Multi-module originating event identification method and device, electronic equipment and storage medium

The method and device for identifying multi-module initiating events in HTGRs through comprehensive analysis improve safety and economy by accurately determining event triggering systems and their impact ranges, facilitating safer operation of nuclear power plants.

CN119181520APending Publication Date: 2024-12-24CHINERGY CO LTD
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Patent Information

Application Number
CN202411199878.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-08-29
Publication Date
2024-12-24

AI Technical Summary

Technical Problem

High temperature gas-cooled reactors (HTGR) face challenges in identifying multi-module initiating events, which can lead to unsafe operation due to commonality in system settings, making it difficult to determine weak links and ensure safety in nuclear power plants.

Method used

A method and device for identifying multi-module initiating events in HTGRs through preliminary failure impact analysis, failure mode analysis, and event determination, using electronic equipment to determine event triggering systems and their impact ranges, followed by classification and listing of events.

Benefits of technology

Enables precise identification of multi-module initiating events, enhancing safety evaluations and guiding system configuration strategies to improve the safety and economy of nuclear power plants.

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Abstract

The invention discloses a multi-module originating event identification method and device, electronic equipment and a storage medium, and the method and device are applied to the electronic equipment, and specifically comprise the steps: carrying out the preliminary failure impact analysis of each system of a nuclear power plant, and obtaining at least one event initiation system which can cause an originating event; analyzing the failure modes of the event-caused system to obtain influence ranges under different failure modes; and determining all multi-module originating events of the high-temperature gas cooled reactor according to the influence range. Through the scheme, the multi-module originating event can be comprehensively identified, so that the weak link of the nuclear power plant is further determined according to the multi-module originating event, and the influence on safe operation of the nuclear power plant is avoided.
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Description

Technical Field

[0001] The present application relates to the technical field of nuclear reactors, and more specifically, to a method, device, electronic device and storage medium for identifying multi-module initiating events. Background Art

[0002] HTGR is the abbreviation of HTGR, a type of fission reactor, and a fourth-generation nuclear power reactor with advantages such as good safety, high efficiency, good economy, and wide application. HTGR generates electricity through the conversion of nuclear energy-thermal energy-mechanical energy-electrical energy, which can replace traditional fossil energy and achieve coordinated development of economy and ecological environment. HTGR has the characteristics of inherent safety, modular design and construction, and multi-purpose, and is considered to be the most promising fourth-generation reactor type.

[0003] High temperature gas-cooled reactors use gas as coolant. They were first used in the production of military nuclear materials and later gradually developed into power reactors for commercial power generation. They can be roughly divided into four stages: early gas-cooled reactors (Magnox reactors), improved gas-cooled reactors (AGR reactors), high temperature gas-cooled reactors and modular high temperature gas-cooled reactors. According to the characteristics of the core structure, modular high temperature gas-cooled reactors can also be divided into two types: pebble bed reactors and prismatic reactors.

[0004] Since the current high temperature gas-cooled reactor adopts a modular design, there is a certain degree of commonality and interactivity in its system settings. A single system or equipment failure may cause multi-module initiating events in several or even all reactor modules, which is generally not the case with traditional pressurized water reactors. The multi-module initiating event here refers to an event in a nuclear power plant that has been identified as likely to cause an expected operating event or accident condition and its subsequent failure effects. For high temperature gas-cooled reactors, it is necessary to fully identify their multi-module initiating events, otherwise it is impossible to determine the weak links of the nuclear power plant, thereby affecting the safe operation of the nuclear power plant. Summary of the invention

[0005] In view of this, the present application provides a method, device, electronic device and storage medium for identifying multi-module initiating events, which are used to comprehensively identify multi-module initiating events of high-temperature gas-cooled reactors to ensure the safe operation of nuclear power plants.

[0006] In order to achieve the above objectives, the proposed solution is as follows:

[0007] A method for identifying multi-module originating events, applied to electronic equipment, the method comprising the steps of:

[0008] Conducting a preliminary failure impact analysis on each system of a nuclear power plant to obtain at least one event initiating system that may cause an initiating event, wherein the nuclear power plant is provided with a high temperature gas-cooled reactor;

[0009] Analyze the failure modes of the system triggered by the event to obtain the impact range under different failure modes;

[0010] All multi-module initiating events of the high temperature gas-cooled reactor are determined according to the impact range.

[0011] Optionally, the performing of a preliminary failure impact analysis on each system of the nuclear power plant to obtain at least one event initiating system that may cause an initiating event comprises the steps of:

[0012] Conducting a preliminary failure effect analysis on each of the systems to identify at least one event system that can cause an initiating event for the high temperature gas-cooled reactor;

[0013] It is determined whether the event system is a common system, and if so, the event system is determined to be the event triggering system.

[0014] Optionally, the shared system is a multi-module shared system or a whole-plant shared system.

[0015] Optionally, the following steps are also included:

[0016] The types of the multi-module initiated events are defined according to the number of modules affected by the multi-module initiated events, and grouped to obtain a list of multi-module initiated events.

[0017] A device for identifying multi-module originating events, applied to electronic equipment, comprising:

[0018] A system analysis module is configured to perform a preliminary failure impact analysis on each system of a nuclear power plant to obtain at least one event initiating system that may cause an initiating event, wherein the nuclear power plant is provided with a high temperature gas-cooled reactor;

[0019] A mode analysis module is configured to analyze the failure mode of the event-triggered system to obtain the impact range under different failure modes;

[0020] The event determination module is configured to determine all multi-module initiating events of the high temperature gas-cooled reactor according to the impact range.

[0021] Optionally, the system analysis module includes:

[0022] a failure analysis unit configured to perform a preliminary failure impact analysis on each of the systems to determine at least one event system that can cause an initiating event for the high temperature gas-cooled reactor;

[0023] The common determination unit is configured to determine whether the event system is a common system, and if so, determine that the event system is the event triggering system.

[0024] Optionally, the shared system is a multi-module shared system or a whole-plant shared system.

[0025] Optionally, also include:

[0026] The list output module is configured to define the types of the modules according to the number of modules affected by the multi-module initiated event, and perform grouping processing to obtain a list of multi-module initiated events.

[0027] An electronic device comprises at least one processor and a memory connected to the processor, wherein:

[0028] The memory is used to store computer programs or instructions;

[0029] The processor is used to execute the computer program or instruction so that the electronic device implements the identification method as described above.

[0030] A storage medium is applied to an electronic device, wherein the storage medium carries one or more computer programs, and the one or more computer programs can be executed by the electronic device, so that the electronic device can implement the above-mentioned identification method.

[0031] It can be seen from the above technical scheme that the present application discloses a method, device, electronic device and storage medium for identifying multi-module initiating events. The method and device are applied to electronic devices, specifically to conduct a preliminary failure impact analysis on each system of a nuclear power plant, and obtain at least one event triggering system that will cause an initiating event. The nuclear power plant is provided with a high-temperature gas-cooled reactor; analyze the failure mode of the event triggering system to obtain the impact range under different failure modes; and determine all multi-module initiating events of the high-temperature gas-cooled reactor according to the impact range. Through this scheme, multi-module initiating events can be fully identified, so as to further determine the weak links of the nuclear power plant based on them, and avoid their impact on the safe operation of the nuclear power plant.

[0032] Comprehensive identification of multi-module initiating events can provide accurate input for subsequent safety evaluations, making safety evaluation results more precise and effective, thereby more reasonably discovering the weak links in multi-module design, guiding system configuration strategies in multi-module design, and ultimately improving the safety and economy of nuclear power plants. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 A flowchart of a method for identifying multi-module initiated events according to an embodiment of the present application;

[0035] Figure 2 A flowchart of another method for identifying multi-module initiated events according to an embodiment of the present application;

[0036] Figure 3 A block diagram of a multi-module originating event identification device according to an embodiment of the present application;

[0037] Figure 4 A block diagram of another multi-module originating event identification device according to an embodiment of the present application;

[0038] Figure 5 A block diagram of an electronic device according to an embodiment of the present application. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0040] Figure 1 The present invention is a flowchart of a method for identifying multi-module initiated events according to an embodiment of the present application.

[0041] like Figure 1 As shown, the identification method of this embodiment is applied to an electronic device for identifying a multi-module initiating event of a high temperature gas-cooled reactor. The electronic device can be understood as a computer, server or cloud platform with data computing and information processing capabilities. The identification method includes the following steps:

[0042] S1. Conduct a preliminary failure impact analysis for each system in the nuclear power plant.

[0043] The nuclear power plant deploys a multi-module high-temperature gas-cooled reactor. During the analysis, it is necessary to conduct a preliminary failure impact analysis on each system of the nuclear power plant. Specifically, the impact of each system on the safe operation of the high-temperature gas-cooled reactor in the event of failure is analyzed, so as to screen out the systems that will affect the safe operation of the high-temperature gas-cooled reactor when they fail. Here, they are called event-initiating systems. Specifically, the preliminary failure impact analysis is achieved through the following steps:

[0044] First, a failure impact analysis is conducted on all systems in the nuclear power plant to identify at least one event system whose failure may lead to an initiating event in the high-temperature gas-cooled reactor. Here, the impact on the high-temperature gas-cooled reactor mainly considers the two aspects that system failure may cause the reactor to shut down urgently or retreat within a certain period of time; at the same time, the systems directly connected to the primary and secondary circuits, as well as the downstream systems of these systems, are identified. Breach of these systems may lead to breach-type initiating events in the primary and secondary circuits.

[0045] Then, it is analyzed whether the event system is a shared system, and if so, it is determined that the event system is an event triggering system. The shared system here refers to a multi-module shared system or a whole-plant shared system.

[0046] S2. Analyze the failure mode of the system triggered by the event.

[0047] By analyzing the failure modes, we can obtain the impact range of different failure modes, which may lead to initiating events in several modules of the high-temperature gas-cooled reactor. For the systems directly connected to the primary and secondary circuits or their downstream systems, in addition to the above analysis, the impact range of each pipeline and equipment breach should also be analyzed one by one.

[0048] S3. Determine the multi-module initiating event based on the impact range.

[0049] After determining the impact range of the event initiating system under different failure modes, the multi-module initiating events of the high temperature gas-cooled reactor are determined according to the impact range.

[0050] It can be seen from the above technical scheme that this embodiment provides a method for identifying multi-module initiating events, which is applied to electronic equipment, specifically, conducting a preliminary failure impact analysis on each system of a nuclear power plant, obtaining at least one event triggering system that will cause a multi-module initiating event, and the nuclear power plant is equipped with a high-temperature gas-cooled reactor; analyzing the failure mode of the event triggering system to obtain the impact range under different failure modes; and determining all multi-module initiating events of the high-temperature gas-cooled reactor according to the impact range. Through this scheme, multi-module initiating events can be fully identified, so as to further determine the weak links of the nuclear power plant based on them, and avoid their impact on the safe operation of the nuclear power plant.

[0051] In addition, in a specific implementation of the present application, the following steps are also included: Figure 2 shown.

[0052] S4. Define event types and group them according to the modules affected.

[0053] After obtaining the above-mentioned multi-module initiating events, define the type of each initiating event according to the number of modules affected by it, and group all multi-module initiating events according to the type to form an event list, and output the multi-module initiating event list to the user.

[0054] By outputting the event list, users can conveniently understand the overall picture of multi-module initiated events.

[0055] Comprehensive identification of multi-module initiating events can provide accurate input for subsequent safety evaluations, making safety evaluation results more precise and effective, thereby more reasonably discovering the weak links in multi-module design, guiding system configuration strategies in multi-module design, and ultimately improving the safety and economy of nuclear power plants.

[0056] The flow chart and block diagram in the accompanying drawings illustrate the possible architecture, function and operation of the system, method and computer program product according to various embodiments of the present disclosure. In this regard, each square box in the flow chart or block diagram can represent a module, a program segment or a part of a code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. It should also be noted that in some implementations as replacements, the functions marked in the square box can also occur in a sequence different from that marked in the accompanying drawings. For example, two square boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved. It should also be noted that each square box in the block diagram and / or flow chart, and the combination of the square boxes in the block diagram and / or flow chart can be implemented with a dedicated hardware-based system that performs a specified function or operation, or can be implemented with a combination of dedicated hardware and computer instructions.

[0057] Although operations are depicted in a particular order, this should not be understood as requiring that the operations be performed in the particular order shown or in a sequential order.Multitasking and parallel processing may be advantageous under certain circumstances.

[0058] It should be understood that the various steps described in the method embodiments of the present disclosure may be performed in different orders and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present disclosure is not limited in this respect.

[0059] Computer program code for performing the operations of the present disclosure may be written in one or more programming languages ​​or a combination thereof, including, but not limited to, object-oriented programming languages, such as Java, Smalltalk, C++, and conventional procedural programming languages, such as C or similar programming languages. The program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server. In cases involving a remote computer, the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer.

[0060] Figure 3 A block diagram of a multi-module initiated event identification device according to an embodiment of the present application.

[0061] like Figure 3 As shown, the identification device of this embodiment is applied to an electronic device for identifying multi-module initiating events of a high-temperature gas-cooled reactor. The electronic device can be understood as a computer, server or cloud platform with data computing and information processing capabilities. The identification device includes a system analysis module 10, a pattern analysis module 20 and an event determination module 30.

[0062] The system analysis module is used to perform preliminary failure effect analysis on each system of a nuclear power plant.

[0063] The nuclear power plant is equipped with a multi-module high-temperature gas-cooled reactor. During the analysis, it is necessary to conduct a preliminary failure impact analysis on each system of the nuclear power plant, specifically, the impact of each system on the safe operation of the high-temperature gas-cooled reactor in the event of failure, so as to screen out the systems that will affect the safe operation of the high-temperature gas-cooled reactor when they fail, which are referred to as event triggering systems. Specifically, this module includes a failure analysis unit and a common judgment unit.

[0064] The failure analysis unit is used to perform failure impact analysis on all systems in the nuclear power plant, and to identify at least one event system whose failure may lead to an initiating event in the high-temperature gas-cooled reactor. Here, the impact on the high-temperature gas-cooled reactor mainly considers two aspects: when the system fails, it may cause the reactor to shut down urgently or retreat within a certain period of time; at the same time, it identifies the systems directly connected to the primary and secondary circuits, as well as the downstream systems of these systems. Breaks in these systems may lead to break-type initiating events in the primary and secondary circuits.

[0065] The common determination unit is used to analyze whether the event system is a common system, and if so, determine that the event system is an event triggering system. The common system here refers to a multi-module common system or a whole-plant common system.

[0066] The mode analysis unit is used to analyze the failure mode of the event-triggered system.

[0067] By analyzing the failure modes, we can obtain the impact range of different failure modes, which may lead to initiating events in several modules of the high-temperature gas-cooled reactor. For the systems directly connected to the primary and secondary circuits or their downstream systems, in addition to the above analysis, the impact range of each pipeline and equipment breach should also be analyzed one by one.

[0068] The event determination unit is used to determine a multi-module originating event according to an impact range.

[0069] After determining the impact range of the event initiating system under different failure modes, the multi-module initiating events of the high temperature gas-cooled reactor are determined according to the impact range.

[0070] It can be seen from the above technical scheme that this embodiment provides a device for identifying multi-module initiating events, which is applied to electronic equipment, specifically to perform a preliminary failure impact analysis on each system of a nuclear power plant, obtain at least one event triggering system that will cause an initiating event, and the nuclear power plant is equipped with a high-temperature gas-cooled reactor; analyze the failure mode of the event triggering system to obtain the impact range under different failure modes; and determine all multi-module initiating events of the high-temperature gas-cooled reactor according to the impact range. Through this scheme, multi-module initiating events can be fully identified, so as to further determine the weak links of the nuclear power plant based on them, and avoid their impact on the safe operation of the nuclear power plant.

[0071] In addition, in a specific embodiment of the present application, a list output unit 40 is also included, such as Figure 4 shown.

[0072] The list output unit is used to define event types and group them according to the modules they affect.

[0073] After obtaining the above-mentioned multi-module initiating events, define the type of each initiating event according to the number of modules affected by it, and group all multi-module initiating events according to the type to form an event list, and output the multi-module initiating event list to the user.

[0074] By outputting the event list, users can conveniently understand the overall picture of multi-module initiated events.

[0075] Comprehensive identification of multi-module initiating events can provide accurate input for subsequent safety evaluations, making safety evaluation results more precise and effective, thereby more reasonably discovering the weak links in multi-module design, guiding system configuration strategies in multi-module design, and ultimately improving the safety and economy of nuclear power plants.

[0076] The units involved in the embodiments described in the present disclosure may be implemented by software or hardware. The name of a unit does not limit the unit itself in some cases. For example, the first acquisition unit may also be described as a "unit for acquiring at least two Internet Protocol addresses".

[0077] The functions described above herein may be performed at least in part by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), complex programmable logic devices (CPLDs), and the like.

[0078] Figure 5 A block diagram of an electronic device according to an embodiment of the present application.

[0079] Reference below Figure 5 , which shows a schematic diagram of the structure of an electronic device suitable for implementing the embodiments of the present disclosure. The terminal device in the embodiments of the present disclosure may include, but is not limited to, mobile terminals such as mobile phones, laptop computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), vehicle-mounted terminals (such as vehicle-mounted navigation terminals), etc., and fixed terminals such as digital TVs, desktop computers, etc. The electronic device is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present disclosure.

[0080] The electronic device may include a processing device (e.g., a central processing unit, a graphics processing unit, etc.) 501, which can perform various appropriate actions and processes according to a program stored in a read-only memory ROM 502 or a program loaded from an input device 506 into a random access memory RAM 503. In the RAM, various programs and data required for the operation of the electronic device are also stored. The processing device, ROM, and RAM are connected to each other via a bus 504. An input / output (I / O) interface 505 is also connected to the bus 504.

[0081] Typically, the following devices may be connected to the I / O interface: input devices including, for example, a touch screen, a touchpad, a keyboard, a mouse, a camera, a microphone, an accelerometer, a gyroscope, etc.; output devices 507 including, for example, a liquid crystal display (LCD), a speaker, a vibrator, etc.; storage devices 508 including, for example, a magnetic tape, a hard disk, etc.; and communication devices 509. The communication device 509 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. Although the figure shows an electronic device with various devices, it should be understood that it is not required to implement or have all the devices shown. More or fewer devices may be implemented or have alternatively.

[0082] The present application also provides an embodiment of a computer-readable storage medium.

[0083] The computer-readable storage medium is applied to an electronic device and carries one or more computer programs. When the one or more computer programs are executed by the electronic device, the electronic device performs a preliminary failure impact analysis on each system of the nuclear power plant, obtains at least one event triggering system that will cause an initiating event, and the nuclear power plant is equipped with a high-temperature gas-cooled reactor; analyzes the failure mode of the event triggering system to obtain the impact range under different failure modes; and determines all multi-module initiating events of the high-temperature gas-cooled reactor according to the impact range. Through this solution, multi-module initiating events can be fully identified, so as to further determine the weak links of the nuclear power plant based on them and avoid their impact on the safe operation of the nuclear power plant.

[0084] It should be noted that the computer-readable medium disclosed above may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above two. The computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.

[0085] In the present disclosure, a computer-readable storage medium may be any tangible medium containing or storing a program that may be used by or in combination with an instruction execution system, apparatus, or device. In the present disclosure, a computer-readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer-readable program code. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which may send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device. The program code contained on the computer-readable medium may be transmitted using any suitable medium, including but not limited to: wires, optical cables, RF (radio frequency), etc., or any suitable combination of the above.

[0086] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0087] Although the preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the embodiments of the present invention.

[0088] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or terminal device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or terminal device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or terminal device including the elements.

[0089] The technical solution provided by the present invention is introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation mode of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation mode and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A method for identifying multi-module originating events, applied to electronic equipment, characterized in that: The identification method comprises the steps of: Conducting a preliminary failure impact analysis on each system of a nuclear power plant to obtain at least one event initiating system that may cause an initiating event, wherein the nuclear power plant is provided with a high temperature gas-cooled reactor; Analyze the failure modes of the system triggered by the event to obtain the impact range under different failure modes; All multi-module initiating events of the high temperature gas-cooled reactor are determined according to the impact range.

2. The identification method according to claim 1, characterized in that: The method of performing a preliminary failure impact analysis on each system of the nuclear power plant to obtain at least one event triggering system that may cause an initiating event comprises the following steps: Conducting a preliminary failure effect analysis on each of the systems to identify at least one event system that can cause an initiating event for the high temperature gas-cooled reactor; It is determined whether the event system is a common system, and if so, the event system is determined to be the event triggering system.

3. The identification method according to claim 2, characterized in that: The shared system is a multi-module shared system or a whole-plant shared system.

4. The identification method according to any one of claims 1 to 3, characterized in that: Also includes the steps: The types of the multi-module initiated events are defined according to the number of modules affected by the multi-module initiated events, and grouped to obtain a list of multi-module initiated events.

5. A device for identifying multi-module originating events, applied to electronic equipment, characterized in that: The identification device comprises: A system analysis module is configured to perform a preliminary failure impact analysis on each system of a nuclear power plant to obtain at least one event initiating system that may cause an initiating event, wherein the nuclear power plant is provided with a high temperature gas-cooled reactor; A mode analysis module is configured to analyze the failure mode of the event-triggered system to obtain the impact range under different failure modes; The event determination module is configured to determine all multi-module initiating events of the high temperature gas-cooled reactor according to the impact range.

6. The identification device according to claim 5, characterized in that The system analysis module includes: a failure analysis unit configured to perform a preliminary failure impact analysis on each of the systems to determine at least one event system that can cause an initiating event for the high temperature gas-cooled reactor; The common determination unit is configured to determine whether the event system is a common system, and if so, determine that the event system is the event triggering system.

7. The identification device according to claim 6, characterized in that The shared system is a multi-module shared system or a whole-plant shared system.

8. The identification device according to any one of claims 5 to 7, characterized in that: Also includes: The list output module is configured to define the types of the modules according to the number of modules affected by the multi-module initiated event, and perform grouping processing to obtain a list of multi-module initiated events.

9. An electronic device, characterized in that: The method comprises at least one processor and a memory connected to the processor, wherein: The memory is used to store computer programs or instructions; The processor is used to execute the computer program or instruction so that the electronic device implements the identification method according to any one of claims 1 to 4.

10. A storage medium, applied to an electronic device, characterized in that: The storage medium carries one or more computer programs, and the one or more computer programs can be executed by the electronic device, so that the electronic device can implement the identification method according to any one of claims 1 to 4.