我們在日常使用R型電源變壓器時，更多關注他們的功率和電壓比，通常對R型電源變壓器有載調壓的原理不太了解，什麼是變壓器有載調壓，他是通過怎樣的變壓過程來滿足我們日常所需的使用電壓呢？

yibanqingkuangxia
，dianyuanbianyaqidegaoyaraozudianzuzhongduanzaimouxiexianzazhijianchouchuyigejietou，dianyuanlianjiedaobutongdechoutoushang。gaoyaraozudianzudeshijixianzashubutong



，diyaraozudianzudexianzashuguding。yinci
，gaoyaraozudianzudebianhuayudiyaraozudianzudebianhuagouchengbutongdebianhua。genjushiyongqingkuang，diyazukeyisuigaoyaraozulianjiebutongdechoutouerchanshengbutongdedianya。

dianyuanbianyaqijibenshangdouyouchoutou
，keyigenjushijishiyongqingkuangtiaozhengdianyazhi，danwufuheyalitiaozhengzhanduoshu，zhuyaoshiyinweiyouxieshiyongchangjingdedianyabianhuabunamepinfanhuofanweibunameda，bunengjingchangtiaozheng。ruomouxieshebeihuoshiyongchangjingduidianyayouyangeyaoqiu，zexushiyongyouzaitiaoya。

變(bian)壓(ya)器(qi)負(fu)載(zai)調(tiao)壓(ya)是(shi)將(jiang)抽(chou)頭(tou)連(lian)接(jie)到(dao)具(ju)有(you)滅(mie)弧(hu)能(neng)力(li)的(de)開(kai)關(guan)上(shang)
，手(shou)動(dong)或(huo)自(zi)動(dong)調(tiao)節(jie)外(wai)部(bu)電(dian)源(yuan)，通(tong)過(guo)連(lian)接(jie)這(zhe)些(xie)抽(chou)頭(tou)，隨(sui)時(shi)調(tiao)整(zheng)低(di)壓(ya)繞(rao)阻(zu)輸(shu)出(chu)電(dian)壓(ya)。需(xu)要(yao)注(zhu)意(yi)的(de)是(shi)，在(zai)調(tiao)整(zheng)過(guo)程(cheng)中(zhong)，這(zhe)些(xie)開(kai)關(guan)應(ying)首(shou)先(xian)與(yu)所(suo)需(xu)的(de)抽(chou)頭(tou)連(lian)接(jie)

，然(ran)後(hou)斷(duan)開(kai)原(yuan)連(lian)接(jie)的(de)抽(chou)頭(tou)，這(zhe)與(yu)電(dian)壓(ya)運(yun)行(xing)電(dian)流(liu)有(you)關(guan)。像(xiang)我(wo)們(men)使(shi)用(yong)的(de)其(qi)他(ta)電(dian)源(yuan)開(kai)關(guan)一(yi)樣(yang)

，跳(tiao)轉(zhuan)開(kai)關(guan)需(xu)要(yao)在(zai)滅(mie)弧(hu)後(hou)斷(duan)開(kai)。

一(yi)般(ban)來(lai)說(shuo)，當(dang)係(xi)統(tong)電(dian)源(yuan)電(dian)壓(ya)發(fa)生(sheng)變(bian)化(hua)時(shi)，可(ke)以(yi)通(tong)過(guo)調(tiao)整(zheng)一(yi)次(ci)側(ce)分(fen)接(jie)開(kai)關(guan)來(lai)滿(man)足(zu)使(shi)用(yong)要(yao)求(qiu)。三(san)線(xian)圈(quan)變(bian)壓(ya)器(qi)通(tong)常(chang)滿(man)足(zu)中(zhong)低(di)壓(ya)用(yong)戶(hu)使(shi)用(yong)電(dian)壓(ya)的(de)要(yao)求(qiu)。如(ru)果(guo)中(zhong)低(di)壓(ya)係(xi)統(tong)電(dian)壓(ya)相(xiang)對(dui)穩(wen)定(ding)，則(ze)不(bu)需(xu)要(yao)中(zhong)壓(ya)分(fen)接(jie)開(kai)關(guan)。