缓解系统性能指标与重要性判定程序监管工具应用研究  

Study on the Risk-informed Regulation Approaches of MSPI and SDP

作　　者：张国旭 陈露 张延云 马帅 张泽宇 ZHANG Guoxu;CHEN Lu;ZHANG Yanyun;MA Shuai;ZHANG Zeyu(Shanghai Nuclear Engineering Research and Design Institute Co.Ltd.,Shanghai 200233,China;Ministry of Environmental Protection East China Nuclear and Radiation Oversight Station,Shanghai 200233,China;Nuclear and Radiation Safety Center,MEE,Beijing 100082,China)

机构地区：[1]上海核工程研究设计院有限公司,上海200233 [2]生态环境部华东核与辐射安全监督站,上海200233 [3]生态环境部核与辐射安全中心,北京100082

出　　处：《核科学与工程》2022年第3期590-597,共8页Nuclear Science and Engineering

摘　　要：风险指引型核安全监管通过综合纵深防御、运行经验、事故分析和风险评价等考虑,使监管方的监管关注度与所监管物项风险重要度相匹配,从而在保证核安全前提下实现程度适当的监管。本文结合华东站监督检查发现问题,利用MSPI(缓解系统性能指标)和SDP(重要性判定程序)工具进行应用研究,并着重从基础原理、实例计算分析、监管应用考虑等方面分析了工具间的联系与差异。相关工作可以为风险指引型监管工具的应用与推广提供参考。By integrating operating experience,accident analysis,risk assessment and defense-in-depth philosophy into decision-making consideration,risk-informed regulation better focuses regulatory attention to an issue consistent with its risk significance,which facilitates the establishment of appropriate regulation without damaging nuclear safety at the same time.By referring to the inspection findings from nuclear safety regulatory organizations of China,this paper utilizes the mitigating system performance indicator(MSPI)and significance determination process(SDP)in the study.From perspectives of basic theory,instance analysis and regulatory application consideration,this paper analyzes the correlation and difference between MSPI and SDP.The work could provide reference for the application and promotion of risk-informed regulation approaches.

关 键 词：风险指引型监管 MSPI SDP PSA 

分 类 号：TL48[核科学技术—核技术及应用]