一起500 kV隔离开关误合事件分析及优化  

Analysis and Optimization of a 500 kV Isolating Switch Misconnection Event

作　　者：龙建华 崔华栋 姚言超 李果明[1] 郑星星[1] LONG Jianhua;CUI Huadong;YAO Yanchao;LI Guoming;ZHENG Xingxing(Guangzhou Bureau,EHV Power Transmission Company,Guangzhou 510405,China)

机构地区：[1]中国南方电网超高压输电公司广州局,广东广州510405

出　　处：《电工技术》2021年第11期121-122,125,共3页Electric Engineering

摘　　要：通过对一起500 kV隔离开关在无合闸命令情况下误合的事件进行分析,从控制回路原理出发,分析隔离开关误合的原因,并针对控制回路设计缺陷提出改进措施,以避免隔离开关在无合闸命令情况下误合。An event of 500 kV disconnector closing by mistake without closing command is analyzed.Based on the principle of control loop,the reason of the disconnector malocclusion is analyzed.Aiming at the design defects of the control circuit,the improvement measures are proposed to avoid the false closing of the disconnector without closing command.

关 键 词：隔离开关 误合 优化 

分 类 号：TM564[电气工程—电器]