核电厂继电器老化管理探讨  

Discussion on Aging Management of Relay in Nuclear Power Plant

作　　者：张涛[1] 唐堂 施海宁[1] 刘韬[1] 杭玉桦 ZHANG Tao;TANG Tang;SHI Haining;LIU Tao;HANG Yuhua(Suzhou Nuclear Power Research Institute Co.,Ltd.,Suzhou,Jiangsu Province,215004 China)

机构地区：[1]苏州热工研究院有限公司,江苏苏州215004

出　　处：《科技创新导报》2021年第8期174-176,共3页Science and Technology Innovation Herald

摘　　要：核电厂继电器种类多、数量大、故障率高,继电器的老化状态与可靠性直接影响整个电气、仪控系统的性能和稳定性。通过对核电厂继电器的结构与材料、外部经验反馈、失效模式等进行统计,分析继电器老化的机理,继电器老化影响因素有环境应力、机械应力、电应力、热应力。在此基础上总结了对继电器老化的识别,并简要阐述了继电器老化缓解建议。The aging state and reliability of relays directly affect the performance and stability of the whole electrical and I&C system.Based on the statistics of structure and material,external experience feedback and failure mode of relay in nuclear power plant,the aging mechanism of relay is analyzed.The influencing factors of relay aging include environmental stress,mechanical stress,electrical stress and thermal stress.On this basis,it summarizes the identification of relay aging,and briefly describes the mitigation suggestions of relay aging.

关 键 词：继电器 老化管理 探讨 研究 

分 类 号：TM623[电气工程—电力系统及自动化]