高压开关柜“五防”闭锁改造总结

Five-antilock transformation of high-voltage switchgear

介绍了电气高压开关柜的五防闭锁的定义,分析了电气高压开关柜接地刀闸的事故,提出了五防闭锁改造方案,并以高压开关柜中接地刀闸的两项改造为例总结了改造过程和结果。

The definition of five anti-lock of electric high-voltage switchgear is introduced.The accident of earth knife brake of electric high-voltage switchgear is analyzed and five-antilock transformation scheme is put forward.The process and result of the transformation are summarized with two examples of the transformation of grounding knife gate in high-voltage switchgear.