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李志華
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樓主  發(fā)表于: 2015-04-25 13:02
我公司磨邊機用LG變頻器ig5A0.4KW,這款變頻器總是開(kāi)關(guān)電源電圧高而燒壞。輸入是三相200V穩壓電源。請各位大師幫忙分析是什么原因，開(kāi)關(guān)電源輸出高是哪塊有問(wèn)題。謝謝！

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