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fengrunsheng
生活中本不缺少美,缺少的是發(fā)現美的眼睛!
級別: 網(wǎng)絡(luò )英雄
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發(fā)帖數量: 435 個(gè)
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下載積分: 19664 分
在線(xiàn)時(shí)間: 478(小時(shí))
注冊時(shí)間: 2014-09-07
最后登錄: 2024-12-07
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樓主  發(fā)表于: 2016-11-02 11:12
我家有10個(gè)日光燈,一樓5個(gè);二樓5個(gè).二樓有一盞燈總燒電子鎮流器.多則能用半年,少則月八的就壞掉.
把其它燈的鎮流器移到這盞燈上,同樣還是會(huì )壞掉.真的弄不明白了.
月光空城
級別: 探索解密
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發(fā)帖數量: 14 個(gè)
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在線(xiàn)時(shí)間: 27(小時(shí))
注冊時(shí)間: 2016-06-28
最后登錄: 2023-11-11
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1樓  發(fā)表于: 2016-11-02 11:34
       1、電子鎮流器在維修時(shí)發(fā)現,不接SW1,在插接加電過(guò)程中,多次損壞電子鎮流器,這是因為插接過(guò)程中,往往會(huì )出現多次通、斷的情況,這樣會(huì )產(chǎn)生很高的尖脈沖電壓擊穿易損元件。
       2、出現過(guò)流,繼續燒RO,這主要是VT1或VT2的c-e間耐壓一F降,存在高壓軟擊穿,必須選用耐壓足夠的三極管更換。
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