CN-121997577-A - Accident operation rule evaluation method, device, equipment and medium

CN121997577ACN 121997577 ACN121997577 ACN 121997577ACN-121997577-A

Abstract

The invention provides an evaluation method, a device, equipment and a medium of accident operation rules, wherein the evaluation method comprises the steps of obtaining all types of accident working conditions, and determining a first result after executing corresponding different types of accident operation rules under each type of accident working conditions; the method comprises the steps of compiling all accident operation regulations to obtain corresponding accident operation scripts, carrying out accident simulation on a nuclear power station model, executing the corresponding accident operation scripts under each type of accident working conditions to obtain second results of the nuclear power station model under each type of accident working conditions and the corresponding accident operation scripts, and completing validity assessment of the corresponding accident operation regulations according to comparison results of the second results and the corresponding first results under each type of accident working conditions. The method, the device, the equipment and the medium for evaluating the accident operation rules solve the technical problem that the effectiveness of the accident operation rules is difficult to evaluate.

Inventors

Wang Taike
ZOU JIAN
MA TINGWEI
SUN CHEN
WU YUEJUN
ZHANG JIANWEN
HUANG YU
LI MIN
LIU HAIQING
WANG ZHENYING

Assignees

中广核工程有限公司
深圳中广核工程设计有限公司

Dates

Publication Date: 20260508
Application Date: 20260114

Claims (15)

1. A method of evaluating an accident operation protocol, comprising: Acquiring all types of accident conditions, and determining a first result of each type of accident conditions after executing corresponding different types of accident operation rules; Compiling all accident operation rules to obtain corresponding accident operation scripts; performing accident simulation on the nuclear power station model, and executing a corresponding accident operation script under each type of accident working condition to obtain a second result of the nuclear power station model under each type of accident working condition and the corresponding accident operation script; And under each type of accident working condition, according to the comparison result of the second result and the corresponding first result, the validity evaluation of the corresponding accident operation rules is completed.
2. The method for evaluating the accident operation regulations according to claim 1, wherein the types of the accident operation regulations comprise a guiding class, a control class and a monitoring class, the number of the accident operation regulations of the control class is a plurality of the accident operation regulations and corresponds to each type of accident working condition one by one, and the number of the accident operation regulations of the guiding class and the number of the accident operation regulations of the monitoring class are one; the step of acquiring all types of accident conditions and determining a first result after executing corresponding different types of accident operation rules under each type of accident conditions comprises the following steps: acquiring all types of accident conditions, and determining accident operation rules of corresponding control types aiming at each type of accident conditions; under each type of accident condition: Determining a first guiding result after the accident operation rules of the guiding class are executed, wherein the first guiding result comprises the accident operation rules of the control class which are adapted to the accident working conditions of the guiding class; Determining a first control result after executing the accident operation procedure of the corresponding control class, wherein the first control result comprises state parameters for recovering the normal working condition, safety signals for recovering the normal working condition and response time of each device for recovering the normal working condition; And determining a first monitoring result after the accident operation procedure of the monitoring class is executed, wherein the first monitoring result comprises the switching state of the redundant equipment.
3. The method of claim 2, wherein determining the first control result after executing the accident operation procedure of the corresponding control class comprises: determining abnormal state parameters and triggered safety signals under the accident working conditions; And executing the accident operation rules of the corresponding control classes so as to enable the corresponding accident working conditions to be restored to the normal working conditions, obtaining the state parameters of the restored normal working conditions, the safety signals of the restored normal working conditions, the response time of each device for restoring the normal working conditions, and generating the corresponding first control results.
4. The method of claim 2, wherein the type of the incident operation scenario corresponds to the type of the incident operation scenario, and the second result includes a second guidance result, a second control result, and a second monitoring result; Performing accident simulation on the nuclear power station model, executing a corresponding accident operation script under each type of accident working condition, and obtaining a second result of the nuclear power station model under each type of accident working condition and the corresponding accident operation script, wherein the accident simulation comprises the following steps: Determining accident operation scripts of a control class according to each type of accident working conditions; Accident simulation is carried out on the nuclear power station model, and under each type of accident working condition: Determining a second guiding result after the accident operation script of the guiding class is executed, wherein the second guiding result comprises an accident operation rule of a control class which is matched with the accident working condition of the guiding class; determining a second control result after executing the accident operation script of the corresponding control class, wherein the second control result comprises the recovered state parameters, the recovered safety signals and the recovered response time length of each device; And determining a second monitoring result after the accident operation script of the monitoring class is executed, wherein the second monitoring result comprises the switching state of the redundant equipment.
5. The method for evaluating an accident operation procedure according to claim 4, wherein the step of completing the validity evaluation of the corresponding accident operation procedure according to the comparison result between the second result and the corresponding first result under each type of the accident conditions comprises: Comparing the second guiding results of all types of accident conditions with the corresponding first guiding results to obtain corresponding comparison results; judging all comparison results: when all the comparison results are that the comparison is passed, judging that the accident operation rules of the guide class are valid; If at least one comparison result is that the comparison fails, judging that the accident operation rules of the guide class are invalid.
6. The method of claim 5, wherein comparing the second guiding results of all types of accident conditions with the corresponding first guiding results to obtain corresponding comparison results comprises: Comparing the second guiding result of the accident condition with the corresponding first guiding result aiming at each type of the accident condition: When the second guiding result is different from the corresponding first guiding result, judging that the comparison result of the accident condition is failed; and when the second guiding result is the same as the corresponding first guiding result, carrying out robustness test on the accident operation script of the guiding class, wherein when the test is passed, the comparison result of the accident working conditions is judged to be passed, and when the test is failed, the comparison result of the accident working conditions is judged to be failed.
7. The method for evaluating an accident operation procedure according to claim 4, wherein the step of completing the validity evaluation of the corresponding accident operation procedure according to the comparison result between the second result and the corresponding first result under each type of the accident conditions comprises: setting corresponding parameter intervals according to state parameters of normal recovery working conditions and corresponding duration thresholds according to response durations of various devices of normal recovery working conditions aiming at each type of accident working conditions; And respectively comparing the second control result of the accident working condition with a corresponding parameter interval, a corresponding time length threshold value and a corresponding safety signal for recovering the normal working condition, and completing the validity evaluation of the corresponding accident operation rules according to the comparison result.
8. The method for evaluating an accident operation procedure according to claim 7, wherein the state parameters comprise a unit state parameter, an equipment state parameter and a shutdown state parameter, the parameter intervals comprise a normal parameter interval, an abnormal parameter interval and an alarm parameter interval, the unit state parameter and the equipment state parameter respectively correspond to the normal parameter interval, the abnormal parameter interval and the alarm parameter interval, and the shutdown state parameter corresponds to the normal parameter interval and the alarm parameter interval; The second control result of the accident condition is compared with the corresponding parameter interval, the corresponding time length threshold value and the corresponding safety signal for recovering the normal condition, and the validity evaluation of the corresponding accident operation procedure is completed according to the comparison result, comprising the following steps: and respectively comparing the second control result of the accident working condition with a corresponding parameter interval, a corresponding duration threshold value and a corresponding safety signal for recovering the normal working condition: When all the recovered state parameters are in the corresponding normal parameter intervals, all the recovered safety signals are recovered to the normal working conditions, and the response time of all the recovered equipment is smaller than the corresponding time threshold, judging that the accident operation rules of the control class corresponding to the accident working conditions are valid; When part of the recovered state parameters are located in the corresponding normal parameter interval, the other recovered state parameters are located in the corresponding abnormal parameter interval, all recovered safety signals are recovered to the normal working condition, and the response time of all recovered devices is smaller than the corresponding time threshold, calculating comprehensive scores according to all the unit state parameters and all the device state parameters, and finishing the validity evaluation of the accident operation rules of the control class corresponding to the accident working condition according to the comprehensive scores; and when the recovered state parameters are positioned in the corresponding alarm parameter intervals, and/or the recovered safety signals are not recovered to the normal working conditions, and/or the response time of the recovered equipment is less than the corresponding time threshold, judging that the accident operation rules of the control class corresponding to the accident working conditions are invalid.
9. The method for evaluating an accident operation procedure according to claim 8, wherein calculating a composite score according to all unit state parameters and all equipment state parameters, and completing the evaluation of the validity of the accident operation procedure of the control class corresponding to the accident condition according to the composite score comprises: Setting the state scores of each unit state parameter and each equipment state parameter according to the normal parameter interval or the abnormal parameter interval in which each unit state parameter and each equipment state parameter are respectively located, and carrying out weighted summation on all the state scores to obtain a comprehensive score; Comparing the comprehensive score with a score threshold preset for the accident condition: When the comprehensive score is larger than the scoring threshold value, judging that the accident operation rules of the control class corresponding to the accident working conditions are valid; Otherwise, judging that the accident operation rules of the control class corresponding to the accident working condition are invalid.
10. The method for evaluating an accident operation procedure according to claim 9, wherein the state scores include a unit score and an equipment score, the setting the state scores of each unit state parameter and each equipment state parameter according to a normal parameter area or an abnormal parameter area in which each unit state parameter and each equipment state parameter are respectively located, and weighting and summing all the state scores to obtain a comprehensive score includes: Setting the unit score of each unit state parameter according to the normal parameter interval or the abnormal parameter interval in which the unit state parameter is located, and calculating the product of the unit score of the unit state parameter and the corresponding preset weight coefficient to obtain the unit score of the unit state parameter; Setting the equipment score of each equipment state parameter according to the normal parameter interval or the abnormal parameter interval in which the equipment state parameter is located, and calculating the product of the equipment score of the equipment state parameter and the corresponding preset weight coefficient to obtain the equipment score of the equipment state parameter; and calculating the comprehensive score according to the scores of all the units and the scores of all the equipment.
11. The method for evaluating an accident operation procedure according to claim 4, wherein the step of completing the validity evaluation of the corresponding accident operation procedure according to the comparison result between the second result and the corresponding first result under each type of the accident conditions comprises: Comparing the second monitoring results of all types of accident conditions with the corresponding first monitoring results to obtain corresponding comparison results; judging all comparison results: When all the comparison results are that the comparison is passed, judging that the accident operation rules of the monitoring class are valid; if at least one comparison result is that the comparison fails, judging that the accident operation rules of the monitoring class are invalid.
12. The method of claim 11, wherein comparing the second monitoring results of all types of accident conditions with the corresponding first monitoring results to obtain corresponding comparison results comprises: comparing the second monitoring result of the accident condition with the corresponding first monitoring result aiming at each type of the accident condition: When the second monitoring result is different from the corresponding first monitoring result, judging that the comparison result of the accident condition is failed; And when the second monitoring result is the same as the corresponding first monitoring result, judging that the comparison result of the accident working conditions is passing.
13. An apparatus for evaluating an accident operation protocol, comprising: The accident acquisition module is used for acquiring all types of accident conditions and determining a first result after executing corresponding different types of accident operation rules under each type of accident conditions; The rule compiling module is used for compiling all accident operation rules to obtain corresponding accident operation scripts; The accident simulation module is used for performing accident simulation on the nuclear power station model, executing corresponding accident operation scripts in each type of accident working conditions, and obtaining second results of the nuclear power station model under each type of accident working conditions and the corresponding accident operation scripts; and the rule evaluation module is used for completing the validity evaluation of the corresponding accident operation rule according to the comparison result of the second result and the corresponding first result under each type of accident working condition.
14. An electronic device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of the method of evaluating an accident operation procedure according to any one of claims 1 to 12 when the computer program is executed by the processor.
15. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method of evaluating an accident operation procedure according to any one of claims 1 to 12.

Description

Accident operation rule evaluation method, device, equipment and medium Technical Field The invention relates to the field of nuclear power, in particular to an accident operation rule evaluation method, device, equipment and medium. Background In nuclear power plants, the effectiveness of accident operation regulations is critical. Currently, a common method of verifying the validity of an accident operating protocol is to rely on manual means. The designer needs to gradually simulate the accident scene on the engineering simulator and manually execute each operation of the rules so as to observe the system response. After verification, the designer is required to manually examine the whole processing process and the final result, and judge whether the procedure can successfully guide the system to a safe state by virtue of own experience. If the problem is found, the defect is needed to be positioned manually, and the manual verification process is repeated again after the accident operation rule is modified. This method forms the technical basis of the current verification work. The above-described highly manual verification methods have significant limitations. First, the entire verification process is inefficient and long in cycle time, and manual execution and evaluation consumes a lot of manpower and time. Secondly, the reliability of the verification conclusion is seriously affected by subjective factors of designers, the personal technical knowledge depth, the experience richness and even human errors in operation directly affect the accuracy and the integrity of defect identification, and potential problems are difficult to completely discover and eliminate. This limitation makes it difficult for existing manual methods to meet modern industrial safety requirements for comprehensive, efficient and objective effectiveness assessment of accident operation regulations. Therefore, there is a need for improvement. Disclosure of Invention The invention provides an evaluation method, device, equipment and medium of an accident operation rule, which are used for solving the technical problem that the effectiveness of the accident operation rule is difficult to evaluate. The invention provides an evaluation method of accident operation rules, which comprises the following steps: Acquiring all types of accident conditions, and determining a first result of each type of accident conditions after executing corresponding different types of accident operation rules; Compiling all accident operation rules to obtain corresponding accident operation scripts; performing accident simulation on the nuclear power station model, and executing a corresponding accident operation script under each type of accident working condition to obtain a second result of the nuclear power station model under each type of accident working condition and the corresponding accident operation script; And under each type of accident working condition, according to the comparison result of the second result and the corresponding first result, the validity evaluation of the corresponding accident operation rules is completed. In an embodiment of the invention, the types of the accident operation rules comprise a guiding type, a control type and a monitoring type, wherein the number of the accident operation rules of the control type is a plurality of and corresponds to each type of accident working condition one by one, and the number of the accident operation rules of the guiding type and the number of the accident operation rules of the monitoring type are both one; the step of acquiring all types of accident conditions and determining a first result after executing corresponding different types of accident operation rules under each type of accident conditions comprises the following steps: acquiring all types of accident conditions, and determining accident operation rules of corresponding control types aiming at each type of accident conditions; under each type of accident condition: Determining a first guiding result after the accident operation rules of the guiding class are executed, wherein the first guiding result comprises the accident operation rules of the control class which are adapted to the accident working conditions of the guiding class; Determining a first control result after executing the accident operation procedure of the corresponding control class, wherein the first control result comprises state parameters for recovering the normal working condition, safety signals for recovering the normal working condition and response time of each device for recovering the normal working condition; And determining a first monitoring result after the accident operation procedure of the monitoring class is executed, wherein the first monitoring result comprises the switching state of the redundant equipment. In an embodiment of the present invention, the determining the first control result after executing the accident operation