變壓器廠家的電弧爐變壓器通過調壓方式滿足冶煉工藝的要求。其調壓方式主要分為有載調壓和無勵磁調壓兩種。
　　有(you)載調(diao)壓(ya)的大型(xing)電(dian)(dian)(dian)爐(lu)變(bian)(bian)壓(ya)器(qi)不帶(dai)(dai)串(chuan)聯(lian)電(dian)(dian)(dian)抗(kang)器(qi)，無勵磁調(diao)壓(ya)的中小型(xing)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)變(bian)(bian)壓(ya)器(qi)其結構(gou)(gou)形式(shi)可(ke)分為帶(dai)(dai)串(chuan)聯(lian)電(dian)(dian)(dian)抗(kang)器(qi)的和不帶(dai)(dai)電(dian)(dian)(dian)抗(kang)器(qi)的兩種，這兩種結構(gou)(gou)能(neng)在最(zui)高兩次(ci)電(dian)(dian)(dian)壓(ya)下改(gai)變(bian)(bian)阻(zu)抗(kang)。前者靠串(chuan)聯(lian)電(dian)(dian)(dian)抗(kang)器(qi)的投入(ru)和切(qie)除來改(gai)變(bian)(bian)阻(zu)抗(kang)。而后者則靠改(gai)變(bian)(bian)電(dian)(dian)(dian)弧(hu)(hu)爐(lu)變(bian)(bian)壓(ya)器(qi)自身高壓(ya)繞組(zu)的聯(lian)結方(fang)式(shi)來改(gai)變(bian)(bian)繞組(zu)阻(zu)抗(kang)。>電(dian)(dian)(dian)弧(hu)(hu)爐(lu)變(bian)(bian)壓(ya)器(qi)的維護

電弧爐(lu)(lu)變壓(ya)器良(liang)好的(de)預防(fang)性維修大(da)綱(gang)是保(bao)持電弧爐(lu)(lu)長期連續工作(zuo)的(de)關鍵。首先，要做到每半年檢查(cha)油樣(yang)一次(ci)；使用時應(ying)嚴格按(an)照說明書上的(de)條(tiao)件(jian)進行；并且(qie)要考慮自身電弧爐(lu)(lu)變壓(ya)器的(de)適(shi)用環境(jing)，根據室內外不(bu)同考慮其適(shi)用溫度(du)。