文章來源:國家(jia)電網(wang)有(you)限公司 發布(bu)時間:2021-07-03
6月28日,《長江三角洲區域一(yi)體(ti)化發展規劃(hua)綱要》重點基(ji)礎設(she)施(shi)建設(she)項(xiang)目——東吳(wu)1000千伏特高(gao)壓交流變(bian)電(dian)站擴建工程完成(cheng)系統調試投運。工程投產后,東吳(wu)站共裝設(she)5組特高(gao)壓交流變(bian)壓器(qi)、15個間隔的特高(gao)壓氣體(ti)絕緣全封(feng)閉組合電(dian)器(qi),變(bian)電(dian)容量(liang)高(gao)達(da)1500萬千伏安,成(cheng)為(wei)目前世界上電(dian)力交換能力最強大的交流變(bian)電(dian)站。
東(dong)(dong)吳(wu)站位于江蘇(su)省蘇(su)州市,是華東(dong)(dong)特(te)高壓交流雙環網(wang)的(de)重(zhong)(zhong)要(yao)樞紐,也(ye)是蘇(su)南電網(wang)和上(shang)海電網(wang)接受外來(lai)電力的(de)重(zhong)(zhong)要(yao)支撐。作為國家大(da)氣污(wu)染(ran)防治行(xing)動計劃的(de)重(zhong)(zhong)要(yao)組成(cheng)部分,東(dong)(dong)吳(wu)站在2016年9月建成(cheng)投運(yun),裝設2組主變。蘇(su)南電力需(xu)求持續強勁增長,東(dong)(dong)吳(wu)站投產后雖(sui)已經(jing)過一次擴(kuo)建,仍不能滿足負荷發展需(xu)要(yao),迫切需(xu)要(yao)進一步擴(kuo)建。

東吳1000千伏特高壓交流變電站
擴建工(gong)(gong)(gong)(gong)(gong)程于(yu)2019年6月取得國(guo)家(jia)核準,同年10月開工(gong)(gong)(gong)(gong)(gong)建設(she)。受臨近帶電作業、梅雨季節、特(te)別(bie)是(shi)新冠肺炎疫情的(de)(de)不(bu)利影響,從核準至今的(de)(de)實際有效施工(gong)(gong)(gong)(gong)(gong)時(shi)間不(bu)足(zu)7個月。面對突如其來的(de)(de)疫情,為確保(bao)2020年迎峰(feng)度夏需求,工(gong)(gong)(gong)(gong)(gong)程在全國(guo)疫情最為錯綜(zong)復雜階段,率先復工(gong)(gong)(gong)(gong)(gong)復產,嚴格把(ba)好(hao)“三(san)(san)關”、做到(dao)“三(san)(san)到(dao)位”,細化落實現場消(xiao)殺、封閉管理、健康(kang)監測、軌跡排查和應急措施,分時(shi)分區精(jing)密組織施工(gong)(gong)(gong)(gong)(gong)。各(ge)參建單(dan)位擔當作為、攻堅克難,堅持(chi)防疫復工(gong)(gong)(gong)(gong)(gong)兩手抓、兩不(bu)誤,堅持(chi)安(an)全第一、質(zhi)量至上,高質(zhi)量完成工(gong)(gong)(gong)(gong)(gong)程建設(she)任務。
工(gong)程調(diao)試(shi)(shi)階段,按(an)照(zhao)疫情常態化防控需求,創新采用了(le)(le)“遠(yuan)程視頻指揮(hui)+現(xian)場執行(xing)(xing)實施”的(de)系(xi)統(tong)調(diao)試(shi)(shi)新模式,嚴(yan)格按(an)計劃開展(zhan)了(le)(le)主變(bian)壓(ya)器(qi)投切、無功(gong)裝置投切、系(xi)統(tong)合解環、過電壓(ya)與電磁環境測(ce)量等109項測(ce)試(shi)(shi)試(shi)(shi)驗(yan),系(xi)統(tong)和設備經受了(le)(le)嚴(yan)格考(kao)核(he)。6月28日1時36分(fen),工(gong)程完成調(diao)試(shi)(shi)投運,系(xi)統(tong)運行(xing)(xing)平穩、設備狀態正(zheng)常。
工(gong)程(cheng)投運后,可(ke)為蘇南電網(wang)新增(zeng)供電能(neng)力百萬千(qian)瓦,進一步提升(sheng)華東特高壓交流環網(wang)的安全(quan)穩定水平(ping),對確保迎峰(feng)度夏電網(wang)可(ke)靠供電具(ju)有重要意義(yi),為長三角(jiao)一體(ti)化發展再(zai)添新動能(neng)。
【責任編輯:趙藝(yi)涵】