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adidas
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樓主  發(fā)表于: 2010-11-22 11:52
一個(gè)變頻器下端帶著(zhù)4個(gè)熱繼電器，空載

合上變頻器上端的斷路器的瞬間，偶爾發(fā)生個(gè)別熱繼電器跳閘的現象，這是怎么回事呢？
懿炎
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1樓  發(fā)表于: 2010-12-21 16:49
先看下電機有沒(méi)問(wèn)題呀

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