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z00436
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發(fā)帖數量: 110 個(gè)
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樓主  發(fā)表于: 2011-04-10 22:42
最近遇見(jiàn)一臺電機，把相序換了，電機方向不變，用手轉一下軸，朝哪個(gè)方向轉，上電后就繼續朝哪個(gè)方向轉
huhaiming
上海
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1樓  發(fā)表于: 2011-07-10 17:50
用手摸一下電機是否發(fā)熱，停止電機再次啟動(dòng)，是否能啟動(dòng)，假如不能啟動(dòng)而且電機有：嗯嗯“聲音，說(shuō)明是缺項，也就是說(shuō)單項運轉，假如沒(méi)有上述原因，那就是電機本身有問(wèn)題，

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