干式變壓器通常與空載電流一起使用。干式(shi)變(bian)壓器具有大量的空載電流。對于干式變壓器，這些空載電流會對干式變壓器的運行產生影響。常見的干式變壓器空載電流的形式也非常多樣化。普通干式變壓器的空載電流的操作也對溫度有很大影響。有必要不斷提高干式變壓器的空載電流強度，以確保干式變壓器的空載電流合理保持溫度，從而更好地保護干式變壓器。對抗溫度變化。干式變壓器的空載電流對溫度有什么影響？讓我們一起來看下吧！

空(kong)(kong)(kong)載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(I0)是(shi)磁(ci)化電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(I1)與(yu)(yu)鐵(tie)損(sun)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(I2)的(de)(de)(de)矢量和(he)，由(you)于二(er)者成相位(wei)差900，所(suo)以空(kong)(kong)(kong)載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)為(wei)：I0=√(I1)2+(I2)2 (I1>>I2)溫升(sheng)(sheng)(sheng)是(shi)指干(gan)式變(bian)(bian)壓器(qi)工作(zuo)時鐵(tie)芯與(yu)(yu)線(xian)包(bao)的(de)(de)(de)溫度(du)高出周(zhou)圍環境溫度(du)的(de)(de)(de)部分(fen)δT。由(you)于I1>>I2，即鐵(tie)芯產生(sheng)的(de)(de)(de)損(sun)耗小，溫升(sheng)(sheng)(sheng)部分(fen)就很(hen)小，主要(yao)的(de)(de)(de)損(sun)耗來自(zi)于線(xian)包(bao)的(de)(de)(de)內阻(zu)以及(ji)線(xian)圈上(shang)面(mian)流(liu)(liu)過的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(P=I2R)，這是(shi)產生(sheng)溫升(sheng)(sheng)(sheng)主要(yao)的(de)(de)(de)因數(一般都是(shi)以線(xian)包(bao)的(de)(de)(de)平(ping)均溫升(sheng)(sheng)(sheng)作(zuo)為(wei)干(gan)式變(bian)(bian)壓器(qi)溫升(sheng)(sheng)(sheng)的(de)(de)(de)指標)。空(kong)(kong)(kong)載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da)小決定(ding)功率因數而影響電(dian)(dian)(dian)(dian)(dian)網或電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)，對于中(zhong)小功率的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)子干(gan)式變(bian)(bian)壓器(qi)來說，空(kong)(kong)(kong)載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)的(de)(de)(de)大(da)小對電(dian)(dian)(dian)(dian)(dian)網和(he)電(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)影響可忽(hu)略不計(ji)。溫升(sheng)(sheng)(sheng)是(shi)作(zuo)為(wei)一個電(dian)(dian)(dian)(dian)(dian)磁(ci)參量的(de)(de)(de)一個取值考慮，另一點影響干(gan)式變(bian)(bian)壓器(qi)的(de)(de)(de)壽(shou)命(ming)。由(you)此(ci)可見空(kong)(kong)(kong)載電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)大(da)小與(yu)(yu)溫升(sheng)(sheng)(sheng)的(de)(de)(de)高低關系(xi)可以忽(hu)略不計(ji)，要(yao)控(kong)制(zhi)溫升(sheng)(sheng)(sheng)則(ze)先要(yao)考慮的(de)(de)(de)是(shi)控(kong)制(zhi)繞組的(de)(de)(de)銅(tong)損(sun)。

　　以上是常見地(di)(di)干式變壓(ya)器的(de)溫升地(di)(di)主要的(de)和空載(zai)電(dian)流的(de)關系，要仔細地(di)(di)進行(xing)提(ti)高干式變壓(ya)器的(de)溫升的(de)變化，實現干式變壓(ya)器的(de)合理運(yun)行(xing)和效率地(di)(di)不(bu)斷地(di)(di)增強，讓干式變壓(ya)器獲得更好地(di)(di)運(yun)行(xing)安(an)全，從而保障安(an)全和效率地(di)(di)提(ti)高!