1.概述

隨sui著zhe電dian氣qi設she備bei應ying用yong的de日ri益yi廣guang泛fan，電dian子zi設she備bei產chan生sheng的de電dian磁ci噪zao聲sheng也ye越yue來lai越yue嚴yan重zhong，幹gan擾rao了le電dian子zi設she備bei的de正zheng常chang工gong作zuo，特te別bie是shi對dui一yi些xie低di功gong耗hao的de便bian攜xie式shi設she備bei更geng是shi如ru此ci。

 

dianciganraoyouliangzhongchuanmeitujing，yizhongshiyouyugongzuodianliudedongtaibianhuashidejubudianwangshangdianyabuwen，congeryingxiangshiyongbendidianwangdeshebeigongzuo，zhezhongganraochengweichuandaoganrao。lingwaijiushishebeizhonggongzuodianliu（電壓）的動態變化產生電磁輻射，同樣影響其它設備的工作，這種幹擾稱為輻射幹擾。

 

電磁噪聲（幹擾）源除了人工生產的電子外
，還有一些自然現象（如閃電）和其它人為行為（如核爆炸等。）

 

電磁幹擾的影響也很大，輕則使設備的性能得不到很好的體現，重則使設備根本無法工作
，另外電磁輻射還可能導致機密情報泄漏。

 

抑製電磁幹擾的兩種有效途徑是彩電源濾波器hejiapingbizhuangzhi

，pingbizhuangzhizhuyaoshizhenduifusheganrao，jifangzhibenshendiancibodewaixieerzaochengxindeganraoyuan，youbimianshoudaowailaifushedeganrao。dianyuanlvboqizuijibendezuoyongjiushiyizhichuandaoganrao，youdepinzhongyenengtigaoduifusheganraodeyizhinengli。congguangyishangjiang，womenshiyongdejiaoliuwenyadianyuan，UPSdianyuanyekeyisuanshiyizhongdianyuanlvboqi，yinweizhexieshebeizaimouzhongchengdushangbadianzishebeiyudianwanggelikaile


，zheliwomenjieshaodedianyuanlvboqidoushifuzaidianzishebeizhongzuoweiyigeqijianshiyongdebushenfuzadewupin，womenchangzaizhiliudianyuandianluzhongjiayiRC電dian路lu來lai抑yi製zhi紋wen波bo

，電dian源yuan濾lv波bo器qi的de作zuo用yong就jiu是shi抑yi製zhi交jiao流liu電dian源yuan上shang的de幹gan擾rao。目mu前qian，隨sui著zhe電dian子zi設she備bei精jing密mi程cheng度du的de提ti高gao
，對dui電dian源yuan的de要yao求qiu也ye越yue來lai高gao


，同tong時shi，電dian子zi設she備bei的de廣guang泛fan應ying用yong也ye需xu要yao使shi各ge電dian子zi設she備bei生sheng產chan商shang對dui電dian磁ci環huan境jing作zuo出chu共gong同tong的de承cheng諾nuo，這zhe樣yang就jiu導dao致zhi電dian源yuan濾lv波bo器qi作zuo為wei一yi種zhong綠lv色se產chan品pin，越yue來lai越yue受shou到dao社she會hui的de重zhong視shi

，目mu前qian，一yi些xie世shi界jie標biao準zhun化hua組zu織zhi和he各ge國guo政zheng府fu都dou在zai製zhi定ding這zhe方fang麵mian的de標biao準zhun。

 

2.電源濾波器的組成

電源濾波器由LCwangluozucheng，qizuoyongyuanlishishidelvboqidezukangyuganraoyuandezukangbupipei，congershiganraoxinhaoyanganraoyuanjinlaidefangxiangfanshehuiqu，congerjiangdiganraoyuandeyingxiang。