一起CT20型弹簧机构断路器拒分故障原因分析及处理  

The breakdown reason and solving method of rejection of circuit breaker using CT20 spring mechanism

作　　者：张国宝 杨为 朱胜龙 赵恒阳 宋东波 Zhang Guobao;Yang Wei;Zhu Shenglong;Zhao Hengyang;Song Dongbo(State Grid Anhui Electric Power Co.,Ltd,Anhui Electric Power Research Institute,Hefei 230022)

机构地区：[1]国网安徽省电力有限公司电力科学研究院

出　　处：《电气技术》2019年第12期91-93,共3页Electrical Engineering

摘　　要：本文针对一起CT20型弹簧机构断路器拒分故障案例,结合现场的故障现象和CT20型弹簧机构的结构特点进行分析,查找出本起断路器拒分故障的原因为合闸弹簧储能不足。同时结合本案例对CT20型弹簧机构断路器的后续运维检修提出合理化建议。This paper analyzed the failure event of circuit breaker using the CT20 type spring mechanism caused by Insufficient compression of the closing spring.The corresponding solution and some reasonable suggestions for the follow-up operation and maintenance of the circuit breaker was put forward combined with the structural characteristics of the CT20 spring mechanism.

关 键 词：断路器 CT20型弹簧机构 拒分 分闸脱扣器 

分 类 号：TM561[电气工程—电器]