一起高压断路器分合闸线圈动作电压不合格问题分析及处理  

Fault Analysis and Treatment of Substandard Action Voltage of High Voltage Breaker Tripping and Closing Coil

作　　者：付炜平[1] 贾志辉[2] 范晓丹[1] 李江龙[1] 

机构地区：[1]国网河北省电力公司检修分公司,石家庄050070 [2]国网河北省电力公司,石家庄050021

出　　处：《河北电力技术》2015年第2期61-62,共2页Hebei Electric Power

摘　　要：针对某500kV变电站一起高压断路器分合闸线圈动作电压不合格问题,分析影响断路器动作电压的主要因素,认为线圈直流电阻选取过低是造成该型号断路器动作电压不合格的原因,提出更换断路器分合闸线圈的处理措施和相关建议。This paper analyses the reason why the substandard action Voltage of circuit breaker tripping and closing coil tends to being abnormal in 500 kV transformer substation,and point outs the main factors which influencing the circuit breaker operation.Testing dates prove that the analysis and processing method is appropriate.Suggestions are given to change the breaker tripping and closing coil.

关 键 词：高压断路器 分合闸线圈 动作电压 直流电阻 

分 类 号：TM561[电气工程—电器]