三(san)明(ming)治(zhi)繞(rao)法(fa)在(zai)電(dian)源(yuan)變(bian)壓(ya)器(qi)的(de)製(zhi)作(zuo)過(guo)程(cheng)中(zhong)是(shi)一(yi)種(zhong)比(bi)較(jiao)常(chang)見(jian)的(de)基(ji)礎(chu)繞(rao)法(fa)，跟(gen)三(san)明(ming)治(zhi)的(de)做(zuo)法(fa)一(yi)樣(yang)，這(zhe)種(zhong)繞(rao)法(fa)就(jiu)是(shi)在(zai)繞(rao)製(zhi)時(shi)遵(zun)循(xun)兩(liang)層(ceng)夾(jia)一(yi)層(ceng)的(de)原(yuan)則(ze)來(lai)製(zhi)作(zuo)的(de)。高(gao)頻(pin)變(bian)壓(ya)器(qi)三(san)明(ming)治(zhi)繞(rao)法(fa)可(ke)以(yi)減(jian)少(shao)變(bian)壓(ya)器(qi)的(de)漏(lou)感(gan)
，而(er)減(jian)少(shao)漏(lou)感(gan)帶(dai)來(lai)的(de)好(hao)處(chu)是(shi)電(dian)壓(ya)尖(jian)峰(feng)會(hui)降(jiang)低(di)，使(shi)MOSFET的電壓應力降低
，還可以改善EMI。youyuzaichujizhongjianjiaruleyigecijiraozu，bianyaqichujidecengjiandianrongyejiuxiangyingdededaolejianshao，jishengzhendangyejiusuizhijiangdi。youcikejianzhezhongraofadehaochuhaishitingduode。youyubeijiazaizhongjianderaozubutong
，sanmingzhiyoufenweiliangzhongraofa

，jichujijiaciji，cijijiachuji。xiamianwomenlaifenbiejieshao。

首shou先xian我wo們men來lai看kan第di一yi種zhong常chang見jian的de高gao頻pin電dian源yuan變bian壓ya器qi繞rao法fa，即ji初chu級ji夾jia次ci級ji的de繞rao法fa。這zhe種zhong繞rao法fa在zai平ping時shi的de實shi際ji操cao作zuo過guo程cheng中zhong也ye被bei叫jiao做zuo初chu級ji平ping均jun繞rao法fa
，其qi繞rao法fa的de演yan示shi圖tu如ru下xia圖tu圖tu1所示。


在使用這種初級平均繞法進行電源變壓器的繞製時
，其具體繞製過程如上圖圖1所展示的樣子，操作順序為Np/2-Ns-Np/2-Nb。zaishijishiyongshi，caiyongchujipingjunraofayouliangdadeyoudianzheyangyouliyuchucijideouhe，jianshaolougan。tongshi
，caiyongzheyiraofahaiyouliyuraoxiandepingzhengdu。zuihouyigehaochushi
，gongdianraozudianyabianhuashoucijidefuzaiyingxiangjiaoxiao，gengwending。dangranle，zheyiraofayeyouyixiequedian，youyuchucijiyoulianggejiechumian
，raozuouhedianrongbijiaoda。

jiexialaiwomenlaikanyixiagaopindianyuanbianyaqidedierzhongsanmingzhiraofa，cijijiachujideraofa。zheyiraofayoushihouyebeijiaozuocijipingjunraofa，qiraozhiyuanlituruxiatutu2所示，當使用這一繞製方法進行電源變壓器的繞製時，繞製順序為Ns/2-Np-Ns/2-Nb。當輸出是低壓大電流時，一般采用此種繞法居多。


采(cai)用(yong)次(ci)級(ji)平(ping)均(jun)繞(rao)法(fa)進(jin)行(xing)高(gao)頻(pin)電(dian)源(yuan)變(bian)壓(ya)器(qi)的(de)繞(rao)製(zhi)時(shi)，最(zui)大(da)的(de)一(yi)個(ge)優(you)勢(shi)就(jiu)在(zai)於(yu)，采(cai)用(yong)這(zhe)種(zhong)辦(ban)法(fa)繞(rao)製(zhi)的(de)電(dian)源(yuan)變(bian)壓(ya)器(qi)在(zai)運(yun)行(xing)時(shi)可(ke)以(yi)有(you)效(xiao)降(jiang)低(di)銅(tong)損(sun)引(yin)起(qi)的(de)溫(wen)升(sheng)。由(you)於(yu)輸(shu)出(chu)是(shi)低(di)壓(ya)大(da)電(dian)流(liu)，因(yin)此(ci)銅(tong)損(sun)對(dui)導(dao)線(xian)的(de)長(chang)度(du)較(jiao)為(wei)敏(min)感(gan)，繞(rao)在(zai)內(nei)側(ce)的(de)Ns/2可以有效較少繞線長度
，從而降低此Ns/2繞組的銅損及發熱。外層的Ns/2suishuoraoxianxiangduijiaochang，danshijibenshangshizaibianyaqidewaiceng，sanrelianghao，yinciqibenshendewenduyebuhuitaigao。chucizhiwai，gongchengshishiyongzhezhongdianyuanbianyaqideraozhifangshi，haikeyiyouxiaojianshaochujiouhezhibianyaqicixingaopinganrao。youyuchujiyuanlicixin
，cijidianyadi，guyinqidegaopinganraoyejiuxiangduijiaoxiaole。

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