The questions of earthingswitch switching induced current are discussed in this paper, and the operating mode is summarized.
概括了接地开关开合感应电流的运行工况及同杆双回线路电磁感应与静电感应的产生机理；
2
With the earthingswitch closed, insertion of the withdrawable part towards the service position must be blocked after only two clockwise turns of the crank.
如果接地开关处于合闸状态，手车向工作位置的操作必须被机械联锁锁定。
3
The electrical elements connected include circuit breaker disconnector and earthingswitch current transformer voltage transformer lightning arrester bus etc.