文章(zhang)來(lai)源：國(guo)家電網公(gong)司 發布時間：2009-10-21
10月16日，浙(zhe)江(jiang)杭(hang)州西連瓶窯變、東接喬司變的(de)500千伏(fu)(fu)瓶窯——喬司開口環入杭(hang)北變輸電線(xian)路(lu)和杭(hang)北變220千伏(fu)(fu)配套送出工程首個雙回線(xian)路(lu)同時并網運行。
500千(qian)(qian)伏瓶喬(qiao)開口環入(ru)杭(hang)(hang)北(bei)(bei)(bei)變(bian)輸(shu)(shu)電(dian)線(xian)(xian)(xian)路(lu)工(gong)程(cheng)(cheng)(cheng)，是(shi)500千(qian)(qian)伏杭(hang)(hang)北(bei)(bei)(bei)輸(shu)(shu)變(bian)電(dian)工(gong)程(cheng)(cheng)(cheng)的(de)重(zhong)(zhong)要組(zu)成(cheng)部分(fen)。工(gong)程(cheng)(cheng)(cheng)新建(jian)基礎(chu)、桿(gan)塔(ta)31基，線(xian)(xian)(xian)路(lu)全(quan)長9.2千(qian)(qian)米，是(shi)杭(hang)(hang)北(bei)(bei)(bei)變(bian)接入(ru)的(de)首(shou)(shou)條500千(qian)(qian)伏輸(shu)(shu)電(dian)線(xian)(xian)(xian)路(lu)。杭(hang)(hang)北(bei)(bei)(bei)變(bian)220千(qian)(qian)伏送出工(gong)程(cheng)(cheng)(cheng)為(wei)浙江省首(shou)(shou)條架設四分(fen)裂導線(xian)(xian)(xian)的(de)220千(qian)(qian)伏線(xian)(xian)(xian)路(lu)工(gong)程(cheng)(cheng)(cheng)。一系列重(zhong)(zhong)點電(dian)網工(gong)程(cheng)(cheng)(cheng)的(de)投運(yun)，將有效(xiao)改善(shan)杭(hang)(hang)州(zhou)城北(bei)(bei)(bei)地區(qu)的(de)電(dian)網結(jie)構(gou)。