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　　8月22日，蘭州東(dong)至銀川(chuan)東(dong)750千(qian)伏輸(shu)變(bian)電工(gong)程竣工(gong)儀式在寧夏電力公司銀川(chuan)東(dong)750千(qian)伏變(bian)電站舉(ju)行。該(gai)工(gong)程是我國首批750千(qian)伏電網(wang)(wang)建設(she)(she)項目。該(gai)工(gong)程的峻工(gong)，標志(zhi)著西北750千(qian)伏主(zhu)干網(wang)(wang)架已(yi)從(cong)示范建設(she)(she)階段(duan)轉向(xiang)全面建設(she)(she)階段(duan)，同(tong)時標志(zhi)著通過銀川(chuan)東(dong)750千(qian)伏變(bian)電站匯(hui)集的黃河(he)上游水電、甘肅千(qian)萬(wan)千(qian)瓦級風電和寧東(dong)火(huo)電“打(da)捆”外送輸(shu)電通道(dao)已(yi)經鋪就。

　　寧(ning)夏(xia)回族自治(zhi)(zhi)區政(zheng)府主席王正偉在竣(jun)工(gong)儀式(shi)上(shang)發(fa)表講話。他說，蘭州東(dong)(dong)至銀川東(dong)(dong)750千伏輸變電(dian)工(gong)程作為寧(ning)東(dong)(dong)能(neng)源(yuan)化工(gong)基地規劃建設的(de)重點(dian)項(xiang)目，這(zhe)項(xiang)工(gong)程的(de)竣(jun)工(gong)投產(chan)，標志著寧(ning)夏(xia)“西電(dian)東(dong)(dong)送(song)”工(gong)程邁出實質(zhi)性步伐，為自治(zhi)(zhi)區實現(xian)大規模電(dian)力(li)外送(song)奠定了堅(jian)實的(de)基礎，將對自治(zhi)(zhi)區進一步發(fa)揮(hui)能(neng)源(yuan)優勢，促進寧(ning)夏(xia)經濟社會(hui)又好(hao)又快發(fa)展(zhan)產(chan)生積極影響(xiang)。講話中(zhong)，王正偉贊揚(yang)了西北電(dian)網有限公(gong)司(si)和(he)寧(ning)夏(xia)電(dian)力(li)公(gong)司(si)在工(gong)程建設中(zhong)作出的(de)突出貢(gong)獻。

　　蘭州(zhou)東(dong)(dong)(dong)(dong)至(zhi)銀川(chuan)東(dong)(dong)(dong)(dong)750千(qian)(qian)伏(fu)(fu)輸(shu)(shu)變(bian)(bian)電(dian)(dian)(dian)工(gong)(gong)程(cheng)新建(jian)(jian)了(le)銀川(chuan)東(dong)(dong)(dong)(dong)750千(qian)(qian)伏(fu)(fu)變(bian)(bian)電(dian)(dian)(dian)站(zhan)，架設(she)(she)蘭州(zhou)東(dong)(dong)(dong)(dong)至(zhi)銀川(chuan)東(dong)(dong)(dong)(dong)750千(qian)(qian)伏(fu)(fu)輸(shu)(shu)電(dian)(dian)(dian)線(xian)路(lu)394千(qian)(qian)米。其中位于寧(ning)東(dong)(dong)(dong)(dong)能源(yuan)(yuan)化(hua)(hua)工(gong)(gong)基(ji)地的銀川(chuan)東(dong)(dong)(dong)(dong)750千(qian)(qian)伏(fu)(fu)變(bian)(bian)電(dian)(dian)(dian)站(zhan)是目前在建(jian)(jian)同(tong)電(dian)(dian)(dian)壓等(deng)級中規(gui)模(mo)最大的變(bian)(bian)電(dian)(dian)(dian)站(zhan)，是西(xi)北電(dian)(dian)(dian)網(wang)水火風電(dian)(dian)(dian)“打(da)捆”外送輸(shu)(shu)電(dian)(dian)(dian)通(tong)道(dao)(dao)中的重(zhong)要樞紐。這座變(bian)(bian)電(dian)(dian)(dian)站(zhan)的建(jian)(jian)成(cheng)，使(shi)寧(ning)夏擁有了(le)當前世界商業(ye)運行最高電(dian)(dian)(dian)壓等(deng)級電(dian)(dian)(dian)網(wang)，達到(dao)國際先進水平(ping)，為自治區寧(ning)東(dong)(dong)(dong)(dong)能源(yuan)(yuan)化(hua)(hua)工(gong)(gong)基(ji)地建(jian)(jian)設(she)(she)打(da)下堅實基(ji)礎；有力促進“西(xi)電(dian)(dian)(dian)東(dong)(dong)(dong)(dong)送”北通(tong)道(dao)(dao)——銀川(chuan)東(dong)(dong)(dong)(dong)至(zhi)山東(dong)(dong)(dong)(dong)±660千(qian)(qian)伏(fu)(fu)直流(liu)輸(shu)(shu)電(dian)(dian)(dian)工(gong)(gong)程(cheng)建(jian)(jian)設(she)(she)，將(jiang)對自治區資源(yuan)(yuan)優勢轉化(hua)(hua)為經(jing)濟優勢產生(sheng)深遠影(ying)響。

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　　銀川(chuan)東750千伏(fu)變(bian)(bian)電(dian)(dian)站(zhan)(zhan)開工建設于(yu)2006年(nian)12月(yue)12日。2008年(nian)8月(yue)4日，該(gai)變(bian)(bian)電(dian)(dian)站(zhan)(zhan)在(zai)順(shun)利完成設備(bei)調試及(ji)試運行后(hou)，正式投入運行。該(gai)變(bian)(bian)電(dian)(dian)站(zhan)(zhan)占地面(mian)積365畝，單臺主(zhu)變(bian)(bian)壓器容量、建設規模均為國內同級變(bian)(bian)電(dian)(dian)站(zhan)(zhan)之最。

　　在約19個月(yue)的(de)建設(she)時間(jian)里(li)，銀川東(dong)750千伏(fu)(fu)(fu)變電(dian)(dian)站創(chuang)下多(duo)個國(guo)(guo)(guo)內(nei)第一(yi)，實(shi)現(xian)多(duo)項(xiang)技(ji)術突破(po)，電(dian)(dian)氣一(yi)、二次(ci)設(she)備國(guo)(guo)(guo)產化率(lv)達100%。該變電(dian)(dian)站是國(guo)(guo)(guo)內(nei)首個750千伏(fu)(fu)(fu)電(dian)(dian)壓(ya)等級(ji)敞開(kai)(kai)(kai)式(shi)布置(zhi)的(de)交(jiao)直流(liu)合建的(de)變電(dian)(dian)站。750千伏(fu)(fu)(fu)變壓(ya)器(qi)、高(gao)壓(ya)電(dian)(dian)抗器(qi)首次(ci)采(cai)用同電(dian)(dian)壓(ya)等級(ji)國(guo)(guo)(guo)內(nei)容量最(zui)大的(de)210萬千伏(fu)(fu)(fu)安和(he)300兆(zhao)瓦(wa)設(she)備。750千伏(fu)(fu)(fu)罐式(shi)斷路(lu)器(qi)為(wei)世界(jie)首臺，750千伏(fu)(fu)(fu)隔(ge)離開(kai)(kai)(kai)關、330千伏(fu)(fu)(fu)支柱(zhu)斷路(lu)器(qi)及66千伏(fu)(fu)(fu)電(dian)(dian)抗器(qi)均為(wei)國(guo)(guo)(guo)內(nei)第一(yi)次(ci)采(cai)用。這(zhe)些國(guo)(guo)(guo)內(nei)首次(ci)研制(zhi)、開(kai)(kai)(kai)發、制(zhi)造(zao)的(de)設(she)備的(de)運用，推動我國(guo)(guo)(guo)超(chao)高(gao)壓(ya)大型電(dian)(dian)氣設(she)備從技(ji)術引進(jin)為(wei)主走(zou)向(xiang)自主創(chuang)新為(wei)主的(de)新階段，為(wei)國(guo)(guo)(guo)家(jia)特高(gao)壓(ya)設(she)備的(de)研發和(he)制(zhi)造(zao)打下了堅實(shi)基礎(chu)。