CN-121979173-A - Test method of nuclear power station simulation system and computer program product

CN121979173ACN 121979173 ACN121979173 ACN 121979173ACN-121979173-A

Abstract

The application discloses a test method of a nuclear power station simulation system and a computer program product. The testing method covers the full life cycle of new construction and/or reconstruction of the nuclear power station simulation system, and combines the characteristics of each stage with the five-longitudinal six-transverse testing mode to set a corresponding stage testing scheme set. Therefore, not only the comprehensiveness of the test of each stage can be ensured, but also the characteristic of each stage can be adjusted in a targeted manner. The five-longitudinal six-transverse test mode is characterized in that the verification matrix is constructed by using six tools from five angles to form a plurality of verification units, so that the risk of common mode phenomenon in the test process can be reduced, and the independence and complementarity between different stages and the test tools are fully utilized. Meanwhile, through omnibearing coverage, the breadth and the depth of the test can be improved, systematic and comprehensive verification is realized, and further the safety and the controllability of digital new construction/transformation engineering of the nuclear power unit are effectively ensured.

Inventors

PENG CHAO
DONG YUE
ZHAN XIANGGUO

Assignees

岭澳核电有限公司
岭东核电有限公司
广东核电合营有限公司
大亚湾核电运营管理有限责任公司

Dates

Publication Date: 20260505
Application Date: 20251231

Claims (10)

1. A testing method of a nuclear power station simulation system is characterized in that the life cycle of new construction and/or reconstruction of the nuclear power station simulation system comprises four stages, and comprises the following steps: in each stage, respectively combining the corresponding stage characteristics with each verification unit in a preset verification matrix, and designing a corresponding stage test scheme set; Completing a corresponding phase test based on the phase test scheme set; The four stages of the life cycle comprise a design stage, a manufacturing stage, an installation and debugging stage and an operation and maintenance stage, each verification unit in the verification matrix is constructed based on a verification dimension X verification tool, the verification dimension comprises design and verification, equipment manufacturing and testing, field implementation verification, operation independent verification and maintenance independent verification, and the verification tool comprises an interface verification system, a minimum system, a DCS system of a No.1 unit and a No. 2 unit, a virtual main control room and a full-range simulation machine.
2. The test method of claim 1, wherein the set of phase test schemes for the manufacturing phase includes a forward test scheme; the forward test scheme is a key test scheme selected from a stage test scheme set corresponding to a preset stage and is used for performing factory test verification when forwarding to a manufacturing stage; the preset stage is a part or all of the installation and debugging stage and the operation and maintenance stage; And the key test scheme performs field test verification in the preset stage.
3. The testing method of claim 2, wherein the critical test protocol comprises: the test scheme is used for verifying the functional integrity, consistency and conformity of the nuclear power station simulation system under the target engineering configuration and operation conditions; the adjusting program test scheme is used for verifying the executability and the correctness of the debugging flow of the nuclear power station simulation system and related control logic; the operation control operation test scheme is used for verifying the response behavior of the nuclear power station simulation system to the operation instruction and the correctness of the control function in the operation process; the maintenance operation test scheme is used for verifying the control behavior, state switching and safety guarantee capability of the nuclear power station simulation system under the maintenance related operation conditions; The transient test scheme is used for verifying the dynamic response characteristic and stability of the nuclear power station simulation system under the condition of disturbance or state change; And a supplementary test scheme constructed based on the operation and maintenance program is used for verifying the comprehensive behavior of the nuclear power station simulation system under the driving of the operation and maintenance program and the adaptability of the comprehensive behavior to the actual operation and maintenance activity.
4. The testing method of claim 1, wherein each of the set of phase test solutions includes a subset of manufacturing plant test solutions and a subset of field test solutions divided based on test sites; For each two adjacent stages, performing a round of iterative testing, wherein the manufacturing plant test scheme subset of the next stage and the field test scheme subset of the next stage are iterated based on test results corresponding to the manufacturing plant test scheme subset of the last stage and the field test scheme subset of the last stage.
5. The test method of claim 4, wherein each round of the iterative test comprises some or all of the following iterative tests: interface iteration test, which is used for verifying and correcting interface suitability and envelope capability between the nuclear power station simulation system and the field device and external interface; The communication interface iteration test is used for verifying and correcting the adaptability of communication configuration, data interaction and communication logic between the nuclear power station simulation system and an external system; the simulation dynamic response iteration test is used for verifying and correcting consistency between response characteristics and design requirements of the nuclear power station simulation system under the dynamic working condition; The logic dynamic iteration test is used for verifying and correcting the behavior correctness of the control logic of the nuclear power station simulation system under different running states and working condition change conditions; and the range iteration test is used for adjusting and expanding the test contents and the test boundaries of the manufacturing factory test and the field test according to the test result.
6. The test method of any one of claims 1 to 5, wherein the verification tool further comprises an engineering prototype and a closed loop verification system for performing an intermediate state test between a full simulation test and a full actual test based on an actual device.
7. The test method of any one of claims 1 to 5, wherein the combined test of each of the sets of phase test protocols is to cover a target test range, the target test range comprising: The stage test range comprises a single DCS cabinet test, all DCS cabinet joint debugging tests, a plurality of relevant newly-built and/or modified projects in the same period, a DCS system and external interface connection test, a power station process logic test based on DCS system newly-built and/or modified, a power station dynamic characteristic verification test based on DCS system newly-built and/or modified, an operation test based on DCS system newly-built and/or modified and a maintenance operation test.
8. The testing method of any of claims 1 to 5, wherein the test products in each of the set of phase test scenarios will overlay a target test product comprising the software and hardware of the DCS system, the software and hardware of a third party system used in new and/or retrofit, the interface system, and the field device layer product.
9. The test method of any one of claims 1 to 5, wherein the test elements in each of the stage test plan sets are to cover target test elements including key test elements created and/or modified by the DCS system and typical test elements of the DCS system, both of which are determined by digital system engineering methods.
10. A computer program product comprising a computer program which, when executed by a processor, implements a method of testing a nuclear power plant simulation system according to any one of claims 1to 7.

Description

Test method of nuclear power station simulation system and computer program product Technical Field The application belongs to the technical field of nuclear power distributed systems, and particularly relates to a testing method of a nuclear power station simulation system and a computer program product. Background With the development of nuclear power technology, the digital simulation system gradually replaces the traditional instrument control simulation system due to high reliability, intelligence and maintainability, and becomes a main direction of nuclear power station construction and operation. At present, a part of in-service nuclear power units still adopt a meter-controlled simulation system, equipment aging, spare part production stopping and failure rate rising are caused to reduce system safety and economy, so that the development of new construction or reconstruction work of a digital simulation system is necessary. However, whether newly built or modified, the existing digital simulation system still has defects in the aspect of testing, particularly limited testing coverage, and difficulty in comprehensively reflecting the running state of the system, so that the implementation risk is high, and the project progress and quality are difficult to guarantee. Therefore, it is needed to establish a full-coverage digital simulation system testing method with systemization so as to improve the testing coverage rate and ensure the safety and controllability of the digital new/reconstruction engineering of the nuclear power unit. Disclosure of Invention The application provides a test method and a computer program product of a nuclear power station simulation system, which can effectively improve the test coverage rate, and further effectively ensure the safety and controllability of a nuclear power group digital new/reconstruction project. In a first aspect, the application provides a testing method of a nuclear power station simulation system, wherein the life cycle of the new and/or modified nuclear power station simulation system comprises four stages, and the testing method comprises the following steps: in each stage, combining the corresponding stage characteristics with each verification unit in a preset verification matrix respectively to design a corresponding stage test scheme set; The four life cycle stages of the life cycle comprise a design stage, a manufacturing stage, an installation and debugging stage and an operation and maintenance stage, each verification unit in the verification matrix is constructed based on a verification dimension multiplied by a verification tool, the verification dimension comprises design and verification, equipment manufacturing and testing, site implementation verification, operation independent verification and maintenance independent verification, and the verification tool comprises an interface verification system, a minimum system, a DCS system of a No. 1 unit and a No. 2 unit, a virtual master control room and a full-range simulation machine combination. Further, the set of phase test schemes for the manufacturing phase includes a forward test scheme; the forward test scheme is a key test scheme selected from a stage test scheme set corresponding to a preset stage and used for forwarding to a manufacturing stage for factory test verification, the preset stage is a part or all of an installation and debugging stage and an operation and maintenance stage, and the key test scheme is used for field test verification in the preset stage. Further, the key test scheme includes: the test scheme is used for verifying the functional integrity, consistency and conformity of the nuclear power station simulation system under the target engineering configuration and operation conditions; the adjusting program test scheme is used for verifying the executability and the correctness of the debugging flow of the nuclear power station simulation system and related control logic; the operation control operation test scheme is used for verifying the response behavior of the nuclear power station simulation system to the operation instruction and the correctness of the control function in the operation process; the maintenance operation test scheme is used for verifying the control behavior, state switching and safety guarantee capability of the nuclear power station simulation system under the maintenance related operation conditions; The transient test scheme is used for verifying the dynamic response characteristic and stability of the nuclear power station simulation system under the condition of disturbance or state change; And a supplementary test scheme constructed based on the operation and maintenance program is used for verifying the comprehensive behavior of the nuclear power station simulation system under the driving of the operation and maintenance program and the adaptability of the comprehensive behavior to the actual operation and maintenance activity.