文章來源：國(guo)家電(dian)網公司(si) 發布(bu)時間：2010-06-08
6月2日上午，500千(qian)伏靜安（世(shi)博）變電站進線青年工(gong)程(cheng)在(zai)上海浦東(dong)成山路(lu)開工(gong)。該工(gong)程(cheng)是目前(qian)世(shi)界(jie)上線路(lu)長度最長、接頭數量最多的500千(qian)伏電纜(lan)工(gong)程(cheng)，工(gong)程(cheng)計劃于2010年3月竣工(gong)。
由上海電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)工(gong)(gong)程(cheng)有(you)限公(gong)司施工(gong)(gong)的500千伏世(shi)博(bo)變進線(xian)(xian)工(gong)(gong)程(cheng)，是為緩(huan)解(jie)上海市中(zhong)心城區(qu)供電(dian)(dian)(dian)(dian)壓力(li)，確保2010年世(shi)博(bo)會電(dian)(dian)(dian)(dian)力(li)供應的一(yi)項重(zhong)大工(gong)(gong)程(cheng)。工(gong)(gong)程(cheng)自浦東三林變電(dian)(dian)(dian)(dian)站(zhan)至(zhi)浦西(xi)靜(jing)安(an)(世(shi)博(bo))地下變電(dian)(dian)(dian)(dian)站(zhan)，全(quan)線(xian)(xian)雙回500千伏電(dian)(dian)(dian)(dian)纜(lan)全(quan)部敷設于(yu)新建電(dian)(dian)(dian)(dian)力(li)隧(sui)道內，隧(sui)道經北京西(xi)路(lu)至(zhi)華夏西(xi)路(lu)全(quan)長近16千米，隧(sui)道最(zui)(zui)大直徑達(da)5.5米，全(quan)線(xian)(xian)設電(dian)(dian)(dian)(dian)纜(lan)工(gong)(gong)作井15座(zuo)，最(zui)(zui)深處位于(yu)地下29米，共有(you)500千伏電(dian)(dian)(dian)(dian)纜(lan)中(zhong)間接頭147相(xiang)，GIS終端12相(xiang)。工(gong)(gong)程(cheng)電(dian)(dian)(dian)(dian)纜(lan)在隧(sui)道中(zhong)采(cai)用(yong)“品(pin)”字形排列，設計容(rong)量達(da)100萬千瓦，電(dian)(dian)(dian)(dian)纜(lan)截面(mian)達(da)到2500平方毫(hao)米，單盤(pan)(pan)電(dian)(dian)(dian)(dian)纜(lan)分別(bie)為640米和720米，單盤(pan)(pan)重(zhong)量都超過30噸。
作(zuo)為(wei)(wei)世(shi)界領先的大型工(gong)(gong)程，工(gong)(gong)程面(mian)(mian)臨(lin)敷(fu)設施(shi)(shi)工(gong)(gong)路徑長、工(gong)(gong)井(jing)深(shen)、電纜(lan)重、隧(sui)道通信困難等諸(zhu)多(duo)難點。為(wei)(wei)確(que)保(bao)(bao)工(gong)(gong)程按質按期完(wan)成，電纜(lan)公司在(zai)敷(fu)設施(shi)(shi)工(gong)(gong)中(zhong)，采(cai)用(yong)(yong)500千伏(fu)電纜(lan)專(zhuan)用(yong)(yong)放線(xian)架，結合電動導輪和(he)履帶式輸送機變(bian)頻聯(lian)動敷(fu)設，確(que)保(bao)(bao)電纜(lan)敷(fu)設安全(quan)、可靠、高效。在(zai)隧(sui)道通信方面(mian)(mian)，采(cai)用(yong)(yong)隧(sui)道專(zhuan)用(yong)(yong)通信系(xi)統，大大提高了工(gong)(gong)作(zuo)效率。在(zai)接頭施(shi)(shi)工(gong)(gong)中(zhong)，采(cai)用(yong)(yong)自主開(kai)發的電纜(lan)隧(sui)道接頭環境監控(kong)系(xi)統，對潔凈(jing)度(du)、濕度(du)、溫(wen)度(du)進行全(quan)面(mian)(mian)監控(kong)，確(que)保(bao)(bao)超凈(jing)的接頭環境。