文章來源(yuan):國家電網(wang)有限公司(si) 發布時間:2020-09-27
9月(yue)26日,國家電網有限公司兩項(xiang)領(ling)先世界的開創性工(gong)程準東—皖(wan)南±1100千(qian)伏(fu)特高壓(ya)直流輸電工(gong)程、蘇通1000千(qian)伏(fu)特高壓(ya)交(jiao)流GIL綜(zong)合管(guan)廊工(gong)程投運,以優異成績向中華人民共和國成立(li)70周年獻禮。
準東(dong)—皖南、蘇通(tong)GIL綜(zong)合(he)管廊(lang)工程(cheng),是推動我(wo)國(guo)能(neng)源(yuan)(yuan)結構調整和(he)全面建成小康社會的重(zhong)點工程(cheng),在我(wo)國(guo)電力工業(ye)發展史上(shang)具(ju)有重(zhong)要(yao)的里程(cheng)碑意義。兩項工程(cheng)均占據了(le)當今世界輸電技術(shu)(shu)各自領(ling)域的制高(gao)點,推動我(wo)國(guo)電工裝(zhuang)備制造(zao)能(neng)力實(shi)現(xian)了(le)新的飛躍,使我(wo)國(guo)西(xi)電東(dong)送和(he)能(neng)源(yuan)(yuan)大(da)范圍(wei)優化(hua)配(pei)置(zhi)(zhi)能(neng)力實(shi)現(xian)了(le)重(zhong)要(yao)提升。工程(cheng)投運(yun)后,清(qing)潔電力將(jiang)更加高(gao)效(xiao)地匯入華東(dong)特高(gao)壓交流環網,對(dui)于優化(hua)能(neng)源(yuan)(yuan)配(pei)置(zhi)(zhi)、保(bao)障(zhang)電力供應(ying)、防治(zhi)大(da)氣(qi)污(wu)染、拉動經濟增長(chang)、引(yin)領(ling)技術(shu)(shu)創(chuang)新等具(ju)有顯著的綜(zong)合(he)效(xiao)益(yi)和(he)長(chang)遠的戰略意義。

準東—皖南(nan)工程是目前世(shi)界上電(dian)(dian)壓(ya)等(deng)級最高、輸(shu)(shu)(shu)送(song)容(rong)量(liang)最大、輸(shu)(shu)(shu)電(dian)(dian)距離最遠、技(ji)術(shu)水平最先進的(de)(de)直(zhi)(zhi)流(liu)輸(shu)(shu)(shu)電(dian)(dian)工程。工程起(qi)點位于(yu)新疆(jiang)維吾爾自(zi)治區(qu)(qu)昌吉回族自(zi)治州(zhou),終點位于(yu)安徽省宣城(cheng)市,途經新疆(jiang)、甘肅、寧夏(xia)、陜西、河南(nan)、安徽6省(區(qu)(qu)),輸(shu)(shu)(shu)送(song)容(rong)量(liang)1200萬(wan)千瓦,線路全長3324公(gong)里。工程實現了(le)直(zhi)(zhi)流(liu)電(dian)(dian)壓(ya)、輸(shu)(shu)(shu)送(song)容(rong)量(liang)、交流(liu)網(wang)側電(dian)(dian)壓(ya)的(de)(de)全面提升,經濟輸(shu)(shu)(shu)電(dian)(dian)距離提升至3000-5000公(gong)里。工程投(tou)運(yun)后,具(ju)備年(nian)(nian)送(song)電(dian)(dian)600-850億千瓦時的(de)(de)能(neng)力,將(jiang)有效緩解華(hua)(hua)東地(di)區(qu)(qu)中長期(qi)電(dian)(dian)力供需矛盾,可使華(hua)(hua)東地(di)區(qu)(qu)每年(nian)(nian)減少燃煤約3800萬(wan)噸。同時,工程將(jiang)有力促進西部、北(bei)部能(neng)源基地(di)開發與外送(song),擴(kuo)大清潔(jie)能(neng)源消(xiao)納(na)范圍(wei)。

蘇(su)通(tong)GIL綜合管廊(lang)工(gong)(gong)程(cheng)(cheng)(cheng)是(shi)世(shi)界上首次在重(zhong)要輸(shu)(shu)電通(tong)道(dao)中采用(yong)(yong)特(te)高(gao)壓GIL技(ji)術,是(shi)目前世(shi)界上電壓等級最高(gao)、輸(shu)(shu)送容量(liang)最大(da)、技(ji)術水平最高(gao)的超(chao)長距離GIL創(chuang)新工(gong)(gong)程(cheng)(cheng)(cheng)。工(gong)(gong)程(cheng)(cheng)(cheng)是(shi)淮南(nan)—南(nan)京(jing)—上海1000千(qian)伏特(te)高(gao)壓交流(liu)工(gong)(gong)程(cheng)(cheng)(cheng)的組成部(bu)分之一,工(gong)(gong)程(cheng)(cheng)(cheng)起于北岸(南(nan)通(tong))引(yin)接站,止于南(nan)岸(蘇(su)州(zhou))引(yin)接站,GIL管線總長近(jin)35公里。工(gong)(gong)程(cheng)(cheng)(cheng)在世(shi)界上率先(xian)采用(yong)(yong)了(le)特(te)高(gao)壓GIL輸(shu)(shu)電全(quan)套技(ji)術,為跨江、跨海和人口密集地(di)區的先(xian)進緊湊型(xing)輸(shu)(shu)電儲(chu)備(bei)了(le)技(ji)術。工(gong)(gong)程(cheng)(cheng)(cheng)投運(yun)以后,華(hua)東(dong)(dong)特(te)高(gao)壓交流(liu)環網將實現合環運(yun)行,華(hua)東(dong)(dong)電網受(shou)電能力大(da)幅提升,每年可以減少發電用(yong)(yong)煤1.7億噸(dun),減排二氧化碳3.1億噸(dun),顯著(zhu)改善華(hua)東(dong)(dong)地(di)區環境質量(liang)。
新(xin)中國成(cheng)立(li)70年來,我國電(dian)(dian)力(li)發展取得(de)舉(ju)世(shi)矚目(mu)的成(cheng)就。國家電(dian)(dian)網已累(lei)計建成(cheng)“10交(jiao)(jiao)11直”特高壓(ya)工程(cheng)(cheng),在建“4交(jiao)(jiao)2直”特高壓(ya)工程(cheng)(cheng),累(lei)計送電(dian)(dian)超過(guo)1.3萬億千瓦時,成(cheng)為全球并網裝機規模最(zui)大、電(dian)(dian)壓(ya)等級最(zui)高、資(zi)源(yuan)配置能力(li)最(zui)強、安全水平(ping)最(zui)好的特大型電(dian)(dian)網。
【責(ze)任編輯(ji):李子紅】