文(wen)章來源(yuan)：國家電網公司(si) 發布時間：2009-03-25
為促(cu)進全(quan)國(guo)范(fan)圍內能源(yuan)資(zi)源(yuan)優化配置(zhi)，近日(ri)，國(guo)家發改委批復核(he)準建(jian)設(she)西北（陜西寶雞）至(zhi)華中（四川德陽）直(zhi)流(liu)聯(lian)網工程，這是西北電網與華中電網實現聯(lian)網的第二條輸變電線路，標(biao)志著西北電力外(wai)送通(tong)道建(jian)設(she)又取得重大進展。
西(xi)(xi)(xi)北(bei)地區擁有豐(feng)富(fu)的火(huo)電(dian)、水(shui)電(dian)、風(feng)電(dian)等資(zi)源(yuan)。自2005年(nian)始西(xi)(xi)(xi)北(bei)地區電(dian)力(li)已(yi)出現(xian)富(fu)余，去年(nian)富(fu)余電(dian)量300多億千瓦時，西(xi)(xi)(xi)北(bei)地區迫切需要電(dian)力(li)外送。為此，國家(jia)電(dian)網(wang)(wang)公司(si)提出加(jia)(jia)快規(gui)劃(hua)建(jian)設西(xi)(xi)(xi)北(bei)送端(duan)電(dian)網(wang)(wang)。西(xi)(xi)(xi)北(bei)（陜西(xi)(xi)(xi)寶(bao)雞）至華(hua)中（四川德陽）直流聯網(wang)(wang)工(gong)(gong)(gong)(gong)程(cheng)，是西(xi)(xi)(xi)北(bei)電(dian)網(wang)(wang)“十一(yi)五(wu)”期間規(gui)劃(hua)建(jian)設的4條外送電(dian)聯網(wang)(wang)工(gong)(gong)(gong)(gong)程(cheng)之(zhi)一(yi)。2007年(nian)9月國家(jia)發(fa)改委(wei)批復同(tong)意西(xi)(xi)(xi)北(bei)（銀川東）與華(hua)北(bei)（山東）聯網(wang)(wang)工(gong)(gong)(gong)(gong)程(cheng)開展前期工(gong)(gong)(gong)(gong)作，同(tong)年(nian)12月國家(jia)發(fa)改委(wei)核(he)準了(le)西(xi)(xi)(xi)北(bei)（陜西(xi)(xi)(xi)羅夫）與華(hua)中（河南(nan)靈(ling)寶(bao)）背靠(kao)背輸電(dian)擴建(jian)工(gong)(gong)(gong)(gong)程(cheng)。西(xi)(xi)(xi)北(bei)（青海格爾木）至西(xi)(xi)(xi)藏直流聯網(wang)(wang)輸變(bian)電(dian)工(gong)(gong)(gong)(gong)程(cheng)前期工(gong)(gong)(gong)(gong)作正在加(jia)(jia)緊開展。
這次核準的西北至(zhi)華中聯網(wang)工程在陜(shan)西電(dian)(dian)(dian)網(wang)及西北電(dian)(dian)(dian)網(wang)中處于重(zhong)要位置，是西北送端電(dian)(dian)(dian)網(wang)建設的重(zhong)要通道。該工程由國(guo)家電(dian)(dian)(dian)網(wang)公司直接投資，主要包括新建寶(bao)雞(ji)、德陽換流(liu)站，容量300萬千瓦；建設寶(bao)雞(ji)換流(liu)站至(zhi)德陽換流(liu)站1回±500千伏直流(liu)線(xian)路(lu)，線(xian)路(lu)長度(du)約(yue)574千米。
工程建成后，將(jiang)進一步加強(qiang)西北與(yu)華中(zhong)電(dian)網之間的(de)聯(lian)系，有利于陜西電(dian)網與(yu)四川電(dian)網之間的(de)相(xiang)互備用(yong)和事(shi)故(gu)支援，并促進能源(yuan)資源(yuan)在更大(da)范圍內(nei)優化配(pei)置，對(dui)于推動西部經濟社(she)會全面發(fa)展(zhan)將(jiang)發(fa)揮重要(yao)作用(yong)。
目前(qian)，西(xi)北電(dian)網(wang)有限公(gong)司正(zheng)在加快(kuai)750千伏電(dian)網(wang)配(pei)套工(gong)程(cheng)建(jian)設和陜西(xi)寶(bao)雞換流站的前(qian)期建(jian)設準(zhun)備，積(ji)極做好(hao)相關配(pei)合工(gong)作，力(li)爭該直(zhi)流聯網(wang)工(gong)程(cheng)早日開工(gong)建(jian)設。