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百度
蘇州硫化機 油壓機維修
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樓主  發(fā)表于: 2011-02-18 21:52

 [b]有一臺設備三相馬達2.2KW，接觸器前面有3保險，是老式的陶瓷保險座。經(jīng)常保險座炸掉，保險也會(huì )燒掉.換上新的就可以使用。過(guò)不了幾天就又爆了。馬達沒(méi)有問(wèn)題，線(xiàn)路也是好的。大家幫我分析一下。
sunpeter
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1樓  發(fā)表于: 2011-02-19 13:20
保險那么容易燒掉，那么第一查電機絕緣，二查接觸器觸點(diǎn)是否氧化嚴重，瞬間缺相電流也會(huì )很大的。只此2點(diǎn)，另外環(huán)境可以更換為DZ47-3*10A的自動(dòng)空氣開(kāi)關(guān)的。

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