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UPS输出的电压是110V 外接220V变压器 可以吗?因为要用220电压
UPS输出的电压是110V 外接220V变压器 可以吗?因为要用220电压
2025-03-16 05:03:10
推荐回答(1个)
回答1:
你的接法没问题。
次级对地测带电,那是虚的电压,要解决此问题可以在次级的任一极对地并上一电容(450V/4.7uF,电容容值大点小点没关系)。
再用万用表测量就可解决此问题。
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