文章來源:中國南方電網有限責任(ren)公司 發布時間:2013-05-18
近日,廣東電網汕頭供電局和南澳縣政府舉行國家“863”計劃“柔性多端直流輸電工程”項目啟動暨簽字儀式,標志著南方電網公司首個柔性多端直流輸電工程落戶廣東汕頭南澳縣。
汕頭南(nan)(nan)澳島域風(feng)能(neng)資(zi)源豐富,且風(feng)能(neng)發(fa)電(dian)(dian)項(xiang)目(mu)開發(fa)較早,現已初具(ju)規模,但因風(feng)電(dian)(dian)波動性(xing)、間(jian)隙性(xing)較強的(de)(de)(de)特點(dian),采用傳統交流(liu)(liu)并網存在(zai)一定(ding)(ding)技(ji)術瓶頸。該項(xiang)目(mu)計(ji)(ji)劃(hua)建(jian)成(cheng)電(dian)(dian)壓等級為±160千(qian)伏,輸送(song)容(rong)量為20萬(wan)千(qian)瓦的(de)(de)(de)多端(duan)柔性(xing)直流(liu)(liu)輸電(dian)(dian)系統,可有效解決上述問題(ti),實(shi)(shi)(shi)現大型風(feng)電(dian)(dian)場柔性(xing)直流(liu)(liu)接入,保障大規模風(feng)電(dian)(dian)的(de)(de)(de)穩(wen)定(ding)(ding)、可靠送(song)出。目(mu)前,工(gong)程項(xiang)目(mu)投資(zi)規模初步估算已超過7.4億元,由南(nan)(nan)方電(dian)(dian)網科學研究(jiu)院牽頭實(shi)(shi)(shi)施,廣東電(dian)(dian)網公司及汕頭供(gong)電(dian)(dian)局負責工(gong)程建(jian)設,計(ji)(ji)劃(hua)于(yu)2013年12月底前建(jian)成(cheng)投產(chan)。投產(chan)后將(jiang)在(zai)分布(bu)式可再(zai)生能(neng)源、孤島供(gong)電(dian)(dian)、城(cheng)市電(dian)(dian)網供(gong)電(dian)(dian)等領域實(shi)(shi)(shi)現突破(po),提升電(dian)(dian)網整(zheng)體(ti)科技(ji)及裝備(bei)水平。