220 kV断路器合闸线圈烧毁原因分析及处理  

Cause Analysis and Treatment of Burning of Closing Coil of 220 kV Circuit Breaker

作　　者：吴锐 WU Rui(Guodian Sichuan Nanya River Hydro Power Station,Ya′an 625400,China)

机构地区：[1]国能四川电力股份有限公司南桠河发电厂,四川雅安625400

出　　处：《电工技术》2021年第23期162-164,共3页Electric Engineering

摘　　要：结合一起220 kV断路器合闸线圈及操作箱开出插件烧毁实例,对其烧毁原因进行了分析。主要阐述了开关二次合闸回路方面和机械传动部件方面的原因,并分析了操作箱开出插件烧毁和三相不一致保护未动作的原因,提出了防止合闸线圈烧毁的一般性预防措施。Based on a burning example of 220 kV circuit breaker switch closing coil and operation box opening plug-in,the burning reason is analyzed.The reasons for the secondary closing circuit of the switch and the mechanical transmission components are explained.The reasons for the burnout of the plug-in of the operation box and the failure of the three-phase inconsistent protection are analyzed,and the general preventive measures to prevent the closing coil from burning are proposed.

关 键 词：断路器 合闸线圈 烧毁 

分 类 号：TM622[电气工程—电力系统及自动化]