500kV隔离开关接触不良原因分析及防范措施  

Analysis and Prevention of Poor Contact of 500 kV Disconnect Switch

作　　者：杨雪飞 史美娟[2] 

机构地区：[1]南方电网超高压输电公司柳州局,广西柳州545006 [2]柳州职业技术学院,广西柳州545005

出　　处：《广西电力》2013年第6期36-38,共3页Guangxi Electric Power

摘　　要：对500 kV某变电站GW11-550DWI型隔离开关接触不良引发强迫停电事件处理过程进行介绍。通过对异常隔离开关进行停电解体检查,分析隔离开关接触不良的主要原因为动触头触指收紧力不足。针对存在的问题,给出了相应的处理方法及防范措施。The treatment process after the forced outage incident caused by the poor contact of GW11-550DWI type disconnect switch in a certain 500 kV substation is introduced. By the power-off disassembling detection of the abnormal disconnect switch,it is analyzed that main reason of the poor contact of the disconnect switch is the insufficient tightening force of the moving contact finger. According to the problem, treatment methods and preventive measures are proposed.

关 键 词：隔离开关 接触不良 触指收紧力 

分 类 号：TM564.1[电气工程—电器]