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dingzyi
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樓主  發(fā)表于: 2024-06-24 21:34
說(shuō)起電路安全,想起了去年公司改造的一臺設備,由于接線(xiàn)人員沒(méi)注意,錯把380接入220電路中,這一下上電后,plc燒了。電源燒了。當時(shí)不在現場(chǎng)。也沒(méi)有拍圖片,我在想之前的電路人員是怎么設計的電路;镜碾娐繁Wo沒(méi)有,連plc都能燒。如果在主電路中加接觸器控制。是不是更安全。能有效保護電路?,[各位大佬如何看待電路基本保護s:17]
plc
zq123666
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1樓  發(fā)表于: 2024-06-25 09:14
主電路裝接觸器配合按鈕開(kāi)關(guān)/旋鈕開(kāi)關(guān)來(lái)控制設備電源通斷,有的會(huì )用負載斷路開(kāi)關(guān)直接控制主電路通斷。
你這種接錯線(xiàn)上電就燒,和有無(wú)接觸器無(wú)關(guān)

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