文章來源(yuan):國(guo)家電網公(gong)司 發(fa)布時間:2009-02-22
2月19日,浙(zhe)江北(bei)春、天曉兩條500千伏(fu)輸電(dian)線路(lu)經過22晝夜的艱苦搶修,于當晚21時11分(fen)正(zheng)式投(tou)入運行。這(zhe)兩條線路(lu)的恢復投(tou)運,使浙(zhe)江寧(ning)波電(dian)網500千伏(fu)網架結構(gou)恢復正(zheng)常(chang),電(dian)網穩(wen)定性得到進(jin)一步提(ti)高。
這兩條線(xian)路的(de)受損電(dian)塔海(hai)拔超過500米,位于寧波(bo)北侖地(di)區的(de)一個常(chang)年風力很大的(de)山口,在(zai)搶修(xiu)施工(gong)(gong)過程中,連(lian)續多(duo)天遭遇7-11級大風,每班(ban)電(dian)力搶修(xiu)施工(gong)(gong)工(gong)(gong)人只能在(zai)塔上(shang)工(gong)(gong)作(zuo)半小時(shi),國家(jia)電(dian)網公司的(de)浙江(jiang)送變(bian)電(dian)公司現(xian)場施工(gong)(gong)人員克服了重(zhong)重(zhong)困難,在(zai)加強安全(quan)措施的(de)前(qian)提下,多(duo)班(ban)次(ci)輪流上(shang)塔搶修(xiu),終(zhong)于在(zai)正月十(shi)五大負(fu)荷來臨之前(qian),將(jiang)線(xian)路搶通(tong)投運。
該線路的恢復投運,使失去達22日(ri)之久的浙江春曉變(bian)(bian)恢復500千(qian)(qian)伏聯絡(luo),寧波(bo)電(dian)網500千(qian)(qian)伏網架結構恢復正常,電(dian)網穩定性(xing)得到進一步(bu)提(ti)高(gao)(gao)。春曉變(bian)(bian)供區供電(dian)能(neng)力(li)提(ti)高(gao)(gao)60萬(wan)千(qian)(qian)瓦(wa)(wa),目前(qian)已限(xian)電(dian)20萬(wan)千(qian)(qian)瓦(wa)(wa)全部解放。寧波(bo)電(dian)網供電(dian)能(neng)力(li)提(ti)高(gao)(gao)100萬(wan)千(qian)(qian)瓦(wa)(wa)以上,其中天一主變(bian)(bian)下(xia)(xia)送(song)限(xian)額由125萬(wan)千(qian)(qian)瓦(wa)(wa)提(ti)高(gao)(gao)到180萬(wan)千(qian)(qian)瓦(wa)(wa),春曉變(bian)(bian)下(xia)(xia)送(song)限(xian)額提(ti)高(gao)(gao)到60萬(wan)千(qian)(qian)瓦(wa)(wa)。北侖電(dian)廠電(dian)力(li)送(song)出能(neng)力(li)增加50萬(wan)千(qian)(qian)瓦(wa)(wa),除滿足(zu)寧波(bo)地區供電(dian)外(wai),還可支援全省(sheng)發用(yong)電(dian)平衡。
目前,國家電(dian)(dian)網營業區域內,停(ting)運(yun)(yun)變電(dian)(dian)站已(yi)(yi)(yi)恢(hui)復(fu)813座,停(ting)運(yun)(yun)輸(shu)電(dian)(dian)線路(lu)已(yi)(yi)(yi)恢(hui)復(fu)14531條,損毀桿塔已(yi)(yi)(yi)恢(hui)復(fu)165838基,恢(hui)復(fu)率全部超過90%。國家電(dian)(dian)網公司已(yi)(yi)(yi)累計恢(hui)復(fu)停(ting)電(dian)(dian)用戶2609萬戶,占累計停(ting)電(dian)(dian)用戶的96.44%,其中城市(shi)停(ting)電(dian)(dian)用戶已(yi)(yi)(yi)恢(hui)復(fu)595.24萬戶,恢(hui)復(fu)率達(da)到99.96%,已(yi)(yi)(yi)逼近完勝。