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li10142121
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樓主  發(fā)表于: 2012-05-27 16:03
公司用的是dw15-630萬(wàn)能式斷路器，前兩天斷路器擊穿對地，造成2000KVA變壓器跳閘，  把那一組隔離拉開(kāi)開(kāi)通變壓器在合閘，又一組擊穿跳閘了，斷路器的上線(xiàn)和下線(xiàn)都沒(méi)有連線(xiàn)和接地， 請教各位大蝦們，誰(shuí)遇到過(guò)這種情況，是什么原因造成的？  給斷路器制造的公司咨詢(xún) ，人家給的回答是變頻器二次輸出造成的，   哪就用著(zhù)一個(gè)變頻器是0.75KW的，變頻器哪的總閘是漏電的300A斷路器。請教各位  是什么情況 謝謝
a271156864
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1樓  發(fā)表于: 2012-05-27 21:17
換個(gè)好點(diǎn)看看~我有一次  也是那樣  沒(méi)多想 就去買(mǎi)了進(jìn)口  然后就OK了

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