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Erschienen in:
2023 | OriginalPaper | Buchkapitel
Research on Source Range Channel Disturbance Diagnosis of Nuclear Instrumentation System
verfasst von : Chao Wang, Xiao-Fei Li, Jing Xiao, Jun-Wei Zheng, Wen-Qing Yang, Zheng-Dong Huang, Sheng-Xin Yuan, Ji-Kun Liu
Erschienen in: New Energy Power Generation Automation and Intelligent Technology
Verlag: Springer Nature Singapore
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Abstract
The source range channel of Nuclear Instrumentation System (RPN) of a nuclear power plant provides a neutron flux measurement at shutdown and during initialization phase of the start-up, which is very important to the control and safety of the plant. In order to qualitatively analyze the source range channel disturbance of the CPR1000 nuclear power plant, the article is based on the signal transmission link structure of source range channel, combined with the actual cases on the site, analyzes the easy failure points in the link to the source range one by one. Analyze the influx of the measurement channel, search the cause of the source range channel problem, and formulate corresponding treatment measures. It can not only analyze the safety and stability of the nuclear instrumentation system, and provide relevant information to the operator, but also has important guiding for the subsequent system commissioning, operation and maintenance of RPN system of similar types of nuclear power plants.