CN-121980732-A - Nuclear reactor electromagnetic compatibility design method and device

CN121980732ACN 121980732 ACN121980732 ACN 121980732ACN-121980732-A

Abstract

The application provides a nuclear reactor electromagnetic compatibility design method and device, the method comprises the steps of obtaining an initial design scheme of a nuclear reactor, carrying out model simulation on the nuclear reactor according to the initial design scheme to obtain a numerical simulation model of the nuclear reactor, verifying electromagnetic field simulation data of the numerical simulation model based on electromagnetic compatibility standards corresponding to equipment types of electronic equipment to obtain a first verification result, carrying out iterative correction on the initial design scheme and the numerical simulation model under the condition that the first verification result indicates that the electromagnetic field simulation data does not meet the electromagnetic compatibility standards, and repeatedly executing verification on the electromagnetic field simulation data of the numerical simulation model to obtain a first verification result until the first verification result indicates that the electromagnetic field simulation data meets the electromagnetic compatibility standards, and taking the initial design scheme after iteration is ended as a first target design scheme.

Inventors

YUAN HUANHUAN
WU BAOAN
ZHAO YOUYOU
XIONG GUOHUA
LI TAO
LI GUOMIN
LU CHAOCHENG
LANG YUKAI

Assignees

中广核研究院有限公司
中国广核电力股份有限公司

Dates

Publication Date: 20260505
Application Date: 20251203

Claims (10)

1. A nuclear reactor electromagnetic compatibility design method, the method comprising: acquiring an initial design of the nuclear reactor, the initial design including information associated with an electromagnetic field environment of the nuclear reactor; Performing model simulation on the nuclear reactor according to the initial design scheme to obtain a numerical simulation model of the nuclear reactor; Verifying electromagnetic field simulation data of the numerical simulation model based on electromagnetic compatibility standards corresponding to equipment types of electronic equipment of the nuclear reactor to obtain a first verification result, wherein the electromagnetic field simulation data are used for indicating electromagnetic field environments of the nuclear reactor under the condition that the electronic equipment works normally; Performing iterative correction on the initial design scheme and the numerical simulation model under the condition that the first verification result indicates that the electromagnetic field simulation data does not meet the electromagnetic compatibility standard, and repeatedly performing verification on the electromagnetic field simulation data of the numerical simulation model to obtain a first verification result until the first verification result indicates that the electromagnetic field simulation data meets the electromagnetic compatibility standard; And taking the initial design scheme after the iteration is ended as a first target design scheme.
2. The method of claim 1, wherein after the terminating the iteration of the design is a first target design, the method further comprises: Acquiring electromagnetic field data obtained by performing an electromagnetic compatibility test on an electronic device of the nuclear reactor under the condition that the first target design scheme is practically applied to the nuclear reactor, wherein the electromagnetic field data is used for indicating an electromagnetic field environment of the nuclear reactor under the condition that the electronic device works normally; Verifying the electromagnetic field data based on a preset electromagnetic compatibility standard to obtain a second verification result; performing iterative correction on the first target design scheme according to the second verification result under the condition that the second verification result indicates that the electromagnetic field data does not meet the preset electromagnetic compatibility standard, and repeatedly performing verification on the electromagnetic field data to obtain a second verification result until the second verification result indicates that the electromagnetic field data meets the preset electromagnetic compatibility standard; and taking the first target design scheme after the iteration is ended as a second target design scheme.
3. The method of claim 2, wherein iteratively modifying the first target design solution based on the second verification result and repeatedly performing verification of the electromagnetic field data to obtain a second verification result, until the second verification result indicates that the electromagnetic field data meets the predetermined electromagnetic compatibility criteria, terminating iteration, comprising: and carrying out iterative correction on the first target design scheme and the preset electromagnetic compatibility standard according to the second verification result, and repeatedly executing verification on the electromagnetic field data to obtain a second verification result until the second verification result indicates that the electromagnetic field data meets the preset electromagnetic compatibility standard, and ending iteration.
4. The method of claim 2, wherein iteratively modifying the first target design from the second validation result comprises: And carrying out iterative correction on the first target design scheme according to the second verification result, and simultaneously carrying out iterative correction corresponding to the first target design scheme on the numerical simulation model.
5. The method of claim 1, wherein the nuclear reactor further comprises an electrical zone for disposing the electronics, the model simulating the nuclear reactor according to the initial design to obtain a numerical simulation model of the nuclear reactor, comprising: analyzing electromagnetic interference sources inside and outside the electric area according to the initial design scheme; Modeling is conducted on the electromagnetic interference source so as to obtain a numerical simulation model of the electromagnetic interference source; modeling is conducted on the electric area to obtain a numerical simulation model of the electric area; Modeling a typical object of the nuclear reactor to obtain a numerical simulation model of the typical object, wherein the typical object comprises electronic equipment and an electrical infrastructure in the nuclear reactor, and the electronic equipment and the electrical infrastructure are influenced by an electromagnetic field environment of the nuclear reactor to be larger than a first preset threshold value; and combining the numerical simulation model of the electromagnetic interference source, the numerical simulation model of the electric region and the numerical simulation model of the typical object into a numerical simulation model of the nuclear reactor.
6. The method of claim 5, wherein the number of electromagnetic interference sources is a plurality, and wherein the modeling the electromagnetic interference sources to obtain the numerical simulation model of the electromagnetic interference sources comprises: screening a plurality of electromagnetic interference sources to screen out electromagnetic interference sources which have less influence on the electromagnetic field environment of the nuclear reactor than a second preset threshold value; Modeling is conducted on the screened electromagnetic interference sources so as to obtain a numerical simulation model of the screened electromagnetic interference sources.
7. The method of claim 5, wherein modeling the electrical zone to obtain a numerical simulation model of the electrical zone comprises: modeling is conducted on the electric area, and an initial model of the electric area is obtained; Performing model simplification on the initial model to obtain a numerical simulation model of the electrical zone, the model simplification comprising: Deleting a model part of the non-electronic equipment and a model part of the non-electrical base set in the initial model; And deleting a model part of a space or structure in the initial model, wherein the influence on the electromagnetic field environment where the electronic equipment is located is smaller than a third preset threshold value.
8. A nuclear reactor electromagnetic compatibility design apparatus, the apparatus comprising: an acquisition module for acquiring an initial design of the nuclear reactor, the initial design including information associated with an electromagnetic field environment of the nuclear reactor; The simulation module is used for carrying out model simulation on the nuclear reactor according to the initial design scheme so as to obtain a numerical simulation model of the nuclear reactor; The verification module is used for verifying electromagnetic field simulation data of the numerical simulation model based on electromagnetic compatibility standards corresponding to equipment types of electronic equipment of the nuclear reactor to obtain a first verification result, wherein the electromagnetic field simulation data are used for indicating an electromagnetic field environment of the nuclear reactor under the condition that the electronic equipment works normally; The correction module is used for carrying out iterative correction on the initial design scheme and the numerical simulation model under the condition that the first verification result indicates that the electromagnetic field simulation data does not meet the electromagnetic compatibility standard, and repeatedly executing verification on the electromagnetic field simulation data of the numerical simulation model to obtain a first verification result until the first verification result indicates that the electromagnetic field simulation data meets the electromagnetic compatibility standard; And the determining module is used for taking the initial design scheme after the iteration is ended as a first target design scheme.
9. The apparatus of claim 8, wherein the apparatus further comprises: The secondary acquisition module is used for acquiring electromagnetic field data obtained by performing an electromagnetic compatibility test on electronic equipment of the nuclear reactor under the condition that the first target design scheme is practically applied to the nuclear reactor, wherein the electromagnetic field data is used for indicating the electromagnetic field environment of the nuclear reactor under the condition that the electronic equipment works normally; the secondary verification module is used for verifying the electromagnetic field data based on a preset electromagnetic compatibility standard to obtain a second verification result; A second correction module, configured to, when the second verification result indicates that the electromagnetic field data does not meet the preset electromagnetic compatibility standard, perform iterative correction on the first target design according to the second verification result, and repeatedly perform verification on the electromagnetic field data to obtain a second verification result, until the second verification result indicates that the electromagnetic field data meets the preset electromagnetic compatibility standard, and terminate iteration; and the secondary determining module is used for taking the first target design scheme after the iteration is ended as a second target design scheme.
10. The apparatus of claim 9, wherein the secondary correction module comprises: And the iteration correction unit is used for carrying out iteration correction on the first target design scheme and the preset electromagnetic compatibility standard according to the second verification result, and repeatedly executing verification on the electromagnetic field data to obtain a second verification result until the second verification result indicates that the electromagnetic field data meets the preset electromagnetic compatibility standard, and terminating iteration.

Description

Nuclear reactor electromagnetic compatibility design method and device Technical Field The invention relates to the technical field of nuclear power control, in particular to a nuclear reactor electromagnetic compatibility design method and device. Background The development of electronic technology has led to the application of a large number of electronic devices (including electrical devices and control devices, such as power supply and distribution cabinets, control cabinets, transformers, circuit breakers, rectifiers, inverters, frequency converters, etc.) in the nuclear power field, improving the reliability and operability of nuclear power, but also bringing complex electromagnetic compatibility (Electro-Magnetic Compatibility, EMC) problems. Electromagnetic compatibility refers to the ability of a device or system to function properly in an electromagnetic environment in which the device or system is located and not to constitute an intolerable electromagnetic interference to anything in the environment. The electromagnetic compatibility design of a nuclear power plant or a nuclear reactor is a major concern for designers because of the influence on the safety of the nuclear power plant or the nuclear reactor due to the fact that each system or equipment in the nuclear power plant or the nuclear reactor can normally operate. At present, the EMC design of the electronic equipment of the traditional large-scale civil nuclear power station (such as a pressurized water reactor, a heavy water reactor and the like) mainly aims at the specific electronic equipment to carry out equipment-level EMC test according to industry standards to verify the EMC performance of the electronic equipment, namely, in a laboratory, under the test conditions meeting the specifications of the EMC test industry standards, various equipment-level conduction and radiation tests are carried out, and if the test results meet the design indexes or the EMC test standards, the severe-level acceptance indexes are selected, namely, the electronic equipment is considered to be in accordance with the EMC design of the electronic equipment of the nuclear power station. With the progress of nuclear power technology, the nuclear power reactor type develops towards the directions of miniaturization, modularization, compactness, intellectualization and high frequency, compared with the traditional large nuclear power plant, the internal space arrangement of the reactor type is more compact, meanwhile, the electronic equipment is more intelligent, automatic and high frequency, the cable laying is also more dense, the electromagnetic environment of the electronic equipment is more complex and severe than that of the traditional large nuclear power plant, the EMC design of the electronic equipment has the following problems that at present, the EMC standard of the electronic equipment of the compact nuclear power plant is not available, and the electromagnetic environment of the electronic equipment of the compact nuclear power plant is worse than that of the traditional large nuclear power plant, so that the electromagnetic compatibility problem of the nuclear power plant is caused by directly using the EMC standard of the electronic equipment of the traditional large nuclear power plant aiming at single electronic equipment. Disclosure of Invention An object of an embodiment of the present application is to provide a design method and apparatus for electromagnetic compatibility of a nuclear reactor, which are intended to ensure reliable operation of electronic equipment of a compact nuclear reactor in a complex electromagnetic environment. In a first aspect, an embodiment of the present application provides a nuclear reactor electromagnetic compatibility design method, the method including: acquiring an initial design of the nuclear reactor, the initial design including information associated with an electromagnetic field environment of the nuclear reactor; Performing model simulation on the nuclear reactor according to the initial design scheme to obtain a numerical simulation model of the nuclear reactor; Verifying electromagnetic field simulation data of the numerical simulation model based on electromagnetic compatibility standards corresponding to equipment types of electronic equipment of the nuclear reactor to obtain a first verification result, wherein the electromagnetic field simulation data are used for indicating electromagnetic field environments of the nuclear reactor under the condition that the electronic equipment works normally; Performing iterative correction on the initial design scheme and the numerical simulation model under the condition that the first verification result indicates that the electromagnetic field simulation data does not meet the electromagnetic compatibility standard, and repeatedly performing verification on the electromagnetic field simulation data of the numerical simulation model to obtain a first v