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5月29日，甘肅(su)～浙江特高(gao)壓柔(rou)性直(zhi)流輸電試驗示(shi)范工(gong)程環評(ping)公示(shi)。

據悉，甘(gan)肅(su)(su)～浙(zhe)江(jiang)特(te)高(gao)壓(ya)柔性直流(liu)輸(shu)電(dian)(dian)試驗示(shi)范工(gong)程已(yi)納(na)入國(guo)(guo)家《“十四五”電(dian)(dian)力發(fa)展規(gui)劃(hua)》，主要(yao)滿足(zu)甘(gan)肅(su)(su)騰格里沙漠河西新能源(yuan)基(ji)地開發(fa)外送(song)需要(yao)，送(song)電(dian)(dian)浙(zhe)江(jiang)電(dian)(dian)網消納(na)。根據國(guo)(guo)家能源(yuan)局電(dian)(dian)力司印發(fa)文件《國(guo)(guo)家能源(yuan)局關于(yu)做好T066（甘(gan)肅(su)(su)至浙(zhe)江(jiang)±800千(qian)伏特(te)高(gao)壓(ya)直流(liu)輸(shu)電(dian)(dian)工(gong)程）配套電(dian)(dian)源(yuan)規(gui)劃(hua)建(jian)設(she)工(gong)作(zuo)的通知》（國(guo)(guo)能發(fa)電(dian)(dian)力〔2023〕42號），本項(xiang)目配套電(dian)(dian)源(yuan)總裝機容量15200MW，其中煤電(dian)(dian)4000MW、風電(dian)(dian)4000MW、光伏7000MW、光熱200MW，配套儲(chu)能不低于(yu)2000MW、連續儲(chu)能時長(chang)不低于(yu)2小時。

相(xiang)比于常規直流，柔性直流可與(yu)弱電網(wang)或無源電網(wang)聯系(xi)，可對有功功率(lv)(lv)(lv)和無功功率(lv)(lv)(lv)進行獨立快(kuai)速控制，實現輸(shu)電功率(lv)(lv)(lv)動態連續調節，具有運行方(fang)式靈(ling)活，對系(xi)統支(zhi)撐能力(li)強，不(bu)易發生換相(xiang)失(shi)敗等優點。

本項目送(song)端(duan)(duan)(duan)換(huan)流(liu)(liu)站(zhan)采用柔性直流(liu)(liu)技術(shu)路(lu)線，有利于(yu)緩(huan)解直流(liu)(liu)及近區新能源暫(zan)態(tai)過(guo)電(dian)(dian)壓問題，改善西北電(dian)(dian)網(wang)長(chang)鏈式網(wang)架結構安全穩(wen)(wen)定水平，提升多直流(liu)(liu)接(jie)入(ru)情況下的送(song)端(duan)(duan)(duan)換(huan)流(liu)(liu)站(zhan)短路(lu)比；受(shou)端(duan)(duan)(duan)換(huan)流(liu)(liu)站(zhan)采用柔性直流(liu)(liu)技術(shu)路(lu)線，有利于(yu)緩(huan)解受(shou)端(duan)(duan)(duan)多直流(liu)(liu)集中饋入(ru)情況下連(lian)續換(huan)相(xiang)失(shi)(shi)敗引(yin)起的安全穩(wen)(wen)定風險，避免(mian)同送(song)同受(shou)直流(liu)(liu)換(huan)相(xiang)失(shi)(shi)敗對(dui)(dui)送(song)、受(shou)端(duan)(duan)(duan)電(dian)(dian)網(wang)的沖擊(ji)，同時通過(guo)低壓限流(liu)(liu)控(kong)制措(cuo)施可(ke)降低對(dui)(dui)受(shou)端(duan)(duan)(duan)電(dian)(dian)網(wang)短路(lu)電(dian)(dian)流(liu)(liu)超標問題的影響(xiang)。

送、受(shou)端均采用(yong)柔(rou)性輸電技術，能夠(gou)實(shi)現±800kV、輸電容量(liang)8000MW的特(te)高壓柔(rou)性直流(liu)送電，可(ke)在送、受(shou)端多直流(liu)集中(zhong)接入情況下(xia)探(tan)索實(shi)現大規模清潔能源跨區(qu)外送新模式，避(bi)免多回直流(liu)間相(xiang)互影(ying)響，提升對系統的支(zhi)撐能力，提升系統穩定特(te)性，同(tong)時可(ke)引(yin)領(ling)高電壓等級、大輸送容量(liang)柔(rou)性直流(liu)輸電技術革新，具有重要(yao)的示范(fan)意義。

本(ben)項(xiang)目主(zhu)要建設內(nei)容包括：新建送端±800kV甘肅換(huan)流(liu)(liu)站(zhan)(zhan)（以下(xia)簡(jian)(jian)稱(cheng)“送端換(huan)流(liu)(liu)站(zhan)(zhan)”，含(han)配(pei)套送端接(jie)(jie)地(di)(di)極(ji)和接(jie)(jie)地(di)(di)極(ji)線路工(gong)(gong)(gong)程(cheng)(cheng)(cheng)、110kV換(huan)流(liu)(liu)站(zhan)(zhan)站(zhan)(zhan)外(wai)電(dian)(dian)源(yuan)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)、10kV接(jie)(jie)地(di)(di)極(ji)電(dian)(dian)源(yuan)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)）；新建受端±800kV浙江換(huan)流(liu)(liu)站(zhan)(zhan)（以下(xia)簡(jian)(jian)稱(cheng)“受端換(huan)流(liu)(liu)站(zhan)(zhan)”，含(han)配(pei)套受端接(jie)(jie)地(di)(di)極(ji)和接(jie)(jie)地(di)(di)極(ji)線路工(gong)(gong)(gong)程(cheng)(cheng)(cheng)、35kV換(huan)流(liu)(liu)站(zhan)(zhan)站(zhan)(zhan)外(wai)電(dian)(dian)源(yuan)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)、10kV接(jie)(jie)地(di)(di)極(ji)電(dian)(dian)源(yuan)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)）；新建±800kV直流(liu)(liu)輸電(dian)(dian)線路2370.1km（含(han)白銀黃(huang)河大(da)跨(kua)越(yue)、蕪湖長江大(da)跨(kua)越(yue)）；新建GIL管廊工(gong)(gong)(gong)程(cheng)(cheng)(cheng)（含(han)北岸(an)引(yin)接(jie)(jie)站(zhan)(zhan)、南岸(an)引(yin)接(jie)(jie)站(zhan)(zhan)、35kV引(yin)接(jie)(jie)站(zhan)(zhan)電(dian)(dian)源(yuan)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)、GIL管廊、500kV搭接(jie)(jie)線路約8.0km）；新建肥西-繁昌500kV線路長江大(da)跨(kua)越(yue)過渡工(gong)(gong)(gong)程(cheng)(cheng)(cheng)；配(pei)套直流(liu)(liu)改(gai)造(zao)和交流(liu)(liu)線路改(gai)造(zao)工(gong)(gong)(gong)程(cheng)(cheng)(cheng)。

本(ben)項目直流(liu)(liu)工程起于甘肅省武威市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)民勤縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)的(de)送端換流(liu)(liu)站，止于浙(zhe)江省紹興市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)上虞(yu)(yu)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)的(de)受端換流(liu)(liu)站，途經(jing)甘肅省武威市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)民勤縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、涼(liang)州區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、古浪縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，白銀(yin)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)景泰(tai)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、靖遠縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，寧(ning)夏回族自治區(qu)(qu)(qu)(qu)(qu)(qu)(qu)中(zhong)衛市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)沙坡頭區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、海原縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，固原市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)西(xi)吉縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、隆德縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，甘肅省平(ping)涼(liang)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)靜寧(ning)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、莊浪縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，天水市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)秦安(an)(an)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、清水縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、麥(mai)積區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，隴南(nan)(nan)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)兩當縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，陜西(xi)省寶雞市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鳳縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，漢(han)中(zhong)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)留壩縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、城固縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、洋縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、佛坪縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，安(an)(an)康市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)石泉縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、寧(ning)陜縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，商(shang)洛(luo)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)鎮安(an)(an)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、山(shan)陽(yang)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、丹鳳縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、商(shang)南(nan)(nan)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，河南(nan)(nan)省南(nan)(nan)陽(yang)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)西(xi)峽縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、淅川(chuan)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、內鄉(xiang)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、鄧州市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、新(xin)野(ye)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、唐河縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、桐(tong)柏縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，信陽(yang)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)平(ping)橋(qiao)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、羊山(shan)新(xin)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、羅山(shan)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、息縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、潢(huang)川(chuan)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、商(shang)城縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、固始縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，安(an)(an)徽省六(liu)安(an)(an)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)葉集區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、裕安(an)(an)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、金安(an)(an)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、舒城縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)，合(he)肥市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)肥西(xi)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、廬江縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、巢湖市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，蕪湖市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)無為市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、繁昌區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、南(nan)(nan)陵(ling)縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)、灣沚區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，宣(xuan)城市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)宣(xuan)州區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、寧(ning)國(guo)市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)，浙(zhe)江省杭州市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)臨安(an)(an)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、富陽(yang)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，紹興市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)諸暨市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)、柯(ke)橋(qiao)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)、上虞(yu)(yu)區(qu)(qu)(qu)(qu)(qu)(qu)(qu)。合(he)計涉及6個省級(ji)行(xing)政區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，19個地市(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)(shi)級(ji)行(xing)政區(qu)(qu)(qu)(qu)(qu)(qu)(qu)，58個縣(xian)(xian)(xian)(xian)(xian)(xian)(xian)(xian)（區(qu)(qu)(qu)(qu)(qu)(qu)(qu)）級(ji)行(xing)政區(qu)(qu)(qu)(qu)(qu)(qu)(qu)。

本項目動態投資總(zong)計3546134萬元，計劃(hua)于2027年7月建(jian)成投運。

工程主(zhu)要(yao)是為了(le)落實國家(jia)《“十四(si)五”電力發展規(gui)劃》，保障甘肅(su)騰格里沙漠河(he)西(xi)新(xin)能源基地新(xin)能源電力可(ke)靠(kao)送出。

浙(zhe)(zhe)江(jiang)電(dian)(dian)(dian)(dian)網(wang)(wang)是華東電(dian)(dian)(dian)(dian)網(wang)(wang)的重要組成部(bu)分(fen)，截至2023年(nian)(nian)底，浙(zhe)(zhe)江(jiang)省電(dian)(dian)(dian)(dian)源總裝機(ji)容量為(wei)130767MW（不(bu)含新(xin)型儲能）。2023年(nian)(nian)浙(zhe)(zhe)江(jiang)省全(quan)社會(hui)用(yong)電(dian)(dian)(dian)(dian)量為(wei)6192×10 8kWh，同(tong)比(bi)增(zeng)長6.8%;全(quan)社會(hui)最(zui)大(da)負荷為(wei)110220MW，同(tong)比(bi)增(zeng)長1.7%。2025年(nian)(nian)浙(zhe)(zhe)江(jiang)省全(quan)社會(hui)用(yong)電(dian)(dian)(dian)(dian)量和最(zui)大(da)負荷預測將分(fen)別達(da)到6660×108kWh和124300MW，“十(shi)四(si)五”年(nian)(nian)均增(zeng)長率分(fen)別為(wei)6.6%和6%。電(dian)(dian)(dian)(dian)力(li)平衡計算(suan)結果表明(ming)，考慮現役、核準在(zai)建(jian)、納規電(dian)(dian)(dian)(dian)源及已明(ming)確外部(bu)協議電(dian)(dian)(dian)(dian)力(li)，2025年(nian)(nian)浙(zhe)(zhe)江(jiang)電(dian)(dian)(dian)(dian)網(wang)(wang)存在(zai)一(yi)定電(dian)(dian)(dian)(dian)力(li)缺口。本工(gong)程可(ke)緩解(jie)受端浙(zhe)(zhe)江(jiang)電(dian)(dian)(dian)(dian)網(wang)(wang)的供電(dian)(dian)(dian)(dian)壓力(li)，保障(zhang)電(dian)(dian)(dian)(dian)網(wang)(wang)安全(quan)穩定運(yun)行，促進送、受端地區的經濟(ji)發展(zhan)，具(ju)有良好的經濟(ji)效(xiao)益。

本項目的(de)建設(she)符合我國(guo)能(neng)源“西(xi)電(dian)(dian)東送(song)”整體電(dian)(dian)力流向，甘肅騰格里沙(sha)漠(mo)(mo)河(he)西(xi)新(xin)能(neng)源基地是國(guo)家(jia)規(gui)劃建設(she)的(de)以沙(sha)漠(mo)(mo)、戈(ge)壁(bi)、荒漠(mo)(mo)地區(qu)(qu)(qu)為(wei)重點的(de)大型風電(dian)(dian)光(guang)伏(fu)基地之一，將甘肅武威和(he)金昌地區(qu)(qu)(qu)電(dian)(dian)力跨區(qu)(qu)(qu)輸送(song)至浙江(jiang)電(dian)(dian)網，為(wei)實現大范圍(wei)內資源優化(hua)配置創造了(le)有利(li)條件(jian)，可促進武威和(he)金昌地區(qu)(qu)(qu)經濟社(she)會高(gao)(gao)質量發(fa)展，提高(gao)(gao)浙江(jiang)省綠色能(neng)源消(xiao)費占(zhan)比(bi)，有利(li)于浙江(jiang)大氣污(wu)染防(fang)治。工程可以減(jian)少受(shou)端燃煤消(xiao)耗(hao)，減(jian)少二(er)(er)氧(yang)化(hua)碳、二(er)(er)氧(yang)化(hua)硫、氮氧(yang)化(hua)物(wu)等(deng)排放，具有較(jiao)為(wei)明顯的(de)經濟、環保和(he)低碳發(fa)展效益。