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旺仔小仔
級別: 正式會(huì )員
精華主題: 0
發(fā)帖數量: 5 個(gè)
工控威望: 95 點(diǎn)
下載積分: 760 分
在線(xiàn)時(shí)間: 1(小時(shí))
注冊時(shí)間: 2015-04-10
最后登錄: 2015-04-28
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樓主  發(fā)表于: 2015-04-12 12:15
我有一個(gè)開(kāi)關(guān)電源輸入220V，輸出直流24V，可是空載有24V，加負載就會(huì )低到16V左右，請大師幫忙
zhouhajia
級別: 探索解密
精華主題: 0
發(fā)帖數量: 7 個(gè)
工控威望: 128 點(diǎn)
下載積分: 475 分
在線(xiàn)時(shí)間: 5(小時(shí))
注冊時(shí)間: 2012-12-18
最后登錄: 2016-06-11
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1樓  發(fā)表于: 2015-04-12 13:40
負載電流太大了，用一個(gè)輕負載試試，例如接一個(gè)24v繼電器直接到開(kāi)關(guān)電源上
如果沒(méi)有問(wèn)題就是原負載故障

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