文章來(lai)源:國(guo)家電(dian)網有限(xian)公司 發布時間:2019-09-04
8月(yue)29日,全國首個智(zhi)能柔性(xing)直流配(pei)(pei)電(dian)網示(shi)范工(gong)程在(zai)浙江杭(hang)州(zhou)江東新城順利通過試運行(xing)考驗,經功能升級后(hou)正式投入運行(xing)。據悉,該工(gong)程的(de)建成實現了配(pei)(pei)電(dian)網從傳統放射型向(xiang)多端互聯網絡轉變,可在(zai)百毫秒(miao)內快速隔離系(xi)統故(gu)障并恢復正常運行(xing),大(da)幅提升杭(hang)州(zhou)電(dian)網的(de)安(an)全可靠性(xing)。
2016年(nian),杭州供電(dian)公司為(wei)打造可靠性高、互(hu)動(dong)友好、經濟(ji)高效的一(yi)流(liu)現代化配電(dian)網,率先啟動(dong)智(zhi)能柔(rou)性直流(liu)配電(dian)網技術研究工作。2017年(nian)10月,智(zhi)能柔(rou)性直流(liu)配電(dian)網示范項目正式開(kai)工建(jian)設,工程額定電(dian)壓±10千伏,總換流(liu)容(rong)量(liang)3萬千瓦。
杭州(zhou)江東新城(cheng)智能(neng)柔性直流配(pei)電(dian)(dian)網工(gong)(gong)程通過采用(yong)區域協調控制、故障(zhang)快速定(ding)位及隔離保護等(deng)技術,實現多路電(dian)(dian)源同(tong)時為(wei)用(yong)戶供(gong)(gong)電(dian)(dian),確保單路電(dian)(dian)源故障(zhang)情況下(xia)負荷安全經濟轉移。同(tong)時,該工(gong)(gong)程可采用(yong)直流供(gong)(gong)電(dian)(dian)模式(shi),在不影響電(dian)(dian)網電(dian)(dian)能(neng)質量的情況下(xia),為(wei)10千(qian)米外用(yong)戶提供(gong)(gong)供(gong)(gong)電(dian)(dian)服(fu)務(wu),極大(da)優化了(le)杭州(zhou)電(dian)(dian)網的供(gong)(gong)電(dian)(dian)能(neng)力。工(gong)(gong)程還(huan)具(ju)備(bei)電(dian)(dian)動汽車充換(huan)電(dian)(dian)設施等(deng)多元化負荷、儲(chu)能(neng)和分布式(shi)電(dian)(dian)源無障(zhang)礙接入的條件(jian),助推能(neng)源互(hu)聯網發展。
【責任編輯:姚騰】