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12月(yue)11日，國家電網(wang)公司重大科技(ji)示(shi)范工程、江蘇(su)南京(jing)220千伏西環網(wang)UPFC（Unified Power Flow Controller 統一潮流(liu)(liu)控制器）工程順利投運(yun)。這是(shi)(shi)我(wo)國首個自主知識產權(quan)的(de)UPFC工程，也是(shi)(shi)國際上首個使用模(mo)塊化多電平換流(liu)(liu)（MMC）技(ji)術(shu)的(de)UPFC工程，標志著全(quan)球(qiu)能源互聯網(wang)最(zui)先進的(de)柔性(xing)交流(liu)(liu)輸電技(ji)術(shu)在江蘇(su)率先落地(di)，我(wo)國在柔性(xing)交流(liu)(liu)輸電技(ji)術(shu)上走在了(le)世界最(zui)前列。

南(nan)京(jing)UPFC工(gong)程于2015年4月獲得核準，6月全面開工(gong)。工(gong)程投資2.2億元(yuan)，占地約18畝(mu)。工(gong)程核心設(she)(she)備是3個直流(liu)(liu)側并(bing)聯(lian)的電(dian)壓源換流(liu)(liu)器（VSC），直流(liu)(liu)側額定電(dian)壓±18千伏，額定電(dian)流(liu)(liu)1.1千安，容量為2×6萬千伏安（串聯(lian)側）+6萬千伏安（并(bing)聯(lian)側）。工(gong)程業主(zhu)單(dan)位為國(guo)網(wang)江(jiang)蘇(su)(su)省電(dian)力公(gong)司，成(cheng)套設(she)(she)備供應(ying)商為南(nan)京(jing)南(nan)瑞(rui)繼保電(dian)氣有限(xian)公(gong)司，設(she)(she)計單(dan)位為中能建江(jiang)蘇(su)(su)省電(dian)力設(she)(she)計院。

11日9時28分(fen)，隨(sui)著UPFC裝置并入南京(jing)(jing)電網(wang)(wang)，南京(jing)(jing)220千(qian)伏(fu)曉(xiao)莊(zhuang)至鐵北(bei)雙線輸送(song)功率實(shi)現精(jing)準控制，實(shi)現預設調控目(mu)標12萬(wan)千(qian)瓦(wa)。國家電網(wang)(wang)公(gong)(gong)司(si)總經(jing)理助理張麗英宣布南京(jing)(jing)西(xi)環網(wang)(wang)UPFC工程(cheng)投運成功。該工程(cheng)充分(fen)展示了(le)(le)國家電網(wang)(wang)公(gong)(gong)司(si)的科技創新能力，標志(zhi)著公(gong)(gong)司(si)智能電網(wang)(wang)高(gao)端(duan)裝備(bei)研(yan)制水平(ping)邁上了(le)(le)新臺階，實(shi)現了(le)(le)“中(zhong)國制造”和“中(zhong)國引領”。

UPFC作為柔性(xing)交流(liu)輸(shu)電(dian)技(ji)術(shu)的(de)集(ji)大成者，代表著未來電(dian)力(li)電(dian)子技(ji)術(shu)的(de)發展方向。一直以(yi)來，世(shi)界(jie)各國廣泛關注(zhu)，進(jin)行了(le)重點(dian)研究。UPFC針對常(chang)規(gui)電(dian)網(wang)建(jian)設(she)、改(gai)造和運行中難以(yi)解決的(de)潮流(liu)控制、供電(dian)能力(li)提升(sheng)(sheng)等難題，通(tong)過大功率電(dian)力(li)電(dian)子技(ji)術(shu)的(de)應用(yong)，使電(dian)網(wang)潮流(liu)由自然分布(bu)轉變(bian)為智能化靈活控制，在保持現有(you)網(wang)架結構(gou)(gou)不(bu)變(bian)、不(bu)新建(jian)輸(shu)電(dian)通(tong)道的(de)前提下，有(you)效解決這些問題。UPFC適(shi)用(yong)于經濟(ji)發達(da)地區城(cheng)市電(dian)網(wang)供電(dian)能力(li)的(de)提升(sheng)(sheng)，以(yi)及現有(you)電(dian)網(wang)的(de)挖潛增效，是構(gou)(gou)建(jian)智能電(dian)網(wang)的(de)重要技(ji)術(shu)手(shou)段，具有(you)廣泛的(de)應用(yong)價值(zhi)。

國(guo)家電(dian)(dian)(dian)網(wang)公司是國(guo)內首家掌握UPFC關鍵技(ji)(ji)(ji)術(shu)的(de)企業，南京西環網(wang)工(gong)程是除美國(guo)、韓國(guo)外，全(quan)球第三個投入(ru)商業運營的(de)UPFC工(gong)程，并且比前(qian)兩(liang)個國(guo)家技(ji)(ji)(ji)術(shu)更先(xian)進。工(gong)程攻克了UPFC系(xi)統仿真、交流(liu)系(xi)統和換(huan)流(liu)器(qi)電(dian)(dian)(dian)氣設(she)(she)計、設(she)(she)備參數選型(xing)、保護控(kong)(kong)制(zhi)策略等(deng)UPFC成(cheng)(cheng)套設(she)(she)計技(ji)(ji)(ji)術(shu)難(nan)題；突破(po)了多換(huan)流(liu)器(qi)靈活拓撲結(jie)構、高壓大容量串聯(lian)變壓器(qi)、大電(dian)(dian)(dian)流(liu)晶閘管旁路開(kai)關（TBS）快速保護、雙線(xian)有功(gong)無功(gong)解耦控(kong)(kong)制(zhi)等(deng)核心技(ji)(ji)(ji)術(shu)；研制(zhi)出包(bao)括(kuo)控(kong)(kong)制(zhi)保護系(xi)統、電(dian)(dian)(dian)壓源型(xing)換(huan)流(liu)閥(fa)及閥(fa)控(kong)(kong)系(xi)統、晶閘管旁路開(kai)關、串聯(lian)變壓器(qi)等(deng)核心設(she)(she)備的(de)成(cheng)(cheng)套裝置，具(ju)有完(wan)全(quan)自主知識產(chan)權，標志著(zhu)我國(guo)已占(zhan)領當今(jin)電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)子(zi)技(ji)(ji)(ji)術(shu)應(ying)用的(de)制(zhi)高點，從本質(zhi)上提升了我國(guo)智(zhi)能電(dian)(dian)(dian)網(wang)相(xiang)關技(ji)(ji)(ji)術(shu)、產(chan)品的(de)國(guo)際競爭(zheng)力(li)。

正是基于UPFC在電(dian)(dian)(dian)網潮流智能靈活(huo)控制方(fang)面的(de)優勢，國家電(dian)(dian)(dian)網公(gong)司(si)決定在南(nan)(nan)京實(shi)施(shi)UPFC工(gong)(gong)(gong)(gong)程，以解決城市供(gong)電(dian)(dian)(dian)走廊建(jian)設十分困難(nan)而導(dao)致供(gong)電(dian)(dian)(dian)能力受限難(nan)題(ti)，積極(ji)服務(wu)南(nan)(nan)京西部核心負(fu)荷區發(fa)展。從項目(mu)開工(gong)(gong)(gong)(gong)到最終投(tou)運，工(gong)(gong)(gong)(gong)程歷時6個月，比類似工(gong)(gong)(gong)(gong)程工(gong)(gong)(gong)(gong)期縮(suo)短50%以上。在建(jian)設過程中，國網江蘇電(dian)(dian)(dian)力在國家電(dian)(dian)(dian)網公(gong)司(si)的(de)統(tong)一領導(dao)下(xia)，充分發(fa)揮特高壓工(gong)(gong)(gong)(gong)程建(jian)設經驗(yan)，與眾多參建(jian)單位一起(qi)，加強協同創(chuang)新(xin)，克服工(gong)(gong)(gong)(gong)期緊(jin)、系(xi)統(tong)復雜、技術難(nan)度大(da)等困難(nan)，全力推進技術創(chuang)新(xin)，實(shi)施(shi)全過程標(biao)準化建(jian)設管理，高標(biao)準完(wan)成(cheng)了工(gong)(gong)(gong)(gong)程建(jian)設任(ren)務(wu)。

南(nan)京(jing)西(xi)環網(wang)(wang)UPFC示范(fan)工程(cheng)的(de)(de)(de)成功投運(yun)，實(shi)現(xian)了南(nan)京(jing)城市(shi)西(xi)部核心區電(dian)(dian)(dian)力(li)傳(chuan)輸(shu)的(de)(de)(de)精準控制，提升該區域供電(dian)(dian)(dian)能(neng)力(li)30%以上，為(wei)地區經(jing)(jing)濟(ji)社會發展提供了堅(jian)強(qiang)的(de)(de)(de)電(dian)(dian)(dian)能(neng)保(bao)障。同(tong)時，該工程(cheng)將顯著(zhu)提高電(dian)(dian)(dian)網(wang)(wang)的(de)(de)(de)整(zheng)體科技含量(liang)，推(tui)動(dong)我(wo)國(guo)電(dian)(dian)(dian)網(wang)(wang)從傳(chuan)統電(dian)(dian)(dian)網(wang)(wang)向安全、高效、經(jing)(jing)濟(ji)、清潔(jie)、互動(dong)現(xian)代電(dian)(dian)(dian)網(wang)(wang)的(de)(de)(de)升級和跨越，為(wei)柔性(xing)交流輸(shu)電(dian)(dian)(dian)技術在我(wo)國(guo)的(de)(de)(de)大規(gui)模推(tui)廣起到很好的(de)(de)(de)示范(fan)作(zuo)用(yong)。