过电流试验装置
Overcurrent test equipment
过电流关断试验
overcurrent turn-off test
插棒式过电流继电器
plunger overcurrent relay
过载电流系数
over-load current coefficient
过载电流指示灯
overcurrent indicating light
后备过电流保护
backup over-current protection
活塞式过电流继电器
plunger type overcurrent relay
截流过电压保护
overvoltage protection of current cut-off
开关型过电流保护
switching over current protection
可控过电压试验
controlled overvoltage test
零序方向过电流保护
zero-sequence direction over current protection
瞬时电磁式过电流继电器
instantaneous electromagnetic overcurrent relay
瞬时过电流脱扣器
instantaneous over current tripping