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　　12月22日(ri)，國家重點工程、南方電(dian)網(wang)“十一五”西電(dian)東送骨干項目——貴州至廣東第二回±500千伏直流輸電(dian)工程雙(shuang)極正式投產。

　　該(gai)工(gong)程的(de)(de)(de)建(jian)成(cheng)投運，使(shi)西(xi)電(dian)東送(song)又上(shang)(shang)了一個大(da)的(de)(de)(de)臺(tai)階，對于進(jin)一步深(shen)化國(guo)家(jia)西(xi)電(dian)東送(song)戰略的(de)(de)(de)實施，保證廣東特別(bie)是(shi)深(shen)圳、東莞負荷(he)中(zhong)(zhong)心區域的(de)(de)(de)電(dian)力(li)供應，支持深(shen)圳建(jian)設(she)“具(ju)有中(zhong)(zhong)國(guo)特色、中(zhong)(zhong)國(guo)風格、中(zhong)(zhong)國(guo)氣派(pai)的(de)(de)(de)國(guo)際化城市(shi)”，促進(jin)貴(gui)州(zhou)建(jian)設(she)水(shui)火互濟的(de)(de)(de)能源基(ji)地，具(ju)有十分重(zhong)要的(de)(de)(de)意(yi)義。同(tong)時，這是(shi)我國(guo)第一項(xiang)直流自(zi)主化依(yi)托(tuo)工(gong)程，實現了國(guo)家(jia)確定的(de)(de)(de)綜合自(zi)主化率(lv)70%以(yi)上(shang)(shang)的(de)(de)(de)目標(biao)，標(biao)志著我國(guo)電(dian)力(li)行業重(zhong)大(da)技(ji)術(shu)裝(zhuang)備國(guo)產化工(gong)作取(qu)得了重(zhong)要突破。

　　中國南方(fang)電網(wang)公司黨組書(shu)記(ji)、董事長袁懋振在儀(yi)式上表示，公司將以黨的(de)十七(qi)大精神(shen)為指(zhi)引(yin)，深入貫徹落實科學(xue)發(fa)展(zhan)(zhan)觀(guan)，繼續推進西電東送戰(zhan)略(lve)的(de)實施，加快電網(wang)發(fa)展(zhan)(zhan)，做(zuo)(zuo)好(hao)安全供電，努(nu)力(li)建設“責(ze)任南網(wang)、和諧(xie)南網(wang)”，為五省(sheng)區全面(mian)建設小康社會做(zuo)(zuo)出新(xin)的(de)貢獻(xian)。

　　貴廣(guang)二(er)回(hui)直流(liu)工(gong)(gong)(gong)程西起貴州(zhou)(zhou)省黔西南州(zhou)(zhou)興仁換流(liu)站，東(dong)至廣(guang)東(dong)深圳市寶安換流(liu)站，線路(lu)全(quan)長1194公里，額定(ding)容(rong)量300萬千瓦，動(dong)態總投資(zi)79.5億元，2005年6月(yue)開工(gong)(gong)(gong)建(jian)設，2007年6月(yue)單(dan)極(ji)(ji)投產，12月(yue)雙極(ji)(ji)投產。在工(gong)(gong)(gong)程建(jian)設過程中(zhong)，國家有(you)關部委(wei)、廣(guang)東(dong)、貴州(zhou)(zhou)以及沿線各(ge)級(ji)政府給(gei)予了多(duo)方(fang)面的關心和(he)(he)支持，參建(jian)各(ge)方(fang)密(mi)切配合，克服種(zhong)種(zhong)困難，創造了從“三通一(yi)平(ping)”到單(dan)極(ji)(ji)投運僅用24個月(yue)的世界紀錄，很好地控(kong)制了工(gong)(gong)(gong)程安全(quan)、質量和(he)(he)投資(zi)。

　　貴廣(guang)二回直流工程是我國第一個直流輸電自(zi)主(zhu)化(hua)依托項目。南方(fang)電網(wang)公司(si)充分發揮企業作為自(zi)主(zhu)創新主(zhu)體的作用，貫(guan)徹“以(yi)我為主(zhu)、聯合設(she)計(ji)、自(zi)主(zhu)生產”的原則，協同(tong)科(ke)研、設(she)計(ji)、制造(zao)、建設(she)等單位(wei)，成(cheng)功完成(cheng)了工程的系統研究、成(cheng)套設(she)計(ji)、主(zhu)要(yao)設(she)備制造(zao)等任務(wu)，實現了綜(zong)合自(zi)主(zhu)化(hua)率(lv)70%以(yi)上的目標。

　　特別是(shi)調試工作(zuo)是(shi)國內(nei)第一(yi)次獨立(li)開展的(de)大型直流工程系統調試，單(dan)極一(yi)投(tou)運(yun)就帶滿150萬千瓦負荷，穩定可靠運(yun)行，在今年(nian)廣(guang)東的(de)迎峰度夏中發揮(hui)了重要(yao)作(zuo)用。

　　五(wu)年(nian)(nian)來(lai)，中(zhong)國南方電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網公(gong)(gong)司堅(jian)決(jue)(jue)貫(guan)徹中(zhong)央的(de)(de)(de)各項部署(shu)，認真落實科學發(fa)展(zhan)(zhan)(zhan)觀，秉承“對中(zhong)央負責，為(wei)五(wu)省區服務”的(de)(de)(de)宗(zong)旨，各方面都取得(de)了(le)(le)長(chang)足的(de)(de)(de)發(fa)展(zhan)(zhan)(zhan)。五(wu)年(nian)(nian)來(lai)，公(gong)(gong)司累(lei)計完成電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網建(jian)設投(tou)資(zi)1645億(yi)(yi)元(yuan)，超過(guo)了(le)(le)建(jian)國以來(lai)到(dao)(dao)(dao)2002年(nian)(nian)底的(de)(de)(de)投(tou)資(zi)總額，電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網的(de)(de)(de)規(gui)模翻(fan)(fan)了(le)(le)一番(fan)，負荷(he)翻(fan)(fan)了(le)(le)一番(fan)，售(shou)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量、銷售(shou)收入也翻(fan)(fan)了(le)(le)一番(fan)。南方電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網已(yi)經形成“六交四(si)直”10條(tiao)500千(qian)伏西(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)東(dong)送(song)大通(tong)道，最(zui)大輸(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)能力達到(dao)(dao)(dao)1650萬(wan)千(qian)瓦(wa)(wa)，是2002年(nian)(nian)底的(de)(de)(de)4.5倍(bei)。2007年(nian)(nian)西(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)東(dong)送(song)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量將達到(dao)(dao)(dao)862億(yi)(yi)千(qian)瓦(wa)(wa)時，是2002年(nian)(nian)的(de)(de)(de)4.3倍(bei)，年(nian)(nian)均增(zeng)(zeng)長(chang)33.9%。五(wu)年(nian)(nian)來(lai)，西(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)送(song)廣東(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量累(lei)計達到(dao)(dao)(dao)2435億(yi)(yi)千(qian)瓦(wa)(wa)時，西(xi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)占廣東(dong)全社(she)會(hui)用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)量的(de)(de)(de)比例(li)由(you)2002年(nian)(nian)的(de)(de)(de)9.5%增(zeng)(zeng)長(chang)到(dao)(dao)(dao)2007年(nian)(nian)的(de)(de)(de)23.2%，已(yi)經成為(wei)廣東(dong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力供應不可或缺的(de)(de)(de)重要(yao)組成部分，對廣東(dong)解(jie)決(jue)(jue)能源約束問(wen)題、調整電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源結構、平抑電(dian)(dian)(dian)(dian)(dian)(dian)(dian)價(jia)、保護環(huan)境發(fa)揮了(le)(le)重要(yao)作(zuo)用；同時，西(xi)部地(di)區投(tou)資(zi)建(jian)設了(le)(le)一大批電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源和(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)網項目(mu)，帶動當(dang)地(di)煤炭開采(cai)、交通(tong)運輸(shu)以及有色金(jin)屬等資(zi)源型行業的(de)(de)(de)發(fa)展(zhan)(zhan)(zhan)，增(zeng)(zeng)加(jia)了(le)(le)就業和(he)財稅收入，促(cu)進了(le)(le)經濟社(she)會(hui)快速健康發(fa)展(zhan)(zhan)(zhan)，實現了(le)(le)東(dong)西(xi)雙贏。

　　目前，南方電網(wang)公司正在建設世(shi)界上(shang)第一(yi)個(ge)±800千伏直流輸電工程——云(yun)廣特高(gao)壓直流示范工程，到“十(shi)一(yi)五(wu)”末，將(jiang)形成“八交五(wu)直”13條西電東送(song)(song)大(da)(da)通(tong)道(dao)，西電送(song)(song)廣東最大(da)(da)電力將(jiang)達到2240－2440萬千瓦。南方電網(wang)將(jiang)在更大(da)(da)的范圍內、更高(gao)的層次上(shang)優化(hua)能(neng)源(yuan)(yuan)資源(yuan)(yuan)配(pei)置(zhi)，不(bu)斷鞏(gong)固和發(fa)展東中西互(hu)聯互(hu)動、優勢互(hu)補、協調發(fa)展的多贏格局。