A.±10%
B.±5%
C.±3%
D.±7%
A.+7%-10%
B.±10%
C.±7%
D.+10%-7%
A.35kV及以上电压供电的,电压正、负偏差绝对值之和不超过额定电压的10%
B.10kV及以下三相供电的,为额定电压的±7%
C.220V单相供电的,为额定电压的+7%~-10%
D.10kV及以下三相供电的,为额定电压的±10%
A.+5%~-10%
B.+10%~-10%
C.+7%~-10%
D.+8%~-10%