概率安全评价在核电厂设计和运行期间的技术特征及应用  

PSA’s Technical Characteristics and Applications During Design and Operation of NPPs

作　　者：冯云馨 赵玲 Feng Yunxin;Zhao Ling(Shanghai University of Electric Power,Shanghai 200090,China;Nuclear Power Operation Research institute,Shanghai 200126,China)

机构地区：[1]上海电力大学自动化工程学院,上海200090 [2]核电运行研究(上海)有限公司,上海200126

出　　处：《核安全》2023年第2期5-12,共8页Nuclear Safety

摘　　要：概率安全评价(以下简称PSA)作为核电工程项目中的一项风险评估方法和应用技术,其模型开发的详细程度随着核电工程项目的设计认证、建造调试和装料运行依次提升,对电站的安全性、可靠性以及经济性方面作出巨大贡献。为了更好地完成从设计阶段到运行阶段PSA模型的升级完善,更好地发挥PSA在核电厂整个寿期内的作用,通过分析梳理PSA技术在核电厂设计和运行阶段所支持的应用,凝练PSA的技术特征并总结模型完善的要点,促进PSA模型转化更加平顺,对更好地支持PSA技术在核电厂中的应用有重要意义。此外,本文根据分析对PSA建模提出了建议,对未来PSA模型动态化、模块化趋势进行了展望。As a risk assessment method and application technology in nuclear power engineering projects,detail of PSA model development improvs following design certification,construction commissioning and fuel loading phase of NPP’s projects.It makes a significant contribution to safety,reliability and economy of NPPs.In order to better complete upgrading and improvement of PSA model from design to operation phase and better play the role of PSA in entire life of NPPs,by analyzing applications supported by PSA technology during design and operation phases of NPPs,technical characteristics are sorted out and key points of model improvement are summarized,which promoting smoother conversion of PSA models and has great significance to better support application of PSA technology in NPPs.As well as,provides recommendations of PSA modeling based on analysis and prospects of future trends for dynamic and modular PSA.

关 键 词：概率风险评价 技术特征 风险指引型方法 状态风险管控 

分 类 号：TL364.5[核科学技术—核技术及应用]