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富陽(yáng)工控
燈泡電工
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發(fā)帖數量: 337 個(gè)
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下載積分: 23633 分
在線(xiàn)時(shí)間: 157(小時(shí))
注冊時(shí)間: 2012-07-06
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樓主  發(fā)表于: 2015-01-29 21:46
廠(chǎng)里有臺液壓機床，用的1N繼電器PLC，第一次炸是因為動(dòng)力線(xiàn)零線(xiàn)斷了，回路電壓380V通到PLC里了，現在買(mǎi)了新的，我還特意為PLC加了380變220的隔離變壓器，沒(méi)用多久，電源模塊的大電容又炸了，買(mǎi)到假貨了？
wangcheng18
承接各種非標電氣系統設計，安裝，編程，調試，歡迎新老朋友光臨
級別: 略有小成
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發(fā)帖數量: 222 個(gè)
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下載積分: 26429 分
在線(xiàn)時(shí)間: 136(小時(shí))
注冊時(shí)間: 2014-08-11
最后登錄: 2025-06-09
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1樓  發(fā)表于: 2015-01-30 20:25
確認電源是否在正常范圍內，換高耐壓電容，我判斷是電源電壓升高造成的。

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