文章來(lai)源:國家(jia)電(dian)網公司 發布時間:2018-08-11
8月10日(ri)22時30分,隨著調度人員一聲令下,開關合(he)閘,110千伏(fu)九寨(zhai)溝(gou)變電(dian)站(zhan)恢復送(song)電(dian),這(zhe)標志著九寨(zhai)溝(gou)地(di)震中受(shou)損的國家電(dian)網公司(si)所屬線路和變電(dian)站(zhan)全(quan)部恢復送(song)電(dian)。
2017年(nian)8月8日晚,九(jiu)(jiu)寨溝(gou)發生(sheng)7.0級地震(zhen),造(zao)成阿壩(ba)電網110千(qian)伏川九(jiu)(jiu)線停運,九(jiu)(jiu)寨溝(gou)變電站(zhan)主(zhu)變壓器報廢,站(zhan)內80%開關刀閘斷(duan)裂損毀,同(tong)時35千(qian)伏南(nan)黃線停運。黃龍景區及周邊1900余戶居(ju)民(min)客戶停電,九(jiu)(jiu)寨溝(gou)景區和(he)縣城失去主(zhu)要(yao)供電電源。
8月(yue)8日(ri)晚,國家電網搶修人(ren)員(yuan)第(di)一(yi)時(shi)間挺進震區
110千(qian)(qian)(qian)伏九(jiu)寨(zhai)溝(gou)變(bian)電(dian)站位于(yu)(yu)九(jiu)寨(zhai)溝(gou)縣漳(zhang)扎(zha)鎮(zhen)甘海子村,地(di)處(chu)地(di)震核(he)心區。由于(yu)(yu)受(shou)(shou)損嚴重,110千(qian)(qian)(qian)伏主變(bian)短時間內(nei)難以修復,必須采用臨時變(bian)壓器,代替原(yuan)(yuan)有(you)主變(bian)。經過(guo)對幾個方案的(de)反復權衡,指揮(hui)部很快確定(ding)了恢復供電(dian)的(de)方案:從松(song)潘35千(qian)(qian)(qian)伏城(cheng)南變(bian)電(dian)站緊急調撥一臺35千(qian)(qian)(qian)伏主變(bian),替代九(jiu)寨(zhai)溝(gou)變(bian)電(dian)站原(yuan)(yuan)有(you)110千(qian)(qian)(qian)伏主變(bian)的(de)功能;110千(qian)(qian)(qian)伏川九(jiu)線改為降壓運行(xing),由松(song)潘縣110千(qian)(qian)(qian)伏川主寺變(bian)電(dian)站送(song)電(dian)到九(jiu)寨(zhai)溝(gou)變(bian)電(dian)站,再(zai)通過(guo)修復后(hou)的(de)九(jiu)火線,為受(shou)(shou)災地(di)區供電(dian)。
搶修人(ren)員(yuan)徒步經過(guo)滑(hua)坡體(ti),處理倒伏樹木,清除線路障礙
8月10日是(shi)恢復送(song)電的關鍵一天。當天清晨(chen),經過一天的道路搶通,110千伏九寨溝(gou)變(bian)電站(zhan)備用主(zhu)變(bian)幾經周折運送(song)到了(le)九寨溝(gou)變(bian)電站(zhan)。恢復送(song)電的條(tiao)件具備了(le)!
開辟山(shan)路小道,人(ren)工運送設(she)備
坐鎮110千伏九寨溝變電(dian)站指揮抗(kang)震救災工(gong)作的(de)國網四川(chuan)電(dian)力董事長(chang)石玉(yu)東(dong)下(xia)了(le)“死命令”:變壓器已經(jing)運(yun)達,不能(neng)因人為因素耽擱送電(dian),務(wu)必于當天完成(cheng)九寨溝變電(dian)站臨時(shi)變壓器吊裝和安裝調試,并恢(hui)復(fu)送電(dian)!務(wu)必于當天搶通35千伏南黃線,恢(hui)復(fu)向黃龍景區及附近居民客戶(hu)送電(dian)!
搶修人員在受損(sun)的變電站忙碌著
余震(zhen)仍在(zai)(zai)繼續,四面山體(ti)上不斷傳(chuan)來(lai)石塊垮(kua)落的噼(pi)啪聲(sheng),山體(ti)垮(kua)塌形成的煙塵(chen)久(jiu)久(jiu)不散(san)。110千伏九寨溝變(bian)電(dian)站內,國家電(dian)網應急救援隊(dui)員正在(zai)(zai)忙碌地吊(diao)(diao)裝臨時主變(bian)壓(ya)器……“起吊(diao)(diao)!向左!”盡管(guan)余震(zhen)不斷,阿壩供電(dian)公(gong)司和馳援的綿陽供電(dian)公(gong)司搶修人員,仍緊(jin)張有序(xu)地開始了主變(bian)吊(diao)(diao)裝工作。
臨時主(zhu)變吊裝就位后,試驗(yan)人(ren)員開始對35千(qian)伏主(zhu)變壓器進行各項高(gao)壓試驗(yan),接入35千(qian)伏、10千(qian)伏高(gao)壓室(shi)……隨著(zhu)現場總指揮任(ren)務表上畫勾的(de)項目越來越多,最終送電的(de)目標越來越近。
17時45分,35千伏南黃線355開關合閘!18時15分,35千伏黃龍變(bian)電站三(san)條(tiao)10千伏出線全部(bu)恢復(fu)送電,黃龍景區及1900余戶居民(min)全部(bu)恢復(fu)用(yong)電!
8月10日晚(wan),110千伏九(jiu)寨溝(gou)變電(dian)站進入(ru)搶修(xiu)攻堅(jian)戰階段
時(shi)間一分一秒向前推進,受損線路、設備(bei)只剩下九寨(zhai)溝(gou)變(bian)(bian)電(dian)站的主(zhu)變(bian)(bian)尚(shang)未送電(dian)。夜幕降臨,山間的氣溫降至(zhi)5攝氏度左(zuo)右,110千伏九寨(zhai)溝(gou)變(bian)(bian)電(dian)站內一片忙碌,拆除受損間隔(ge)、開展(zhan)耐壓試(shi)驗(yan)、安(an)裝新變(bian)(bian)壓器(qi)……100余名搶修人(ren)員分工明確,干(gan)勁十足,全力投入主(zhu)變(bian)(bian)恢(hui)復送電(dian)工作中。
為(wei)服務(wu)區接(jie)線供電,為(wei)災區群眾(zhong)提(ti)供可靠電源
110千伏(fu)九寨溝變電(dian)(dian)(dian)站恢復(fu)送電(dian)(dian)(dian),國家電(dian)(dian)(dian)網(wang)受(shou)災(zai)(zai)線(xian)路和變電(dian)(dian)(dian)站搶修復(fu)電(dian)(dian)(dian)工(gong)作取(qu)得決定性勝利。下一步,國網(wang)四川電(dian)(dian)(dian)力將根據(ju)救災(zai)(zai)指揮(hui)部的統一安排,全(quan)力支援地(di)方供(gong)電(dian)(dian)(dian)企業受(shou)災(zai)(zai)電(dian)(dian)(dian)力設(she)施的搶修,為受(shou)災(zai)(zai)地(di)區居民集中安置點架設(she)供(gong)電(dian)(dian)(dian)線(xian)路。