文章來源:國家(jia)電網公司(si) 發(fa)布時(shi)間(jian):2010-03-10
為有(you)效緩解四(si)川枯水(shui)期電(dian)力(li)供應緊張和(he)豐水(shui)期棄水(shui)損失問題,支援四(si)川災區恢復重建(jian),按(an)照(zhao)國家(jia)電(dian)網(wang)公司(si)的統一部署(shu),國家(jia)電(dian)網(wang)直流公司(si)全力(li)加快(kuai)西北-華(hua)中(四(si)川)直流聯網(wang)工程建(jian)設步伐,力(li)爭(zheng)2009年(nian)底(di)建(jian)成投運,較原計(ji)劃工期提前四(si)個月。
西(xi)北(bei)-華(hua)中(四川(chuan))直流聯網(wang)(wang)工程(cheng)是(shi)國(guo)家跨(kua)區(qu)電(dian)(dian)(dian)(dian)網(wang)(wang)建(jian)(jian)設(she)重點工程(cheng),也是(shi)我(wo)國(guo)首個實現100%國(guo)產化的(de)±500千伏(fu)輸電(dian)(dian)(dian)(dian)工程(cheng),對于提高我(wo)國(guo)輸變電(dian)(dian)(dian)(dian)設(she)備(bei)(bei)自主創新和制(zhi)造(zao)(zao)能力(li)具有(you)(you)重要意義。工程(cheng)起點為(wei)(wei)陜西(xi)寶雞,落點為(wei)(wei)四川(chuan)德陽,計劃新建(jian)(jian)±500千伏(fu)換流站兩座(zuo),直流線路(lu)一條,全(quan)長(chang)約574公里,途經四川(chuan)、甘(gan)肅、陜西(xi)3省12個市縣,工程(cheng)額(e)定輸送容量(liang)300萬千瓦,靜態投資約54億元。工程(cheng)建(jian)(jian)成(cheng)后(hou),將為(wei)(wei)四川(chuan)災后(hou)重建(jian)(jian)及經濟發展提供有(you)(you)力(li)支持。枯(ku)水(shui)(shui)期(qi),西(xi)北(bei)電(dian)(dian)(dian)(dian)網(wang)(wang)向四川(chuan)電(dian)(dian)(dian)(dian)網(wang)(wang)輸送火電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)量(liang),可極(ji)大地緩解四川(chuan)由于煤(mei)炭產量(liang)不足造(zao)(zao)成(cheng)的(de)缺電(dian)(dian)(dian)(dian)問題,并減輕西(xi)北(bei)地區(qu)鐵(tie)路(lu)運輸壓力(li);豐(feng)水(shui)(shui)期(qi),將四川(chuan)富余水(shui)(shui)電(dian)(dian)(dian)(dian)送至西(xi)北(bei)地區(qu),推動四川(chuan)資源優(you)勢轉化為(wei)(wei)經濟優(you)勢。工程(cheng)在(zai)實現水(shui)(shui)電(dian)(dian)(dian)(dian)跨(kua)流域補(bu)償調節(jie)、水(shui)(shui)火電(dian)(dian)(dian)(dian)互補(bu)調節(jie)、減少電(dian)(dian)(dian)(dian)網(wang)(wang)備(bei)(bei)用容量(liang),以及有(you)(you)效提高電(dian)(dian)(dian)(dian)網(wang)(wang)抵(di)御自然災害(hai)能力(li)和可靠(kao)供電(dian)(dian)(dian)(dian)水(shui)(shui)平等方面,具有(you)(you)顯著的(de)經濟效益和社會效益。
國家電(dian)網直流公司積極組織各參建方力量,克服施工條件艱苦、余震不(bu)斷,以及因(yin)地震造(zao)成(cheng)的建筑材料(liao)供應緊張、價格上漲等不(bu)利因(yin)素(su),在確保(bao)安(an)全(quan)、質(zhi)量前提下,強化(hua)施工管(guan)理,加強設備(bei)制造(zao)協調(diao),優(you)化(hua)工期計劃,全(quan)面加快工程建設進度。
截至3月7日,已完成換流站(zhan)主控樓建筑封頂,交(jiao)(jiao)流場(chang)、交(jiao)(jiao)流濾波器場(chang)構架吊裝等重要工(gong)程節(jie)點,工(gong)程建設進度總體順利。