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lixang1285
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樓主  發(fā)表于: 2012-07-28 15:55
圖片:
         一臺設備由一個(gè)15A的漏電開(kāi)開(kāi)關(guān)直接控制8臺 3相220VAC   0.4KW丹佛斯的變頻器, 給這臺設備供電的是一臺由DZ47-63( C63 )三相漏電開(kāi)關(guān)控制的10KVA 三相380VAC變三相220VAC的變壓器
     當設備的15A漏電開(kāi)關(guān)送電瞬間,控制變壓器的DZ47漏電開(kāi)關(guān)就跳閘,設備上15A漏電開(kāi)關(guān)不跳,有時(shí)重新送電又不跳,上電后設備能正常運行,經(jīng)測試沒(méi)有短路也沒(méi)有漏電,當斷電再送電時(shí)又會(huì )跳.,有些同樣的設備卻不會(huì )發(fā)生這種現象,這是什么原因呢?請高手們指教!

龐樹(shù)恒
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1樓  發(fā)表于: 2012-07-28 19:19
樓主說(shuō)的是DZ47C63的跳,不是漏電開(kāi)關(guān)跳。所以,我懷疑是開(kāi)關(guān)的問(wèn)題。你先換一個(gè)看下。DZ47-C63是幾安的?

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