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denghong
我是一只草泥馬.!
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樓主  發(fā)表于: 2020-05-13 10:25
圖片:
工廠(chǎng)有4臺設備,每臺設備均有一個(gè)漏電開(kāi)關(guān)(30MA),四臺設備電源線(xiàn)共用一個(gè)總開(kāi)關(guān)(施耐德),(如圖所示)。
1.每臺設備單獨開(kāi)機未出現跳閘現象。四個(gè)設備同時(shí)運行有時(shí)候總開(kāi)關(guān)打不上去,有時(shí)候又可以。
2.每晚總開(kāi)關(guān)(施耐德)關(guān)閉后。早上再打開(kāi)總開(kāi)關(guān),會(huì )出現跳閘、一推上去就立馬跳閘,漏電端跳。
3.任意開(kāi)啟3臺設備,等幾分鐘后,再開(kāi)啟第4臺設備,總開(kāi)關(guān)又能打上去。

估計上4臺中那臺漏電了

一直沒(méi)找到原因,未徹底解決此問(wèn)題。
求路過(guò)的大佬支支招。
luelyzeng
歲月不饒人,我亦未曾饒過(guò)歲月
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1樓  發(fā)表于: 2021-07-14 08:48
總電開(kāi)關(guān)要用漏電開(kāi)關(guān),那就得找一個(gè)更大的漏 電流的,設備漏電疊加在一起,總開(kāi)關(guān)就跳,其實(shí)總開(kāi)關(guān)不用漏電開(kāi)關(guān)也行,     
好好賺錢(qián)

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