文章來源：國家電網公司 發布時間(jian)：2009-10-21
10月16日(ri)，浙江杭州西連瓶窯變、東接喬司(si)變的500千(qian)伏瓶窯——喬司(si)開口(kou)環(huan)入杭北(bei)變輸(shu)電線路和杭北(bei)變220千(qian)伏配(pei)套(tao)送出工程首個(ge)雙(shuang)回線路同時并網運(yun)行(xing)。
500千(qian)(qian)伏(fu)瓶喬開口環入(ru)杭(hang)北變輸(shu)(shu)電(dian)線(xian)路工(gong)(gong)(gong)程(cheng)，是500千(qian)(qian)伏(fu)杭(hang)北輸(shu)(shu)變電(dian)工(gong)(gong)(gong)程(cheng)的(de)重(zhong)要組(zu)成部分。工(gong)(gong)(gong)程(cheng)新建基(ji)礎、桿(gan)塔31基(ji)，線(xian)路全(quan)長9.2千(qian)(qian)米，是杭(hang)北變接入(ru)的(de)首條500千(qian)(qian)伏(fu)輸(shu)(shu)電(dian)線(xian)路。杭(hang)北變220千(qian)(qian)伏(fu)送出工(gong)(gong)(gong)程(cheng)為浙(zhe)江(jiang)省首條架設(she)四分裂導線(xian)的(de)220千(qian)(qian)伏(fu)線(xian)路工(gong)(gong)(gong)程(cheng)。一(yi)系列重(zhong)點(dian)電(dian)網(wang)工(gong)(gong)(gong)程(cheng)的(de)投運(yun)，將(jiang)有效(xiao)改善杭(hang)州城北地區的(de)電(dian)網(wang)結構(gou)。