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近日，由中國西(xi)(xi)電設計制造的(de)蒙西(xi)(xi)-天(tian)津南特高壓交流工程首臺1000kV 1000MVA電力變(bian)(bian)壓器(qi)順(shun)利通過試(shi)驗，各項性能指標達(da)到(dao)或優于國家標準和技(ji)術協議(yi)要求，標志著該(gai)工程首臺雙百萬變(bian)(bian)壓器(qi)在(zai)中國西(xi)(xi)電研制成(cheng)功。

蒙(meng)西-天津南1000千伏特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)交流(liu)(liu)輸(shu)變(bian)電工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)是國家電網(wang)華北特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)交直流(liu)(liu)主(zhu)網(wang)架的(de)重(zhong)(zhong)要組(zu)成(cheng)部(bu)分。2015年，中(zhong)國西電成(cheng)功(gong)中(zhong)標蒙(meng)西-天津南特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)交流(liu)(liu)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)蒙(meng)西變(bian)電站7臺雙百萬變(bian)壓(ya)(ya)(ya)(ya)器(qi)和晉北變(bian)電站11臺特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)電抗器(qi)，是該批次特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)招標項目(mu)中(zhong)中(zhong)標份額(e)最大的(de)變(bian)壓(ya)(ya)(ya)(ya)器(qi)廠(chang)家。該工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)是中(zhong)國西電繼晉東南-南陽-荊(jing)門(men)特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)示(shi)范工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)、皖電東送特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)交流(liu)(liu)示(shi)范工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)、浙北-福州特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)、淮南-上海特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)、錫(xi)盟-山東特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)之后，成(cheng)功(gong)中(zhong)標的(de)又一(yi)特(te)(te)(te)(te)高(gao)(gao)(gao)壓(ya)(ya)(ya)(ya)重(zhong)(zhong)點工(gong)(gong)(gong)(gong)(gong)(gong)程(cheng)。

“蒙(meng)西-天津南1000kV特(te)高(gao)壓(ya)(ya)交(jiao)流工程”與先期(qi)建設(she)的(de)(de)(de)特(te)高(gao)壓(ya)(ya)交(jiao)流工程相比較，蒙(meng)西1000kV變(bian)(bian)電(dian)站處于大(da)風(feng)沙(sha)(sha)地區(qu)，揚沙(sha)(sha)現(xian)象較多，且有出現(xian)沙(sha)(sha)塵(chen)暴的(de)(de)(de)可(ke)能(neng),同時現(xian)場(chang)最(zui)低(di)環境溫度達(da)-30.9℃，運(yun)行(xing)條件(jian)惡劣，對特(te)高(gao)壓(ya)(ya)自耦變(bian)(bian)壓(ya)(ya)器的(de)(de)(de)安全可(ke)靠運(yun)行(xing)是極大(da)的(de)(de)(de)考驗(yan)，因此防(fang)風(feng)沙(sha)(sha)及低(di)溫啟動(dong)的(de)(de)(de)研究是本次設(she)計的(de)(de)(de)關(guan)鍵。

設計人(ren)員在沿用前期特(te)高(gao)壓產(chan)品成(cheng)熟(shu)結(jie)構，進一(yi)步推動(dong)國產(chan)化的同(tong)時(shi)，進行科研(yan)(yan)(yan)攻關、自主(zhu)(zhu)創新(xin)。完成(cheng)了高(gao)寒(han)及(ji)大風沙地區(qu)變(bian)壓器(qi)(qi)材料的結(jie)構及(ji)工藝(yi)研(yan)(yan)(yan)究(jiu)、高(gao)寒(han)及(ji)大風沙地區(qu)變(bian)壓器(qi)(qi)主(zhu)(zhu)要組(zu)件(jian)的選用及(ji)防護措施(shi)研(yan)(yan)(yan)究(jiu)、高(gao)寒(han)地區(qu)變(bian)壓器(qi)(qi)低(di)溫啟(qi)動(dong)方案的研(yan)(yan)(yan)究(jiu)，這一(yi)系列技術成(cheng)果(guo)進一(yi)步提(ti)升了我國特(te)高(gao)壓變(bian)壓器(qi)(qi)設計、工藝(yi)及(ji)制(zhi)造水(shui)平(ping)。

蒙西-天津南1000kV特(te)高壓(ya)交流工程首臺雙百萬變壓(ya)器(qi)順利通過試(shi)驗，為該工程后續6臺雙百萬變壓(ya)器(qi)產(chan)品和11臺特(te)高壓(ya)電抗器(qi)產(chan)品完成制造及通過試(shi)驗奠定了堅實(shi)基礎(chu)。