電源適配器的(de)(de)干(gan)擾是很多人都頭(tou)疼的(de)(de)問題(ti)，那么電(dian)源適配器的(de)(de)干(gan)擾如何解決?今天(tian)我們一(yi)起來(lai)看一(yi)下!

　　根(gen)據電(dian)磁兼(jian)容性(xing)產生的要素(su)，解決電(dian)源適配器的電(dian)磁兼(jian)容性(xing)可從三個(ge)方面入手：

　　1、減小干擾源產生的干擾信號

　　2、切斷干擾信號的傳播途徑

　　3、增強受干擾體的抗干擾能力

　　對電(dian)(dian)源適配器產生的(de)對外(wai)干擾(rao)(rao)(rao)，如電(dian)(dian)源線諧波電(dian)(dian)流(liu)、電(dian)(dian)源線傳導干擾(rao)(rao)(rao)、電(dian)(dian)磁場輻(fu)射干擾(rao)(rao)(rao)等(deng)，只能用(yong)減(jian)小干擾(rao)(rao)(rao)的(de)方(fang)法來解決。一(yi)方(fang)面，可以增強(qiang)輸入/輸出濾波電(dian)(dian)路(lu)的(de)設(she)計，改善有源功率因數補(bu)償(APFC)電(dian)(dian)路(lu)的(de)性能，減(jian)小開關管(guan)及整(zheng)流(liu)、續流(liu)二(er)極管(guan)的(de)電(dian)(dian)壓、電(dian)(dian)流(liu)變化(hua)率，采用(yong)各種軟開關電(dian)(dian)路(lu)拓補(bu)結(jie)構(gou)及控制方(fang)式等(deng);另一(yi)方(fang)面，加強(qiang)機殼(ke)的(de)屏蔽效果，改善機殼(ke)的(de)縫隙泄露，并進行良好的(de)接地處理。

　　對外部(bu)的(de)(de)(de)抗干(gan)擾(rao)能力，如浪涌、雷擊(ji)(ji)，應(ying)優化交流輸(shu)入(ru)及直流輸(shu)出(chu)端口的(de)(de)(de)防雷能力。對雷擊(ji)(ji)可采(cai)(cai)用(yong)氧(yang)化鋅壓敏(min)電(dian)(dian)(dian)(dian)(dian)阻與(yu)(yu)氣體(ti)放電(dian)(dian)(dian)(dian)(dian)管等的(de)(de)(de)組合方(fang)法來解決。對于靜電(dian)(dian)(dian)(dian)(dian)放電(dian)(dian)(dian)(dian)(dian)，采(cai)(cai)用(yong)TVS管及相應(ying)的(de)(de)(de)接(jie)地保護，加(jia)大小(xiao)(xiao)信(xin)(xin)號電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)與(yu)(yu)機殼等的(de)(de)(de)距離，或選(xuan)用(yong)具有抗靜電(dian)(dian)(dian)(dian)(dian)干(gan)擾(rao)的(de)(de)(de)器(qi)件來解決。減小(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)源適配器(qi)的(de)(de)(de)內部(bu)干(gan)擾(rao)，應(ying)從以下幾(ji)個方(fang)面入(ru)手：注意(yi)(yi)數字電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)與(yu)(yu)模擬電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)單點(dian)接(jie)地，大電(dian)(dian)(dian)(dian)(dian)流電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)與(yu)(yu)小(xiao)(xiao)電(dian)(dian)(dian)(dian)(dian)流特(te)別是(shi)電(dian)(dian)(dian)(dian)(dian)流、電(dian)(dian)(dian)(dian)(dian)壓取(qu)樣電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)的(de)(de)(de)單點(dian)接(jie)地，以減小(xiao)(xiao)共阻干(gan)擾(rao)、減小(xiao)(xiao)地環(huan)的(de)(de)(de)影(ying)響;布(bu)線時注意(yi)(yi)相鄰線間的(de)(de)(de)間距及信(xin)(xin)號性質，避免產生串擾(rao);減小(xiao)(xiao)地線阻抗;減小(xiao)(xiao)高(gao)壓大電(dian)(dian)(dian)(dian)(dian)流線路(lu)(lu)(lu)特(te)別是(shi)變(bian)壓器(qi)原邊(bian)與(yu)(yu)開關管、電(dian)(dian)(dian)(dian)(dian)源濾波電(dian)(dian)(dian)(dian)(dian)容電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)所(suo)包(bao)圍的(de)(de)(de)面積;減小(xiao)(xiao)輸(shu)出(chu)整流電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)及續流二極管電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)與(yu)(yu)直流濾波電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)所(suo)包(bao)圍的(de)(de)(de)面積;減小(xiao)(xiao)變(bian)壓器(qi)的(de)(de)(de)漏電(dian)(dian)(dian)(dian)(dian)感、濾波電(dian)(dian)(dian)(dian)(dian)容的(de)(de)(de)分布(bu)電(dian)(dian)(dian)(dian)(dian)容;采(cai)(cai)用(yong)諧振(zhen)頻率高(gao)的(de)(de)(de)濾波電(dian)(dian)(dian)(dian)(dian)容器(qi)等。

　　在傳(chuan)播(bo)途徑方面，適(shi)(shi)(shi)當(dang)的(de)(de)增(zeng)加高(gao)(gao)抗干(gan)擾(rao)能力的(de)(de)TUS及高(gao)(gao)頻電容、鐵氧體磁珠(zhu)等(deng)(deng)元器(qi)(qi)(qi)件，以提高(gao)(gao)小信號(hao)(hao)電路的(de)(de)抗干(gan)擾(rao)能力;與機殼距離較近的(de)(de)小信號(hao)(hao)電路，應加適(shi)(shi)(shi)當(dang)的(de)(de)絕緣耐壓處(chu)理(li)等(deng)(deng);功(gong)率(lv)器(qi)(qi)(qi)件的(de)(de)散熱器(qi)(qi)(qi)、主(zhu)變(bian)壓器(qi)(qi)(qi)的(de)(de)電磁屏(ping)蔽層要適(shi)(shi)(shi)當(dang)接(jie)地;各控制(zhi)單元間的(de)(de)大面積接(jie)地用接(jie)地板屏(ping)蔽;在整(zheng)(zheng)流器(qi)(qi)(qi)的(de)(de)機架上，要考慮各整(zheng)(zheng)流器(qi)(qi)(qi)間電磁耦(ou)合、整(zheng)(zheng)機地線布置等(deng)(deng)，以改善電源適(shi)(shi)(shi)配器(qi)(qi)(qi)內部工作(zuo)的(de)(de)穩(wen)定性。

　　對于電(dian)源適配器的干擾(rao)如何解(jie)決想必大家(jia)已經(jing)簡單(dan)了解(jie)了，希望大家(jia)遇到這個問題的時候可以順(shun)利解(jie)決!