A.設(shè)備安裝接線正確 B.電源應(yīng)具備供電條件 C.電氣設(shè)備絕緣檢查符合合格標準 D.整定值已按規(guī)范要求整定完畢
A.50~100m B.50~150m C.100~150m D.150~200m
A.短路 B.拆除 C.開路 D.絕緣