廈門泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
廈門泰尼電氣有限公司
主營(yíng)產(chǎn)品: AB模塊PLC |
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RELIANCE 45C220B---RELIANCE 45C220B
RELIANCE 45C220B---RELIANCE 45C220B
由開(kāi)關(guān)電源引起交流聲干擾
產(chǎn)生此類故障多是由輸出電路中的濾波電容漏電和電介電容枯干,效能下降引起。有些設(shè)備的開(kāi)關(guān)電源印刷板面積小,電介電容和電阻安裝較集中,大功率電阻發(fā)熱,在散熱條件差些情況下,使電介電容在較短時(shí)間內(nèi)枯干,導(dǎo)致輸出電平下降,濾波效果差,紋波系數(shù)增加,造成畫面上出現(xiàn)橫道交流聲干擾。在更換電容時(shí)應(yīng)換上容量比原電容容量大些,并注意設(shè)備散熱問(wèn)題,減小產(chǎn)生交流干擾故障的概率。
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泰尼菜譜
★主食:AB,施耐德和GE 發(fā)那科
★四菜一湯:AB 1785、1756、1747、1784,施耐德140系列,發(fā)那科A06B系列,西門子6ES,505系列熱賣!
★餐后水果:泰尼現(xiàn)貨
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