升壓器當降壓器適當嗎? - 生活
By Tristan Cohan
at 2013-12-24T00:00
at 2013-12-24T00:00
Table of Contents
我有一個三相變壓器規格220V升壓400V5KVA,請問我可以反向接400V降壓成220v當作降壓器使用嗎?5KVA會改變嗎?或需要注意什麼?
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By John
at 2013-12-24T03:51
at 2013-12-24T03:51
By Annie
at 2013-12-28T03:42
at 2013-12-28T03:42
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