单相接地故障(K(1)故障)
single phase grounding fault
双线接地故障
double line to ground fault
一线接地故障
single-line-to-ground fault
单相断线故障
single-phase open-line fault
接地故障电流中断
ground fault current interrupt
接地故障诊断
grounding fault diagnosis
错误接线接线
error connection checking
单相接地故障选线
single phase grounding fault detection
single phase to ground fault line selection
single-phase-to-earth fault line selection
Single-phase-to-ground fault line selection
fault line selection