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xiaobo2009
態(tài)度決定一切,細節決定完美
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樓主  發(fā)表于: 2011-07-15 12:14
那們大蝦能告訴我,50臺1.5匹的空調,總電纜多大,零線(xiàn)要用多大?
農村娃
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1樓  發(fā)表于: 2011-07-15 12:30
3X25以上的銅芯電纜，至于零線(xiàn)嘛要看負載的使用情況，比如50臺都開(kāi)的話(huà)再加上你50臺三相分的平均零線(xiàn)幾乎是沒(méi)有電流的，再假如你50臺除以3等于一相差不多17臺的樣子，要是正好是開(kāi)的是這17臺那么你自己算算零線(xiàn)要多大吧

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