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862060718
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樓主  發(fā)表于: 2021-04-28 10:02
各位師傅大家好!請教一下各位:我公司印刷機設備的幾臺45KW的變頻器經(jīng)常出現炸整流模塊,一炸就是三塊都壞掉,并且把斷路器都炸壞掉。我們檢查發(fā)現有一個(gè)共同的故障點(diǎn)就是整流塊所連接銅排相聆之間會(huì )出現打火現象,相當于兩相短路。而且變頻器有時(shí)沒(méi)運行剛送電就炸,各位師傅有誰(shuí)知道是什么原因造成的請指教,謝謝!
就是很奇怪,我公司有好幾臺設備都有用45KW安川變頻器,就是印刷機設備的的變頻經(jīng)常炸,而且總共有5臺變頻器,其中一臺控制主電機的變頻器都沒(méi)出現炸,就是另外4臺控制收放卷電機的變頻器經(jīng)常炸。
[ 此帖被862060718在2021-04-29 08:34重新編輯 ]
711022027
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1樓  發(fā)表于: 2021-04-29 08:01
銅排用熱縮套管套上,不能套的用液體電工膠。萬(wàn)能淘寶搜一下。
樓主留言:
都用熱縮管套上了,最近沒(méi)出現炸,但是昨天又炸了一臺。

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