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楊官華
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樓主  發(fā)表于: 2018-01-31 15:17
圖片：
380V三相對稱(chēng)負載，上圖功率計算正確嗎？
[ 此帖被楊官華在2018-01-31 16:29重新編輯 ]
wul2.4g
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1樓  發(fā)表于: 2018-02-01 12:25
如果是電熱絲，純電阻是可以這樣計算的，但如果不是，如電動(dòng)機繞組，不能這么計算！

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