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ltzxf
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樓主  發(fā)表于: 2012-08-30 16:22
設備上要裝一個(gè)0.4KW的驅動(dòng)電機，要求變頻控制轉速，普通三相電機能用嗎？頻率降低或升高多少比例會(huì )對電機有影響，問(wèn)了賣(mài)電機的回答是：變頻電機就是普通電機外加了一個(gè)風(fēng)扇，但價(jià)格貴一千多，那位知道變頻電機和普通電機的根本區別。
龐樹(shù)恒
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1樓  發(fā)表于: 2012-08-30 17:18
頻率不能太低最好在15--80之間。能在25-65是最好的。

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