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　　8月22日(ri)，蘭州(zhou)東(dong)至銀川東(dong)750千(qian)伏(fu)輸(shu)變(bian)電(dian)工(gong)(gong)程(cheng)竣工(gong)(gong)儀式在(zai)寧(ning)夏電(dian)力(li)公司銀川東(dong)750千(qian)伏(fu)變(bian)電(dian)站舉行。該工(gong)(gong)程(cheng)是我國首批(pi)750千(qian)伏(fu)電(dian)網建(jian)(jian)設(she)(she)項(xiang)目。該工(gong)(gong)程(cheng)的峻工(gong)(gong)，標(biao)志(zhi)著西北750千(qian)伏(fu)主(zhu)干網架已(yi)(yi)從示(shi)范建(jian)(jian)設(she)(she)階段轉(zhuan)向(xiang)全面建(jian)(jian)設(she)(she)階段，同時標(biao)志(zhi)著通過銀川東(dong)750千(qian)伏(fu)變(bian)電(dian)站匯集(ji)的黃河上游水(shui)電(dian)、甘肅(su)千(qian)萬(wan)千(qian)瓦級風電(dian)和寧(ning)東(dong)火電(dian)“打捆”外送輸(shu)電(dian)通道已(yi)(yi)經鋪就。

　　寧夏(xia)回族自治區政府主席王(wang)正(zheng)(zheng)偉(wei)在竣工(gong)(gong)儀式上發(fa)表講(jiang)話。他說，蘭州東(dong)至(zhi)銀川東(dong)750千(qian)伏輸變(bian)電(dian)(dian)工(gong)(gong)程(cheng)(cheng)作(zuo)為寧東(dong)能(neng)(neng)源化(hua)工(gong)(gong)基(ji)地規劃建(jian)(jian)設(she)(she)的(de)重點(dian)項目，這(zhe)項工(gong)(gong)程(cheng)(cheng)的(de)竣工(gong)(gong)投產，標志著寧夏(xia)“西電(dian)(dian)東(dong)送”工(gong)(gong)程(cheng)(cheng)邁(mai)出(chu)實質性(xing)步伐，為自治區實現大(da)規模(mo)電(dian)(dian)力外送奠定了(le)堅實的(de)基(ji)礎，將對自治區進一步發(fa)揮能(neng)(neng)源優(you)勢，促進寧夏(xia)經濟社會又好又快發(fa)展(zhan)產生積極影響(xiang)。講(jiang)話中(zhong)，王(wang)正(zheng)(zheng)偉(wei)贊揚了(le)西北電(dian)(dian)網有限公司(si)和寧夏(xia)電(dian)(dian)力公司(si)在工(gong)(gong)程(cheng)(cheng)建(jian)(jian)設(she)(she)中(zhong)作(zuo)出(chu)的(de)突出(chu)貢獻。

　　蘭州東(dong)(dong)至銀(yin)川(chuan)東(dong)(dong)750千(qian)伏(fu)輸變(bian)電(dian)(dian)(dian)(dian)工程(cheng)新建(jian)(jian)了銀(yin)川(chuan)東(dong)(dong)750千(qian)伏(fu)變(bian)電(dian)(dian)(dian)(dian)站(zhan)，架設(she)蘭州東(dong)(dong)至銀(yin)川(chuan)東(dong)(dong)750千(qian)伏(fu)輸電(dian)(dian)(dian)(dian)線路394千(qian)米。其中位于寧(ning)東(dong)(dong)能源(yuan)化(hua)工基(ji)(ji)地的(de)銀(yin)川(chuan)東(dong)(dong)750千(qian)伏(fu)變(bian)電(dian)(dian)(dian)(dian)站(zhan)是目(mu)前(qian)在建(jian)(jian)同電(dian)(dian)(dian)(dian)壓等級(ji)中規模最(zui)大的(de)變(bian)電(dian)(dian)(dian)(dian)站(zhan)，是西(xi)北電(dian)(dian)(dian)(dian)網水火風電(dian)(dian)(dian)(dian)“打捆”外(wai)送輸電(dian)(dian)(dian)(dian)通道中的(de)重要(yao)樞紐。這座變(bian)電(dian)(dian)(dian)(dian)站(zhan)的(de)建(jian)(jian)成(cheng)，使寧(ning)夏擁有了當前(qian)世界商業運行最(zui)高電(dian)(dian)(dian)(dian)壓等級(ji)電(dian)(dian)(dian)(dian)網，達到國際(ji)先進水平，為(wei)自治區寧(ning)東(dong)(dong)能源(yuan)化(hua)工基(ji)(ji)地建(jian)(jian)設(she)打下堅實基(ji)(ji)礎；有力促進“西(xi)電(dian)(dian)(dian)(dian)東(dong)(dong)送”北通道——銀(yin)川(chuan)東(dong)(dong)至山(shan)東(dong)(dong)±660千(qian)伏(fu)直(zhi)流輸電(dian)(dian)(dian)(dian)工程(cheng)建(jian)(jian)設(she)，將對自治區資源(yuan)優(you)勢(shi)轉化(hua)為(wei)經濟優(you)勢(shi)產生深遠影響。

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　　銀川東750千伏變電(dian)站(zhan)開工建設(she)于2006年12月12日(ri)。2008年8月4日(ri)，該(gai)變電(dian)站(zhan)在順利完成設(she)備調試(shi)及試(shi)運行后，正式投入運行。該(gai)變電(dian)站(zhan)占地面積365畝，單臺主變壓器容量、建設(she)規模(mo)均為國(guo)內同級變電(dian)站(zhan)之最。

　　在約(yue)19個月(yue)的建設(she)時間(jian)里，銀川(chuan)東(dong)750千伏(fu)(fu)(fu)變電(dian)(dian)(dian)(dian)站創下(xia)多(duo)個國(guo)(guo)內(nei)第(di)一(yi)(yi)，實(shi)現(xian)多(duo)項(xiang)技術突破，電(dian)(dian)(dian)(dian)氣一(yi)(yi)、二次設(she)備國(guo)(guo)產化率達100%。該變電(dian)(dian)(dian)(dian)站是國(guo)(guo)內(nei)首個750千伏(fu)(fu)(fu)電(dian)(dian)(dian)(dian)壓(ya)等級敞開(kai)(kai)式(shi)布置的交直流合建的變電(dian)(dian)(dian)(dian)站。750千伏(fu)(fu)(fu)變壓(ya)器(qi)、高壓(ya)電(dian)(dian)(dian)(dian)抗器(qi)首次采用同電(dian)(dian)(dian)(dian)壓(ya)等級國(guo)(guo)內(nei)容量最大的210萬千伏(fu)(fu)(fu)安和300兆瓦設(she)備。750千伏(fu)(fu)(fu)罐(guan)式(shi)斷(duan)路器(qi)為(wei)世界首臺(tai)，750千伏(fu)(fu)(fu)隔(ge)離(li)開(kai)(kai)關、330千伏(fu)(fu)(fu)支柱斷(duan)路器(qi)及66千伏(fu)(fu)(fu)電(dian)(dian)(dian)(dian)抗器(qi)均為(wei)國(guo)(guo)內(nei)第(di)一(yi)(yi)次采用。這些國(guo)(guo)內(nei)首次研制(zhi)、開(kai)(kai)發、制(zhi)造(zao)的設(she)備的運用，推動(dong)我(wo)國(guo)(guo)超(chao)高壓(ya)大型電(dian)(dian)(dian)(dian)氣設(she)備從技術引進為(wei)主走向(xiang)自主創新為(wei)主的新階段，為(wei)國(guo)(guo)家特高壓(ya)設(she)備的研發和制(zhi)造(zao)打(da)下(xia)了堅(jian)實(shi)基礎(chu)。