750kV罐式断路器交流耐压试验放电分析  

Fault Analysis of AC Withstand Voltage Test of 750kV Tank Circuit Breaker

作　　者：龚源 高立超 王海龙 GONG Yuan;GAO Lichao;WANG Hailong(State Grid Gansu Electric Power Research Institute,Lanzhou 730050,China)

机构地区：[1]甘肃省电力公司电力科学研究院,甘肃兰州730050

出　　处：《电工技术》2023年第23期159-161,共3页Electric Engineering

摘　　要：某变电站750 kV罐式断路器检修后交流耐压试验时内部发现放电情况,随后通过综合分析并解体检查,发现放电部位。利用有限元电场仿真软件进行仿真分析,发现故障发生的原因,并针对故障原因提出解决方案,最后消缺并顺利通过试验。In a substation,internal discharge was observed in a group of 750 kV tank circuit breakers during AC withstand voltage test after maintenance.The discharge part was found after comprehensive analysis and inspection.Electric field simulation software was used to analyze the failure reason.Finally,the cause of the failure was solved and the tank circuit breaker passed the test successfully.

关 键 词：罐式断路器 合闸电阻 放电 软件仿真 

分 类 号：TM561[电气工程—电器]