文章來源:國家電網(wang)公司 發布時(shi)間:2016-08-28
8月25日,酒泉(quan)—湖南±800千伏特高壓直流(liu)輸(shu)電線(xian)路工程(甘(gan)(gan)肅段)首基基礎澆制試點在(zai)甘(gan)(gan)肅省金昌市永(yong)昌縣下四壩(ba)村1719號塔位(wei)順(shun)利完(wan)成,標志著(zhu)該工程線(xian)路工程進入(ru)全面建設階(jie)段。
酒(jiu)泉—湖南±800千(qian)伏特高壓(ya)直流輸電線(xian)(xian)路(lu)(lu)工(gong)(gong)程(cheng)(cheng)是(shi)第(di)一條落點甘肅的(de)新能源外(wai)送直流輸電通(tong)道,也(ye)是(shi)甘肅公司承擔的(de)第(di)二(er)條特高壓(ya)直流工(gong)(gong)程(cheng)(cheng)建設任務(wu)。工(gong)(gong)程(cheng)(cheng)在(zai)甘肅境(jing)內線(xian)(xian)路(lu)(lu)途徑酒(jiu)泉、張(zhang)掖、金昌、武威、蘭州、白銀、定(ding)西、天水、隴南等9市22縣,線(xian)(xian)路(lu)(lu)全長1247.8千(qian)米(mi),占全線(xian)(xian)總長的(de)52%,鐵塔總計2394基,動態投(tou)資(zi)55.66億元,預計在(zai)工(gong)(gong)程(cheng)(cheng)施工(gong)(gong)高峰期(qi)投(tou)入施工(gong)(gong)人員(yuan)達上萬人,預計2016年12月完成施工(gong)(gong),具備帶電條件。
該工程建設(she)規(gui)模(mo)大(da),線(xian)(xian)路(lu)(lu)(lu)路(lu)(lu)(lu)徑長,沿線(xian)(xian)地形、地質情況復雜(za),氣候條件惡劣(lie),建設(she)環境艱苦;通(tong)道清理任務重,跨越眾多,共跨越在建高(gao)鐵(tie)(tie)1次(ci)(ci),電(dian)氣化鐵(tie)(tie)路(lu)(lu)(lu)4次(ci)(ci),一般鐵(tie)(tie)路(lu)(lu)(lu)4次(ci)(ci),高(gao)速公(gong)路(lu)(lu)(lu)12次(ci)(ci),±800千伏(fu)電(dian)力(li)線(xian)(xian)路(lu)(lu)(lu)1次(ci)(ci),750千伏(fu)電(dian)力(li)線(xian)(xian)路(lu)(lu)(lu)11次(ci)(ci),330千伏(fu)電(dian)力(li)線(xian)(xian)路(lu)(lu)(lu)23次(ci)(ci),跨越一般公(gong)路(lu)(lu)(lu)、110千伏(fu)及以下電(dian)力(li)線(xian)(xian)路(lu)(lu)(lu)200余次(ci)(ci),安全風險管(guan)控壓力(li)巨(ju)大(da)。
酒(jiu)泉—湖南±800千伏(fu)特高壓直(zhi)流輸(shu)(shu)電(dian)(dian)線路(lu)工(gong)(gong)程(cheng)(cheng)是(shi)我國(guo)第(di)一(yi)條大規(gui)模輸(shu)(shu)送清潔電(dian)(dian)力(li)(li)特高壓直(zhi)流工(gong)(gong)程(cheng)(cheng),也是(shi)目(mu)前國(guo)內直(zhi)流輸(shu)(shu)電(dian)(dian)線路(lu)最長的(de)電(dian)(dian)力(li)(li)工(gong)(gong)程(cheng)(cheng)。該工(gong)(gong)程(cheng)(cheng)起點(dian)為(wei)甘肅(su)酒(jiu)泉橋灣換(huan)流站(zhan),終點(dian)為(wei)湖南湘潭換(huan)流站(zhan),工(gong)(gong)程(cheng)(cheng)線路(lu)途經甘肅(su)、陜(shan)西(xi)、重慶、湖北(bei)、湖南4省(sheng)(sheng)1直(zhi)轄市,路(lu)徑全長約2381.93千米。工(gong)(gong)程(cheng)(cheng)建(jian)成(cheng)后(hou),預計年外送電(dian)(dian)量400億千瓦(wa)時,屆時或(huo)將徹底解決甘肅(su)省(sheng)(sheng)河西(xi)地區新能源外送瓶(ping)頸。
各參建單位表示,在工(gong)(gong)程(cheng)建設(she)過程(cheng)中一定要以高起(qi)點、高質量、高水平(ping)推(tui)進(jin)工(gong)(gong)程(cheng)建設(she),把酒湖工(gong)(gong)程(cheng)(甘肅段)建設(she)成為“安全可靠、自(zi)主創新、經濟合理、環境友(you)好、國際一流”的優(you)質精品工(gong)(gong)程(cheng)。