Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants

Guo Song; Li Xiaozhong; Wang Yuxiang

doi:10.13832/j.jnpe.2017.S1.0018

Volume 38 Issue S1

Feb. 2025

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Guo Song, Li Xiaozhong, Wang Yuxiang. Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants[J]. Nuclear Power Engineering, 2017, 38(S1): 18-21. doi: 10.13832/j.jnpe.2017.S1.0018

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Guo Song, Li Xiaozhong, Wang Yuxiang. Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants[J]. Nuclear Power Engineering, 2017, 38(S1): 18-21. doi: 10.13832/j.jnpe.2017.S1.0018

Guo Song, Li Xiaozhong, Wang Yuxiang. Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants[J]. Nuclear Power Engineering, 2017, 38(S1): 18-21. doi: 10.13832/j.jnpe.2017.S1.0018

Citation:

Guo Song, Li Xiaozhong, Wang Yuxiang. Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants[J]. Nuclear Power Engineering, 2017, 38(S1): 18-21. doi: 10.13832/j.jnpe.2017.S1.0018

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Optimization of Safety Valve Maintenance Policy for Nuclear Power Plants

doi: 10.13832/j.jnpe.2017.S1.0018

Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2017-04-21
Rev Recd Date: 2017-05-31

Available Online: 2025-02-09

Abstract

Abstract

At present, some nuclear power plants in China have been operating safely for more than 10 years, entering the middle stage of operation life. A lot of operational experience and data is accumulated for the system and equipment. The existing safety valve maintenance policy is based on the early design experience and the analysis assumptions of PSA（ probabilistic safety assessment）. These assumptions do not reflect the actual operational experience and feedback of the operating nuclear power plants. The reliability of these equipment is increased with the current technological developments. In this paper, the reliability-centered maintenance（RCM） method is used to optimize the maintenance policy of these safety valves.
- Nuclear power plant,
- Safety valve,
- RCM,
- Maintenance policy

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