文章來(lai)源：中國西電集團公司 發布時(shi)間：2018-10-11
近日，中(zhong)國西(xi)電(dian)(dian)為川藏鐵路拉(la)(la)薩(sa)至林(lin)芝段供電(dian)(dian)工程(cheng)雅中(zhong)（郎(lang)縣）、沃卡(ka)（拉(la)(la)薩(sa)）500千伏變(bian)電(dian)(dian)站新建工程(cheng)制造(zao)的(de)500千伏250兆(zhao)伏安單相(xiang)自耦變(bian)壓器一(yi)次性通過全部(bu)試(shi)驗，各項性能指標達到或優于國家標準和(he)技術協議(yi)的(de)要求。
藏(zang)(zang)(zang)中聯(lian)網(wang)(wang)工(gong)(gong)(gong)(gong)(gong)程(cheng)由西藏(zang)(zang)(zang)藏(zang)(zang)(zang)中和(he)(he)昌都電(dian)(dian)網(wang)(wang)聯(lian)網(wang)(wang)工(gong)(gong)(gong)(gong)(gong)程(cheng)、川藏(zang)(zang)(zang)鐵路拉薩至林芝段供電(dian)(dian)工(gong)(gong)(gong)(gong)(gong)程(cheng)組成，起于西藏(zang)(zang)(zang)昌都市(shi)芒康縣(xian)，止于山南市(shi)桑日縣(xian)，跨越西藏(zang)(zang)(zang)三(san)(san)地市(shi)十區縣(xian)，計劃新建(jian)(jian)、擴建(jian)(jian)110千(qian)(qian)伏及以上(shang)(shang)變電(dian)(dian)站16座(zuo)，新建(jian)(jian)110千(qian)(qian)伏及以上(shang)(shang)線路2738公里。該工(gong)(gong)(gong)(gong)(gong)程(cheng)是(shi)繼2011年青藏(zang)(zang)(zang)、2014年川藏(zang)(zang)(zang)兩大(da)輸電(dian)(dian)聯(lian)網(wang)(wang)工(gong)(gong)(gong)(gong)(gong)程(cheng)投運后(hou)，第(di)三(san)(san)條(tiao)(tiao)建(jian)(jian)設的超高(gao)壓(ya)500千(qian)(qian)伏電(dian)(dian)力天路，也是(shi)目前(qian)(qian)世界(jie)上(shang)(shang)海拔最高(gao)、跨度最大(da)、自(zi)然條(tiao)(tiao)件最復雜的世界(jie)級(ji)輸電(dian)(dian)聯(lian)網(wang)(wang)建(jian)(jian)設工(gong)(gong)(gong)(gong)(gong)程(cheng)。該工(gong)(gong)(gong)(gong)(gong)程(cheng)是(shi)實現西藏(zang)(zang)(zang)“十三(san)(san)五”跨越式發(fa)展、關系富民(min)興(xing)藏(zang)(zang)(zang)大(da)局的戰略工(gong)(gong)(gong)(gong)(gong)程(cheng)和(he)(he)民(min)心工(gong)(gong)(gong)(gong)(gong)程(cheng)，是(shi)突(tu)破生(sheng)命禁區、挑(tiao)戰生(sheng)存極限、超高(gao)海拔、超大(da)高(gao)差、自(zi)然條(tiao)(tiao)件最復雜、建(jian)(jian)設難度空前(qian)(qian)的“超級(ji)”輸變電(dian)(dian)工(gong)(gong)(gong)(gong)(gong)程(cheng)。該工(gong)(gong)(gong)(gong)(gong)程(cheng)建(jian)(jian)設對構建(jian)(jian)堅強(qiang)西藏(zang)(zang)(zang)電(dian)(dian)網(wang)(wang)網(wang)(wang)架，促進清潔能(neng)源開發(fa)外送，增(zeng)進民(min)族團結具(ju)有重大(da)意義。
在藏中(zhong)聯網(wang)項(xiang)目(mu)中(zhong)，中(zhong)國西電(dian)共(gong)承擔了(le)12臺500千(qian)伏(fu)單相自耦變壓器(qi)的制造(zao)任務(wu)。該項(xiang)目(mu)產(chan)(chan)品(pin)(pin)均用于海(hai)拔高(gao)(gao)度3500米以上、極端氣溫(wen)-45℃，具有容量大、高(gao)(gao)電(dian)壓、高(gao)(gao)海(hai)拔、晝夜溫(wen)差大、耐嚴寒、運(yun)輸困難(nan)等特點。此次制造(zao)成功的500千(qian)伏(fu)變壓器(qi)，既是(shi)這批產(chan)(chan)品(pin)(pin)的首(shou)臺產(chan)(chan)品(pin)(pin)，也(ye)是(shi)該司(si)為西藏地區提(ti)供的首(shou)臺500千(qian)伏(fu)高(gao)(gao)電(dian)壓等級的變壓器(qi)。