断路器合于故障分析及改进措施  

Fault Analysis and Improvement Measures of Circuit Breaker Closing

作　　者：冯轩 张宇 何茂慧 谷相宏 FENG Xuan;ZHANG Yu;HE Maohui;GU Xianghong(Maintenance Branch Company,State Grid Jiangsu Electric Power Company,Nanjing 211102,China)

机构地区：[1]国网江苏省电力有限公司检修分公司,江苏南京211102

出　　处：《电工技术》2020年第24期111-112,168,共3页Electric Engineering

摘　　要：针对一起断路器合于故障,描述了事故过程,分析了保护动作情况,剖析了事故发生原因,并提出了整改措施,可为直流控保系统的断路器合闸逻辑改进提供参考。According to a circuit breaker closing fault,the accident process is described,the protection action is analyzed,and the cause of the accident is analyzed.The rectification measures are proposed,which can provide reference for the improvement of the circuit breaker closing logic of the DC control protection system.

关 键 词：站用电 失灵(启动)保护 合闸脉冲 防跳回路 

分 类 号：TM561[电气工程—电器]