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Design of an operator support system for online maintenance at nuclear power plant

CHU Yong-yue1, LI Hu-wei2, GAO Qiang3, YANG Ming4, and YI Yan5

1. Nuclear and Radiation Safety Center, Ministry of Environmental Protection of the People’s Republic of China, 100082 China (chuyongyue17@126.com)
2. Nuclear and Radiation Safety Center, Ministry of Environmental Protection of the People’s Republic of China, 100082 China (
lihuwei@chinansc.cn)
3. Nuclear and Radiation Safety Center, Ministry of Environmental Protection of the People’s Republic of China, 100082 China (
quagmire.gao@gmail.com)
4. “111 project” Nuclear Power Safety and Simulation, Harbin Engineering University, 150001 China (yangming@ hrbeu. edu. cn)
5. Nuclear and Radiation Safety Center, Ministry of Environmental Protection of the People’s Republic of China, 100082 China (
nscyiyan@126.com)

Abstract: Online maintenance based on reliability centered management is pivotal for the safe and economical operation of Nuclear Power Plant (NPP). This paper presents an operator support system through which the operators can effectively manage plant configuration and identify the weaknesses in plant operation. The proposed operator support system is based on the GO-FLOW, which is a success-oriented availability analysis methodology and can be used for evaluating phased missions. In this paper, the design of the proposed operator support system is introduced through a case study of the Auxiliary Feed Water System (AFWS).
Keyword: reliability centered maintenance; reliability analysis; operator support system; nuclear power plant

 
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