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Analysis of Loss of Offsite Power Events at China’s Nuclear Power Plants

Author

Listed:
  • Feng Jiao

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Shanshan Ding

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Juan Li

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Lixin Zheng

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Qinghua Zhang

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Zhi Xiao

    (Nuclear and Radiation Safety Center, Beijing 100082, China)

  • Jie Zhou

    (Beijing Emergency Warning Center, Beijing 1000895, China)

Abstract

The function of the electric power system of nuclear power plants (NPPs) is to provide safe and reliable electricity for the equipment both in normal operation and accident conditions, and to provide emergency power for nuclear safety-related systems to maintain the safety of NPPs. Station blackout (SBO) occurs when loss of offsite power (LOOP) happens concurrently with unavailability of the onsite emergency alternating current (ac) power. LOOP is a precursor of SBO which rarely occurs but contributes significantly to reactor core damage frequency (CDF). Collecting and analyzing all LOOP events in NPPs of China from 1993 to 2017, this paper summarizes the common features of the LOOP events, and identifies the weaknesses and lessons learned from these events. Conclusions and experience feedback suggestions are put forward for improving the reliability of the offsite power supply of NPPs in China.

Suggested Citation

  • Feng Jiao & Shanshan Ding & Juan Li & Lixin Zheng & Qinghua Zhang & Zhi Xiao & Jie Zhou, 2018. "Analysis of Loss of Offsite Power Events at China’s Nuclear Power Plants," Sustainability, MDPI, vol. 10(8), pages 1-9, July.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:8:p:2680-:d:160930
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    Cited by:

    1. Inmaculada Silla & Francisco J. Gracia & José M. Peiró, 2020. "Upward Voice: Participative Decision Making, Trust in Leadership and Safety Climate Matter," Sustainability, MDPI, vol. 12(9), pages 1-17, May.

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