220kV断路器防跳回路研究综述及案例分析  

Research Review and Case Analysis of Anti-tripping Circuit of 220 kV Circuit Breaker

作　　者：陈伟华 吴坚 叶仁杰 俞晨阳 马秀林 常俊晓 蒋旭 CHEN Weihua;WU Jian;YE Renjie;YU Chenyang;MA Xiulin;CHANG Junxiao;JIANG Xu(Taizhou Power Supply Company,State Grid Zhejiang Electric Power Co.,Ltd.,Taizhou 318000,China;State Grid Shaoxing Power Supply Company,Shaoxing 312000,China)

机构地区：[1]国网浙江省电力有限公司台州供电公司,浙江台州318000 [2]国网绍兴供电公司,浙江绍兴312000

出　　处：《电工技术》2020年第9期102-104,111,共4页Electric Engineering

基　　金：国网台州供电公司科技创新项目(编号5211TZ19000F)。

摘　　要：阐述防跳回路的定义和种类,说明操作箱防跳和断路器机构防跳的原理,分析采用机构本体防跳存在的问题,提出改进措施。以某地区220kV变电站发生事故时防跳失效为例,说明本体防跳回路中接点竞争情况,最后结合现场实际提出了断路器防跳回路的试验方法。The definition and types of anti-tripping circuit are described in detail in this paper,and the principle of anti-tripping of the operation box and circuit breaker mechanism is explained.The problems existing in adopting the breaker mechanism for anti-tripping are analyzed,and improvement measures are put forwarded.With the anti-tripping failure in a 220 kV transformer substation in an area as an example,the contact competition in the anti-tripping circuit of the breaker is analyzed.Finally,the experiment methods of anti-tripping circuit of the circuit breaker are put forward based on the actual field conditions.

关 键 词：继电保护 防跳回路 接点竞争 试验方法 

分 类 号：TM645.2[电气工程—电力系统及自动化]