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近日(ri)，中國電(dian)(dian)(dian)(dian)(dian)力報發(fa)表文章(zhang)《“西(xi)電(dian)(dian)(dian)(dian)(dian)紅”點亮“金沙江”——中國西(xi)電(dian)(dian)(dian)(dian)(dian)集(ji)團(tuan)為(wei)長江干流水電(dian)(dian)(dian)(dian)(dian)站提供關(guan)鍵(jian)成套設備》，聚(ju)焦中國西(xi)電(dian)(dian)(dian)(dian)(dian)集(ji)團(tuan)助力白(bai)鶴灘—浙江±800千伏特高壓(ya)直流輸電(dian)(dian)(dian)(dian)(dian)工程、白(bai)鶴灘水電(dian)(dian)(dian)(dian)(dian)站順(shun)利投產，充分(fen)彰(zhang)顯中國西(xi)電(dian)(dian)(dian)(dian)(dian)集(ji)團(tuan)扛(kang)鼎央企責任，不(bu)斷攻克電(dian)(dian)(dian)(dian)(dian)力裝備制(zhi)造難關(guan)，為(wei)支撐我國電(dian)(dian)(dian)(dian)(dian)網(wang)建(jian)設和保障國家(jia)能源安全作(zuo)出更大貢獻。

黨(dang)的(de)(de)十八大以來，中國(guo)西(xi)電(dian)(dian)集團有(you)限公(gong)司(si)（以下簡稱“中國(guo)西(xi)電(dian)(dian)集團”）在重(zhong)大成套裝(zhuang)(zhuang)備(bei)(bei)、關鍵部(bu)件、核心材料與(yu)工藝(yi)等方(fang)面取得(de)了(le)重(zhong)大突破，擁(yong)有(you)了(le)一批具有(you)自(zi)主知識(shi)產權及影響力的(de)(de)核心技術，具備(bei)(bei)交流1100千(qian)伏(fu)、直流±1100千(qian)伏(fu)等級(ji)輸變電(dian)(dian)設備(bei)(bei)的(de)(de)最高試驗能(neng)力，有(you)效鞏固(gu)提升(sheng)了(le)我國(guo)輸變電(dian)(dian)裝(zhuang)(zhuang)備(bei)(bei)國(guo)際(ji)領先水(shui)平和國(guo)際(ji)影響力。

2000余千米7毫秒閃送

2022年(nian)12月(yue)(yue)30日，我國“西(xi)電東送”重點工(gong)(gong)(gong)程，“十(shi)四五(wu)”首個開工(gong)(gong)(gong)的(de)(de)特高(gao)(gao)壓工(gong)(gong)(gong)程——白(bai)(bai)鶴(he)灘—浙江(jiang)±800千(qian)伏特高(gao)(gao)壓直流輸電工(gong)(gong)(gong)程竣(jun)工(gong)(gong)(gong)投產，該工(gong)(gong)(gong)程將與(yu)2022年(nian)7月(yue)(yue)1日投運的(de)(de)白(bai)(bai)鶴(he)灘—江(jiang)蘇工(gong)(gong)(gong)程共同承擔白(bai)(bai)鶴(he)灘水(shui)電站的(de)(de)水(shui)電輸送任務，預(yu)計年(nian)送電量超過600億千(qian)瓦時，進一步(bu)推動長三角地區乃至(zhi)我國能(neng)源電力從高(gao)(gao)碳(tan)向低碳(tan)、從化(hua)石(shi)能(neng)源為主(zhu)向清潔能(neng)源為主(zhu)轉變(bian)。

白(bai)鶴灘—浙(zhe)(zhe)江(jiang)(jiang)(jiang)±800千伏(fu)特高壓直(zhi)流輸電工程起于(yu)(yu)四川(chuan)省(sheng)涼山州布拖縣，止(zhi)于(yu)(yu)浙(zhe)(zhe)江(jiang)(jiang)(jiang)省(sheng)杭州市(shi)臨(lin)平區，途經四川(chuan)、重慶、湖北、安徽、浙(zhe)(zhe)江(jiang)(jiang)(jiang)等(deng)5個省(sheng)、直(zhi)轄市(shi)，線路全長2121千米。這意味(wei)著，將金(jin)沙江(jiang)(jiang)(jiang)的綠色(se)電能(neng)“閃送”至(zhi)浙(zhe)(zhe)江(jiang)(jiang)(jiang)，只需(xu)0.007秒(miao)。

該(gai)工(gong)程(cheng)創造性地采用西(xi)(xi)(xi)電(dian)(dian)(dian)(dian)西(xi)(xi)(xi)變(bian)自主設(she)(she)計ODAF冷(leng)卻方式的(de)換(huan)(huan)流變(bian)壓器(qi)(qi)，其網側電(dian)(dian)(dian)(dian)壓500千伏(fu)，閥側電(dian)(dian)(dian)(dian)壓分別為(wei)±400千伏(fu)、±200千伏(fu)，容量(liang)為(wei)415兆(zhao)伏(fu)安；西(xi)(xi)(xi)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)力系(xi)統在該(gai)項目金沙江換(huan)(huan)流站極(ji)2換(huan)(huan)流閥設(she)(she)計過程(cheng)中(zhong)，晶閘管串聯數降幅(fu)10.7%。同時，完成(cheng)了VBE與控保系(xi)統之間的(de)通訊協議升級(ji)，大(da)幅(fu)提高現場(chang)測試(shi)效率，西(xi)(xi)(xi)電(dian)(dian)(dian)(dian)西(xi)(xi)(xi)容為(wei)該(gai)工(gong)程(cheng)提供的(de)500千伏(fu)HP24/36 C1交(jiao)流濾波電(dian)(dian)(dian)(dian)容器(qi)(qi)裝置采用雙塔結(jie)構，復(fu)合絕緣子支撐(cheng)，電(dian)(dian)(dian)(dian)容器(qi)(qi)采用大(da)爬距套(tao)管；西(xi)(xi)(xi)電(dian)(dian)(dian)(dian)避(bi)雷器(qi)(qi)針對電(dian)(dian)(dian)(dian)阻片的(de)添加(jia)劑球磨(mo)工(gong)藝(yi)、料漿混合工(gong)藝(yi)改進(jin)及(ji)燒成(cheng)曲線的(de)優化進(jin)行改進(jin)提升……

在2022年7月1日投運的(de)(de)白鶴灘—江蘇±800千(qian)伏特高壓(ya)直(zhi)流(liu)工程中，中國西電(dian)集團(tuan)提供(gong)的(de)(de)換流(liu)變壓(ya)器(qi)是目(mu)前世界上首次采用(yong)單(dan)柱結構容量最大的(de)(de)強(qiang)油導向(xiang)換流(liu)變壓(ya)器(qi)，自(zi)主(zhu)研發了換流(liu)變閥側斷(duan)路器(qi)、快(kuai)速機(ji)械(xie)(xie)開(kai)關、慢(man)速機(ji)械(xie)(xie)開(kai)關、旁(pang)路開(kai)關和可控(kong)自(zi)恢復消能裝置(zhi)避(bi)雷器(qi)，確保了該工程順(shun)利投產。

170千安發電機斷路器填補國內空白

2022年12月20日，白(bai)鶴(he)灘水(shui)電站(zhan)9號機(ji)組(zu)完成(cheng)(cheng)72小(xiao)時試運行并正式進入商運階段，標(biao)志著在建(jian)(jian)(jian)規模(mo)世界(jie)第(di)(di)一、裝機(ji)規模(mo)全球(qiu)第(di)(di)二大水(shui)電站(zhan)——白(bai)鶴(he)灘水(shui)電站(zhan)16臺百萬千(qian)瓦水(shui)輪發電機(ji)組(zu)全部投產發電，由中國西電集(ji)團與中國三(san)峽建(jian)(jian)(jian)工（集(ji)團）有限公司（以下簡稱“三(san)峽建(jian)(jian)(jian)工”）聯合研制(zhi)的額(e)定短路開(kai)斷(duan)(duan)(duan)電流(liu)170千(qian)安發電機(ji)斷(duan)(duan)(duan)路器成(cheng)(cheng)套裝置(zhi)正式掛(gua)網運行，打破了國際寡頭企業(ye)的技術壟斷(duan)(duan)(duan)，填補了國內空白(bai)。

白鶴灘(tan)水(shui)電(dian)(dian)站總(zong)裝機容量(liang)1600萬千(qian)瓦(wa)，擁(yong)有全球單機容量(liang)最(zui)大功(gong)率(lv)百萬千(qian)瓦(wa)水(shui)輪發(fa)電(dian)(dian)機組(zu)，年均(jun)發(fa)電(dian)(dian)量(liang)約(yue)624億千(qian)瓦(wa)時，能夠滿足約(yue)7500萬人一(yi)年的生活(huo)用電(dian)(dian)需求，是(shi)我國(guo)實施(shi)“西電(dian)(dian)東送”戰略、構建清(qing)潔低(di)碳安(an)全高(gao)效能源體(ti)系(xi)的國(guo)家重大工程。中國(guo)西電(dian)(dian)集(ji)團(tuan)承擔了白鶴灘(tan)水(shui)電(dian)(dian)站左、右岸32個間隔氣體(ti)絕緣金屬封(feng)閉開(kai)關(guan)設(she)備（GIS）、1臺發(fa)電(dian)(dian)機斷(duan)路(lu)器成(cheng)套裝置（GCB）、16臺制(zhi)動開(kai)關(guan)（GEBS）及其附屬設(she)備供貨任務。

作(zuo)為(wei)白(bai)鶴灘水電(dian)(dian)站關(guan)鍵設(she)(she)備的(de)(de)170千(qian)(qian)安(an)發(fa)電(dian)(dian)機(ji)出口斷(duan)路(lu)(lu)器(qi)成(cheng)套裝置以技術(shu)水平高(gao)、生產(chan)加工難(nan)度大著稱，一直(zhi)被(bei)國(guo)外少數(shu)公司壟斷(duan)，也成(cheng)為(wei)橫在國(guo)內(nei)高(gao)壓開(kai)關(guan)行業(ye)的(de)(de)“卡脖(bo)子(zi)”難(nan)題。早在2019年，中國(guo)西電(dian)(dian)集團與三峽建工開(kai)展(zhan)了(le)(le)170千(qian)(qian)安(an)發(fa)電(dian)(dian)機(ji)斷(duan)路(lu)(lu)器(qi)關(guan)鍵技術(shu)聯合攻(gong)關(guan)，于2021年成(cheng)功研制適用于白(bai)鶴灘水電(dian)(dian)站的(de)(de)170千(qian)(qian)安(an)發(fa)電(dian)(dian)機(ji)斷(duan)路(lu)(lu)器(qi)成(cheng)套裝置，研發(fa)團隊攻(gong)克了(le)(le)大短路(lu)(lu)電(dian)(dian)流開(kai)斷(duan)、大額定電(dian)(dian)流運行等行業(ye)內(nei)技術(shu)難(nan)題，填補了(le)(le)國(guo)內(nei)空白(bai)，提升了(le)(le)我國(guo)大容量發(fa)電(dian)(dian)機(ji)斷(duan)路(lu)(lu)器(qi)核心技術(shu)競爭(zheng)力，使我國(guo)大型電(dian)(dian)源(yuan)建設(she)(she)的(de)(de)裝備國(guo)產(chan)化率(lv)進一步(bu)提升。

170千(qian)安發(fa)電(dian)(dian)機斷路(lu)器(qi)成套裝置包(bao)括斷路(lu)器(qi)、隔離開(kai)關、拖動開(kai)關、接地開(kai)關及智能(neng)(neng)監測(ce)設備，在設備運行(xing)期間可以(yi)實現對六氟(fu)化硫氣體狀態、機械特(te)性、主回路(lu)溫升情況、電(dian)(dian)機狀態等信(xin)息的在線監測(ce)并進行(xing)智能(neng)(neng)化綜合診斷，真正(zheng)做到智能(neng)(neng)監測(ce)、快速響應兩大(da)核心要求，能(neng)(neng)夠有效保障設備在現場安全可靠運行(xing)。

事實上，中國西電(dian)(dian)集團為(wei)(wei)三峽集團長(chang)江干(gan)流(liu)6座巨型梯級水電(dian)(dian)站(zhan)（烏東德(de)、白鶴灘、溪洛渡(du)、向家(jia)壩(ba)(ba)、三峽、葛洲壩(ba)(ba)）提(ti)供(gong)(gong)關(guan)鍵成套裝備(bei)(bei)，為(wei)(wei)其(qi)中5座電(dian)(dian)站(zhan)提(ti)供(gong)(gong)了部(bu)分或全(quan)部(bu)的發電(dian)(dian)機斷路器(qi)國產(chan)化產(chan)品，為(wei)(wei)我國重(zhong)大能源裝備(bei)(bei)的自(zi)主可(ke)控(kong)提(ti)供(gong)(gong)了重(zhong)要支撐。