基于系统可靠性分配的设备分级技术研究  

Research on Equipment Grading Based on System Reliability Allocation

作　　者：陈宝文[1] 张丹[1] 朱大欢[1] 蒋孝蔚 方红宇[1] 米争鹏 程瑞琪 钟明君[1] Chen Baowen;Zhang Dan;Zhu Dahuan;Jiang Xiaowei;Fang Hongyu;Mi Zhengpeng;Cheng Ruiqi;Zhong Mingjun(Science and Technology on Reactor System Design Technology Laboratory,Nuclear Power Institute of China,Chengdu,610213,China)

机构地区：[1]中国核动力研究设计院核反应堆系统设计技术重点实验室,成都610213

出　　处：《核动力工程》2021年第S02期140-145,共6页Nuclear Power Engineering

摘　　要：传统的设备分级方法以安全功能实现为基准,该方法无法兼顾核电厂(NPP)的经济性。针对该问题,以NPP高安全及高经济性实现为目标,提出一种基于系统可靠性分配且融合系统重要度与核安全重要度因子对设备进行分级的新方法。以浮动式核电站凝给水系统为例,开展设备可靠性分级研究。研究给出了考虑了系统重要度和核安全重要度后的可靠性量化结果。该结果可以作为设备分级的依据,并能够用于电厂设备的检修、故障诊断和健康管理。Traditional equipment grading method is based on the realization of safety function,which can not take into account the economy of nuclear power plant(NPP).A new method of equipment grading based on the system reliability allocation and system importance and nuclear safety importance factor is proposed for solving this problem and achieving high safety and high economy of NPP.Taking the condensate water supply system of floating nuclear power plant as an example,the equipment reliability grading research is carried out.The quantitative results of reliability considering system importance and nuclear safety importance are given.The results can be used as the basis for equipment grading,and can be used for maintenance,fault diagnosis and health management of power plant equipment.

关 键 词：核电厂(NPP) 系统重要度 系统可靠性 设备分级 

分 类 号：TL421.1[核科学技术—核技术及应用]