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12月11日，國(guo)家電網公司重大科技(ji)示范(fan)工(gong)程(cheng)、江蘇(su)南京220千(qian)伏西(xi)環網UPFC（Unified Power Flow Controller 統一(yi)潮流控制器）工(gong)程(cheng)順利投(tou)運(yun)。這是我(wo)國(guo)首個自主知(zhi)識產權(quan)的UPFC工(gong)程(cheng)，也是國(guo)際上首個使用(yong)模(mo)塊(kuai)化(hua)多(duo)電平(ping)換流（MMC）技(ji)術的UPFC工(gong)程(cheng)，標志著全球能源互聯網最(zui)先(xian)進的柔性交流輸(shu)電技(ji)術在江蘇(su)率先(xian)落地(di)，我(wo)國(guo)在柔性交流輸(shu)電技(ji)術上走在了世界最(zui)前列(lie)。

南(nan)京UPFC工程于2015年(nian)4月獲得核(he)準(zhun)，6月全(quan)面開工。工程投資2.2億元，占地約18畝(mu)。工程核(he)心(xin)設備是3個(ge)直流側(ce)并聯(lian)的(de)電壓(ya)源換流器（VSC），直流側(ce)額(e)定(ding)電壓(ya)±18千(qian)伏，額(e)定(ding)電流1.1千(qian)安，容量為2×6萬(wan)千(qian)伏安（串聯(lian)側(ce)）+6萬(wan)千(qian)伏安（并聯(lian)側(ce)）。工程業主(zhu)單(dan)位為國網江蘇省(sheng)電力公(gong)司，成套設備供應商為南(nan)京南(nan)瑞(rui)繼保電氣有限公(gong)司，設計單(dan)位為中能建江蘇省(sheng)電力設計院。

11日9時28分，隨著UPFC裝(zhuang)置并入南(nan)京電(dian)網(wang)(wang)，南(nan)京220千伏曉莊(zhuang)至鐵北雙線(xian)輸送功率實現(xian)精準控(kong)制，實現(xian)預設(she)調控(kong)目標12萬千瓦。國(guo)(guo)家電(dian)網(wang)(wang)公(gong)(gong)(gong)司總經(jing)理助理張麗(li)英(ying)宣布南(nan)京西環(huan)網(wang)(wang)UPFC工程投(tou)運成功。該工程充分展示了(le)國(guo)(guo)家電(dian)網(wang)(wang)公(gong)(gong)(gong)司的科技創新(xin)能力，標志(zhi)著公(gong)(gong)(gong)司智能電(dian)網(wang)(wang)高端裝(zhuang)備研(yan)制水平邁上了(le)新(xin)臺階，實現(xian)了(le)“中國(guo)(guo)制造(zao)”和“中國(guo)(guo)引領”。

UPFC作為(wei)柔性交流輸電(dian)(dian)(dian)技(ji)(ji)術(shu)的(de)(de)集大(da)成(cheng)者，代表著未來電(dian)(dian)(dian)力電(dian)(dian)(dian)子技(ji)(ji)術(shu)的(de)(de)發展方向。一(yi)直(zhi)以(yi)來，世界各國(guo)廣泛(fan)關注，進行(xing)了重點研究。UPFC針對(dui)常規電(dian)(dian)(dian)網(wang)(wang)(wang)建設、改造和運行(xing)中難(nan)以(yi)解決(jue)的(de)(de)潮流控制(zhi)、供電(dian)(dian)(dian)能力提(ti)(ti)升等難(nan)題，通過(guo)大(da)功率電(dian)(dian)(dian)力電(dian)(dian)(dian)子技(ji)(ji)術(shu)的(de)(de)應(ying)用(yong)(yong)，使(shi)電(dian)(dian)(dian)網(wang)(wang)(wang)潮流由自(zi)然分布轉(zhuan)變為(wei)智能化靈活控制(zhi)，在保(bao)持現有(you)(you)(you)網(wang)(wang)(wang)架結構不變、不新建輸電(dian)(dian)(dian)通道的(de)(de)前提(ti)(ti)下(xia)，有(you)(you)(you)效解決(jue)這些問題。UPFC適用(yong)(yong)于經濟(ji)發達(da)地區城(cheng)市電(dian)(dian)(dian)網(wang)(wang)(wang)供電(dian)(dian)(dian)能力的(de)(de)提(ti)(ti)升，以(yi)及現有(you)(you)(you)電(dian)(dian)(dian)網(wang)(wang)(wang)的(de)(de)挖潛增效，是構建智能電(dian)(dian)(dian)網(wang)(wang)(wang)的(de)(de)重要技(ji)(ji)術(shu)手段(duan)，具有(you)(you)(you)廣泛(fan)的(de)(de)應(ying)用(yong)(yong)價值。

國家(jia)(jia)電網(wang)公(gong)司(si)是國內(nei)首家(jia)(jia)掌握(wo)UPFC關(guan)鍵技(ji)術的(de)企業，南京西環網(wang)工程(cheng)(cheng)是除美國、韓國外，全(quan)球第三(san)個(ge)投入商(shang)業運(yun)營的(de)UPFC工程(cheng)(cheng)，并且比前(qian)兩個(ge)國家(jia)(jia)技(ji)術更先進(jin)。工程(cheng)(cheng)攻克了UPFC系(xi)統仿真、交流(liu)系(xi)統和換流(liu)器(qi)電氣(qi)設(she)計、設(she)備參數選型、保(bao)(bao)護控(kong)(kong)(kong)制(zhi)(zhi)策略等UPFC成套設(she)計技(ji)術難題(ti)；突破了多換流(liu)器(qi)靈活拓撲結構、高壓大容量(liang)串聯變(bian)壓器(qi)、大電流(liu)晶閘管(guan)旁路開關(guan)（TBS）快速保(bao)(bao)護、雙線(xian)有功無(wu)功解耦控(kong)(kong)(kong)制(zhi)(zhi)等核(he)心技(ji)術；研制(zhi)(zhi)出包括(kuo)控(kong)(kong)(kong)制(zhi)(zhi)保(bao)(bao)護系(xi)統、電壓源型換流(liu)閥及閥控(kong)(kong)(kong)系(xi)統、晶閘管(guan)旁路開關(guan)、串聯變(bian)壓器(qi)等核(he)心設(she)備的(de)成套裝置，具有完全(quan)自(zi)主知識產權，標志著我國已(yi)占領當(dang)今電力電子技(ji)術應用的(de)制(zhi)(zhi)高點，從(cong)本質上提升了我國智(zhi)能電網(wang)相關(guan)技(ji)術、產品的(de)國際(ji)競(jing)爭(zheng)力。

正是基于UPFC在(zai)電(dian)網潮流智能靈活(huo)控制方面的優勢，國家(jia)(jia)電(dian)網公(gong)司決(jue)(jue)定(ding)在(zai)南京(jing)(jing)實施UPFC工(gong)(gong)程，以解(jie)決(jue)(jue)城市(shi)供電(dian)走廊建(jian)(jian)設(she)(she)十分(fen)困難而導致供電(dian)能力(li)受限難題，積(ji)極服務(wu)南京(jing)(jing)西部核心負荷區發展。從項(xiang)目(mu)開工(gong)(gong)到(dao)最終投運，工(gong)(gong)程歷時(shi)6個月，比類似工(gong)(gong)程工(gong)(gong)期縮(suo)短50%以上。在(zai)建(jian)(jian)設(she)(she)過(guo)程中(zhong)，國網江(jiang)蘇電(dian)力(li)在(zai)國家(jia)(jia)電(dian)網公(gong)司的統一領導下，充分(fen)發揮特高(gao)(gao)壓工(gong)(gong)程建(jian)(jian)設(she)(she)經驗，與眾多(duo)參(can)建(jian)(jian)單位(wei)一起，加強協同(tong)創新，克服工(gong)(gong)期緊、系(xi)統復(fu)雜(za)、技術難度大等(deng)困難，全力(li)推進技術創新，實施全過(guo)程標準(zhun)化(hua)建(jian)(jian)設(she)(she)管理，高(gao)(gao)標準(zhun)完成了(le)工(gong)(gong)程建(jian)(jian)設(she)(she)任務(wu)。

南京西環(huan)網(wang)(wang)(wang)UPFC示范(fan)工程的(de)(de)(de)成功投運(yun)，實(shi)現了南京城(cheng)市西部核心區(qu)(qu)電(dian)(dian)(dian)(dian)力(li)傳(chuan)輸的(de)(de)(de)精準控制，提(ti)升(sheng)該區(qu)(qu)域供(gong)電(dian)(dian)(dian)(dian)能力(li)30%以上，為地(di)區(qu)(qu)經濟(ji)(ji)社會發展提(ti)供(gong)了堅強的(de)(de)(de)電(dian)(dian)(dian)(dian)能保(bao)障。同時(shi)，該工程將顯著提(ti)高電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)的(de)(de)(de)整(zheng)體科技含量，推(tui)動我國電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)從傳(chuan)統(tong)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)向安全、高效、經濟(ji)(ji)、清潔(jie)、互動現代(dai)電(dian)(dian)(dian)(dian)網(wang)(wang)(wang)的(de)(de)(de)升(sheng)級和跨越(yue)，為柔性交流輸電(dian)(dian)(dian)(dian)技術在(zai)我國的(de)(de)(de)大規模推(tui)廣起到(dao)很好的(de)(de)(de)示范(fan)作(zuo)用。