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電阻焊
拜師學(xué)藝，不恥下問(wèn)，
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樓主  發(fā)表于: 2010-11-04 21:06
一臺75KW電動(dòng)機，ABB，進(jìn)線(xiàn)為415V，采用Y/△降壓?jiǎn)?dòng)，電機銘牌額定電流126A,電機負載為油泵，現在我們電工用單根50平方電線(xiàn)接到接線(xiàn)盒，控制柜到電機有10米，這樣用50平方，是不是有點(diǎn)偏大，用35的可以嗎，
斷刀
包裝機械
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1樓  發(fā)表于: 2010-11-05 03:38
75KW電機星三角啟動(dòng)，電機的6根線(xiàn)用35的（因為是6根分流作用），開(kāi)關(guān)的進(jìn)線(xiàn)需要50的。

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