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freedos
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樓主  發(fā)表于: 2014-07-20 12:22
圖片：
圖片：
這條生產(chǎn)線(xiàn)不是我負責的，很奇怪，，

4個(gè)月之中燒毀5臺SWE變頻器，，，測得電源電壓410V    ，，11個(gè)變頻器隨機燒毀的，，有一臺甚至是后半夜沒(méi)開(kāi)機的情況下燒掉的，，據此推斷損壞與負載和參數設置沒(méi)有關(guān)系，，，電控柜全密封，帶空調和取暖機......就是問(wèn)高手缺相狀態(tài)會(huì )不會(huì )燒毀變頻器，，我現在就是懷疑母線(xiàn)槽與電柜之間會(huì )不會(huì )出問(wèn)題，，換進(jìn)線(xiàn)電纜非常麻煩....


希望大家給個(gè)建議應該怎么去查，，謝謝了,,,
雨劍科技
級別: 正式會(huì )員
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1樓  發(fā)表于: 2014-07-23 14:36
請查看進(jìn)線(xiàn)部分，雖然工作量很大

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