核电厂全部丧失热阱事故风险分析及其缓解措施研究
doi: 10.13832/j.jnpe.2018.06.0074
Study on Risk Analysis and Mitigation Measure for Loss of Heat Sink Accident
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摘要: 对国内某二代压水堆核电厂全部丧失热阱事故风险进行了详细分析和评价，根据分析评价结果，找出了目前全部丧失热阱事故缓解过程中存在的薄弱环节，并针对薄弱环节提出了相应的改进措施。通过概率安全评价（PSA）可知，改进后全部丧失热阱事故的风险有明显下降，这对提升核电厂安全水平具有重要意义。
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关键词:
- 核电厂 /
- 丧失热阱事故 /
- 概率安全评价（PSA） /
- 风险见解 /
- 改进
Abstract: This paper analyzes and evaluates the risk of total loss of heat sink accident of a Chinese second-generation pressurized water reactor (PWR). Possible weak links during the accident mitigation are identified and corresponding suggestions of improvement are provided in order to mitigate the risk of total loss of heat sink for this NPP.-
Key words:
- Nuclear power plant /
- Loss of heat sink accident /
- PSA /
- Risk insights /
- Improvement
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