請教110V兩相能不能抵銷 - 居家修繕
By Sarah
at 2021-11-16T11:36
at 2021-11-16T11:36
Table of Contents
1.問題類型(a.規劃 b.修繕 c.知識 d.技術支援 e.其他) : d
2.問題描述(請詳述問題在哪):
爬文得知,+110V和-110V電流是可以互相抵消的。於是用了8.0平方紅火線、8.0平方黑火
線當電源,「5.5平方白色水線」出銅排。
但後來發現,+110V與-110V是不是在結合成220V時才會互相抵消電流?!兩路若是經由零
線到銅排出去也能抵銷嗎?
如果分電箱有2P20A,再加上1P15A(紅電源)跟1P15A(黑電源),都會經過各別的中性
線匯集於銅排,再由「5.5平方的水線」回1樓主電箱,這樣是不是會在銅排相加可能產生
30A的電流?還是抵銷產生較低的電流呢?
3.問題存在時間:
半年
4.照片連結:
暫無
5.其他 :
想請教5.5平方的水線是否夠粗,如果不行,有補救的方法嗎
已修改發問內容,希望能讓更多人容易參考
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Tags:
居家修繕
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