment, wherein D represents a nuclear plant safety system equipment, P represents power supply, and B represents switchboard.
5. analytical approach according to claim 3, is characterized in that, whether each nuclear plant safety system equipment function is available described in described analysis, comprising:
Whether analyze the state of described each nuclear plant safety system equipment in upstate.
6. analytical approach according to claim 3, is characterized in that, whether each nuclear plant safety system equipment function is available described in described analysis, comprising:
Using formula S=D1 & (D2|D3) &! Whether D4 analyzes described each nuclear plant safety system equipment function available, S representative system function wherein, and D represents nuclear plant safety system equipment state.
7. a nuclear power station dead electricity accident analysis system, is characterized in that, described analytic system comprises:
Detection module, whether available for detection of the power supply of each nuclear plant safety system equipment;
Analysis module, can use if detect described power supply for described detection module, whether availablely analyzes described each nuclear plant safety system equipment function;
Judge module, if can use for each nuclear plant safety system equipment function described in described analysis module analysis, judges that dead electricity accident does not occur nuclear power generating sets.
8. analytic system according to claim 7, is characterized in that, described analytic system also comprises:
Determination module, for according to nuclear plant safety rules, nuclear power station design document and power loss analysis file, determines each nuclear plant safety system equipment that needs detection.
9. analytic system according to claim 8, is characterized in that, whether described detection module detects the power supply of each nuclear plant safety system equipment available, specifically comprises:
Whether the power supply, the switchboard that detect each nuclear plant safety system equipment be available.
10. analytic system according to claim 8, is characterized in that, whether described analysis module is analyzed described each nuclear plant safety system equipment function available, specifically comprises:
Whether analyze the state of described each nuclear plant safety system equipment in upstate.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600122A (en) * | 2016-12-01 | 2017-04-26 | 中广核工程有限公司 | Nuclear power station device intelligent monitoring method, apparatus and system |
| CN108830323A (en) * | 2018-06-11 | 2018-11-16 | 詹佳硕 | A kind of nuclear reactor accident pattern-recognition and security parameter evaluation method and estimating system |
| CN109978500A (en) * | 2019-03-20 | 2019-07-05 | 武汉瑞莱保能源技术有限公司 | A kind of nuclear power station power loss trial system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447240A (en) * | 2008-12-22 | 2009-06-03 | 中国广东核电集团有限公司 | Accident monitor system for nuclear power unit and monitor method thereof |
| CN102255377A (en) * | 2011-05-20 | 2011-11-23 | 中国广东核电集团有限公司 | Method and system for supplying emergency power supply to nuclear power station |
| CN102915778A (en) * | 2012-09-21 | 2013-02-06 | 中国核电工程有限公司 | Method for carrying out power loss analysis on digital instrument control system of nuclear power plant by utilizing functional group analysis method |
-
2013
- 2013-11-13 CN CN201310566001.8A patent/CN103578590B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447240A (en) * | 2008-12-22 | 2009-06-03 | 中国广东核电集团有限公司 | Accident monitor system for nuclear power unit and monitor method thereof |
| CN102255377A (en) * | 2011-05-20 | 2011-11-23 | 中国广东核电集团有限公司 | Method and system for supplying emergency power supply to nuclear power station |
| CN102915778A (en) * | 2012-09-21 | 2013-02-06 | 中国核电工程有限公司 | Method for carrying out power loss analysis on digital instrument control system of nuclear power plant by utilizing functional group analysis method |
Non-Patent Citations (1)
| Title |
|---|
| 王振营 等: "岭澳核电站二期失电故障分析综述", 《核动力工程》, vol. 32, 15 December 2011 (2011-12-15) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600122A (en) * | 2016-12-01 | 2017-04-26 | 中广核工程有限公司 | Nuclear power station device intelligent monitoring method, apparatus and system |
| CN108830323A (en) * | 2018-06-11 | 2018-11-16 | 詹佳硕 | A kind of nuclear reactor accident pattern-recognition and security parameter evaluation method and estimating system |
| CN108830323B (en) * | 2018-06-11 | 2022-06-03 | 詹佳硕 | Nuclear reactor accident pattern recognition and safety parameter estimation method and estimation system |
| CN109978500A (en) * | 2019-03-20 | 2019-07-05 | 武汉瑞莱保能源技术有限公司 | A kind of nuclear power station power loss trial system |
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