當(dang)s11型(xing)油(you)浸(jin)(jin)式(shi)電力(li)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)低(di)等繞阻插電后，磁(ci)鐵(tie)線(xian)圈所發生的(de)(de)磁(ci)通量在變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)鐵(tie)芯(xin)流通性，因為變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)鐵(tie)芯(xin)本(ben)身全是電導體，在豎直在磁(ci)感(gan)線(xian)的(de)(de)平面上便(bian)會(hui)感(gan)應線(xian)圈電位(wei)差，這(zhe)一(yi)(yi)電位(wei)差在變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)鐵(tie)芯(xin)的(de)(de)橫剖面上造成閉合回路并產生電總流量，好像p一(yi)(yi)個(ge)渦(wo)旋(xuan)因而稱作(zuo)"渦(wo)流".這(zhe)一(yi)(yi)"渦(wo)流"使s11型(xing)油(you)浸(jin)(jin)式(shi)電力(li)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)損耗再(zai)加上，并且使s11型(xing)油(you)浸(jin)(jin)式(shi)電力(li)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)鐵(tie)芯(xin)發熱s11型(xing)油(you)浸(jin)(jin)式(shi)電力(li)變(bian)(bian)(bian)(bian)(bian)(bian)壓(ya)(ya)(ya)器(qi)(qi)(qi)的(de)(de)提溫(wen)再(zai)加上。

　　由"渦流"所發生的(de)損(sun)耗(hao)(hao)大家稱作"鐵損(sun)".除此之外(wai)要電(dian)(dian)感線圈s11型油浸式(shi)電(dian)(dian)力變(bian)壓器需(xu)要用很多(duo)的(de)銅心線，這(zhe)(zhe)類銅導(dao)線存(cun)在著電(dian)(dian)阻，電(dian)(dian)總流量(liang)流期滿這(zhe)(zhe)電(dian)(dian)阻會耗(hao)(hao)費一(yi)定的(de)高效率，這(zhe)(zhe)一(yi)部分損(sun)耗(hao)(hao)一(yi)般變(bian)成熱值而耗(hao)(hao)費，咱們稱這(zhe)(zhe)種損(sun)耗(hao)(hao)為"銅損(sun)".因而s11型油浸式(shi)電(dian)(dian)力變(bian)壓器的(de)環境溫度(du)重要由鐵損(sun)和銅損(sun)造成的(de)。

　　因(yin)為s11型油浸(jin)(jin)式(shi)電力(li)(li)變(bian)壓器存在著鐵(tie)損與銅損，因(yin)而(er)(er)它輸(shu)出功(gong)率(lv)永久小于輸(shu)入功(gong)率(lv)，因(yin)而(er)(er)大家引入了一(yi)個高效能的性能參數來針(zhen)對(dui)這事進行描述，η=輸(shu)出功(gong)率(lv)/輸(shu)入功(gong)率(lv)。修改此段電感線圈原材料(liao)要(yao)電感線圈一(yi)個s11型油浸(jin)(jin)式(shi)電力(li)(li)變(bian)壓器我們要(yao)對(dui)與s11型油浸(jin)(jin)式(shi)電力(li)(li)變(bian)壓器有關(guan)的原材料(liao)要(yao)有一(yi)定的掌握(wo)，因(yin)而(er)(er)這里(li)我便介紹(shao)一(yi)下這種層面的基(ji)礎知識。

　　變(bian)壓(ya)器變(bian)壓(ya)器鐵(tie)芯(xin)原(yuan)材(cai)料s11型油浸式(shi)電力(li)變(bian)壓(ya)器運用的(de)(de)(de)變(bian)壓(ya)器變(bian)壓(ya)器鐵(tie)芯(xin)原(yuan)材(cai)料是金屬(shu)片中(zhong)參加(jia)(jia)硅能減少厚(hou)鋼(gang)板的(de)(de)(de)電導率，再加(jia)(jia)上電阻(zu)器，它可降低渦流，使(shi)之損(sun)耗降低。我(wo)們一般稱作加(jia)(jia)了硅的(de)(de)(de)厚(hou)鋼(gang)板為鐵(tie)氧體磁芯(xin)，s11型油浸式(shi)電力(li)變(bian)壓(ya)器的(de)(de)(de)質量(liang)常見的(de)(de)(de)鐵(tie)氧體磁芯(xin)的(de)(de)(de)質量(liang)有很大的(de)(de)(de)關系，鐵(tie)氧體磁芯(xin)的(de)(de)(de)質量(liang)一般用磁通密度B來表明。