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不知道叫啥啊
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樓主  發(fā)表于: 2024-06-11 08:53
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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
95275191
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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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