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樓主  發(fā)表于: 2024-06-11 08:53
圖片：
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一臺a740變頻器，剛維修回來(lái)，運行過(guò)程中炸機了，一開(kāi)始8hz左右運行了5/6分鐘，各方面正常，提速到40hz左右，一分鐘不到炸了，頭一次遇到炸機，求大佬指點(diǎn)一二，日后好避坑
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1樓  發(fā)表于: 2024-06-11 10:47
你們現場(chǎng)環(huán)境潮濕嗎？原來(lái)是啥問(wèn)題去修的？如果原來(lái)也是炸機原因不好說(shuō)了，得拆開(kāi)看底下整流和IGBT怎么個(gè)壞法。

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