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[单选题]
把10KV高压电源变换到380V/220V低压的电源设备是()。
A.高压开关柜
B.降压电力变压器
C.低压配电设备
D.低压电容器屏
查看答案
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.高压开关柜
B.降压电力变压器
C.低压配电设备
D.低压电容器屏
A.242/110/10.5
B.242/127.05/10.5
C.242/121/11
D.220/121/10.5
建筑一般从市电()取得电源
A.高压10Kv或低压380v/220v
B.220v
C.380v/220v
D.10Kv