文章來(lai)源:國家(jia)電網(wang)公司 發布(bu)時間(jian):2018-08-11
8月10日22時(shi)30分,隨著調度人員一聲令下,開(kai)關合閘(zha),110千伏(fu)九寨溝變電(dian)(dian)站恢復送電(dian)(dian),這標志著九寨溝地(di)震(zhen)中受損的國家電(dian)(dian)網公司所屬線(xian)路和變電(dian)(dian)站全部恢復送電(dian)(dian)。
2017年8月8日(ri)晚,九(jiu)寨溝發生7.0級地震,造(zao)成阿壩電網110千伏(fu)川九(jiu)線停(ting)運(yun),九(jiu)寨溝變(bian)電站(zhan)主變(bian)壓器報廢,站(zhan)內80%開關(guan)刀閘斷(duan)裂損(sun)毀(hui),同時35千伏(fu)南黃線停(ting)運(yun)。黃龍景區(qu)及周(zhou)邊(bian)1900余戶居民客戶停(ting)電,九(jiu)寨溝景區(qu)和縣城失去主要供電電源。
8月8日晚(wan),國家電網搶修(xiu)人員第(di)一時(shi)間(jian)挺進震(zhen)區
110千(qian)伏(fu)九(jiu)寨(zhai)溝(gou)(gou)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)位于(yu)九(jiu)寨(zhai)溝(gou)(gou)縣漳扎鎮甘海子村,地處(chu)地震核(he)心(xin)區(qu)。由于(yu)受損嚴重,110千(qian)伏(fu)主(zhu)(zhu)變(bian)(bian)短時(shi)間(jian)內(nei)難以修復,必須(xu)采用臨時(shi)變(bian)(bian)壓(ya)器,代替(ti)原有(you)主(zhu)(zhu)變(bian)(bian)。經過(guo)對幾個方(fang)案的(de)反復權衡(heng),指揮部很快確定(ding)了恢復供電(dian)(dian)(dian)的(de)方(fang)案:從(cong)松潘35千(qian)伏(fu)城南(nan)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)緊急調撥一臺(tai)35千(qian)伏(fu)主(zhu)(zhu)變(bian)(bian),替(ti)代九(jiu)寨(zhai)溝(gou)(gou)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)原有(you)110千(qian)伏(fu)主(zhu)(zhu)變(bian)(bian)的(de)功能(neng);110千(qian)伏(fu)川九(jiu)線(xian)(xian)改為降壓(ya)運行,由松潘縣110千(qian)伏(fu)川主(zhu)(zhu)寺變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)送電(dian)(dian)(dian)到九(jiu)寨(zhai)溝(gou)(gou)變(bian)(bian)電(dian)(dian)(dian)站(zhan)(zhan)(zhan),再通過(guo)修復后的(de)九(jiu)火(huo)線(xian)(xian),為受災地區(qu)供電(dian)(dian)(dian)。
搶修人(ren)員徒(tu)步(bu)經(jing)過滑坡體(ti),處理倒(dao)伏(fu)樹木,清除(chu)線(xian)路障礙(ai)
8月10日是恢(hui)復(fu)送(song)電的關鍵(jian)一天。當天清(qing)晨,經過一天的道路搶通,110千伏九(jiu)寨溝(gou)變(bian)電站(zhan)備用(yong)主變(bian)幾(ji)經周折運送(song)到了(le)(le)九(jiu)寨溝(gou)變(bian)電站(zhan)。恢(hui)復(fu)送(song)電的條件(jian)具備了(le)(le)!
開辟山路小道,人工運送設備
坐鎮(zhen)110千伏九寨(zhai)溝變(bian)電(dian)(dian)站指揮(hui)抗震(zhen)救災工(gong)作的國網四(si)川電(dian)(dian)力(li)董事長(chang)石玉東下了“死命令”:變(bian)壓器已經(jing)運達,不能因人為因素耽擱送電(dian)(dian),務必于當天完(wan)成九寨(zhai)溝變(bian)電(dian)(dian)站臨(lin)時變(bian)壓器吊裝和安裝調試,并恢復送電(dian)(dian)!務必于當天搶通35千伏南黃(huang)線,恢復向黃(huang)龍(long)景區及(ji)附近(jin)居(ju)民(min)客戶(hu)送電(dian)(dian)!
搶(qiang)修人員在受損的變電站忙碌著
余震仍(reng)在(zai)繼續(xu),四面山體上不斷傳來石塊垮落的(de)噼啪聲,山體垮塌形成的(de)煙塵久久不散。110千伏九(jiu)寨(zhai)溝變(bian)電站內,國家電網(wang)應急救援隊員正在(zai)忙碌地(di)吊裝臨時主變(bian)壓器(qi)……“起吊!向左!”盡管余震不斷,阿(a)壩(ba)供(gong)(gong)電公司(si)和馳(chi)援的(de)綿陽供(gong)(gong)電公司(si)搶(qiang)修人員,仍(reng)緊張有序地(di)開始了(le)主變(bian)吊裝工作。
臨時主(zhu)變吊裝就位(wei)后,試(shi)驗人員開始對35千伏(fu)(fu)主(zhu)變壓器進行各項(xiang)高壓試(shi)驗,接入35千伏(fu)(fu)、10千伏(fu)(fu)高壓室……隨著現場總指揮(hui)任務表上畫勾(gou)的項(xiang)目(mu)越(yue)來(lai)越(yue)多,最終送電的目(mu)標(biao)越(yue)來(lai)越(yue)近。
17時45分(fen),35千伏(fu)南黃線355開關合閘!18時15分(fen),35千伏(fu)黃龍(long)(long)變(bian)電(dian)(dian)站三條10千伏(fu)出線全部恢復送(song)電(dian)(dian),黃龍(long)(long)景區及1900余戶居民全部恢復用電(dian)(dian)!
8月10日晚,110千(qian)伏九寨溝變電站進入搶(qiang)修攻堅戰階(jie)段
時間一(yi)(yi)分一(yi)(yi)秒向前推進,受損線路、設備只剩下九寨(zhai)溝變(bian)電(dian)站的(de)主變(bian)尚未送電(dian)。夜幕降臨,山間的(de)氣溫降至5攝(she)氏度(du)左右,110千伏(fu)九寨(zhai)溝變(bian)電(dian)站內一(yi)(yi)片(pian)忙碌,拆除受損間隔、開展耐壓試(shi)驗、安裝(zhuang)新變(bian)壓器……100余名搶修(xiu)人員分工明(ming)確,干勁十(shi)足,全力投入主變(bian)恢(hui)復(fu)送電(dian)工作中。
為(wei)(wei)服(fu)務區(qu)接線供電,為(wei)(wei)災區(qu)群眾提(ti)供可靠電源
110千伏(fu)九寨溝(gou)變(bian)電(dian)(dian)(dian)站恢復(fu)送電(dian)(dian)(dian),國家電(dian)(dian)(dian)網(wang)受災(zai)線路和變(bian)電(dian)(dian)(dian)站搶(qiang)修復(fu)電(dian)(dian)(dian)工作取得決定性(xing)勝利(li)。下一步,國網(wang)四川電(dian)(dian)(dian)力(li)(li)將根據(ju)救災(zai)指揮部的統一安排,全力(li)(li)支援(yuan)地方供(gong)電(dian)(dian)(dian)企業受災(zai)電(dian)(dian)(dian)力(li)(li)設施的搶(qiang)修,為(wei)受災(zai)地區居(ju)民集(ji)中安置點架(jia)設供(gong)電(dian)(dian)(dian)線路。