一起10kV小车带电闭锁装置异常分析

Analysis on a 10kV Handcart Live Blocked Device Abnormality

本文针对一起10kV线路停电时接地刀闸无法操作的问题进行分析,通过研究开关柜刀闸回路线路、闭锁原理等,深入挖掘造成刀闸闭锁异常的主要原因。在该基础上提出对应故障处理方案,更换后柜带电闭锁装置,为10kV小车接地刀闸异常问题处理提供了相应的参考。

The paper analyzes the problem of the earth knife-switch being unable to operate when 10kV line is power failure.By studying the knife circuit of the switch cubide and block princople etc.,excavate the main reasons to cause the knife-switch block abnormality.on the basis of this,propose corresponding fault processing plan and replace the back cubicle live blocked device to provide relevaut reference for 10kV handcart earth knife switch,ahnormul problem of 10kV handcart earth knife swith.