文章來源:中國南方(fang)電(dian)網有限責任公司 發布(bu)時間:2010-11-10
10月27日,云南電網公司所屬送變電工程公司在500千伏紅墨Ⅰ回線257號塔,成功實施了云南省首次500千伏緊湊型輸電線路帶電作業。這一項目的開展,填補了云南電網公司在500千伏緊湊型輸電線路帶電作業方面的空白,對于提高帶電作業水平、提高供電可靠率具有積極的意義。
緊湊型(xing)(xing)輸電(dian)線(xian)(xian)(xian)路(lu)具有輸送容量大(da)、節約送電(dian)走廊、經濟效(xiao)益和社會(hui)效(xiao)益顯著等優點,目前云南(nan)電(dian)網公(gong)(gong)司(si)已擁有緊湊型(xing)(xing)線(xian)(xian)(xian)路(lu)1276公(gong)(gong)里。由于(yu)500千(qian)伏緊湊型(xing)(xing)線(xian)(xian)(xian)路(lu)結構復(fu)雜,空氣絕緣間隙小,開展帶(dai)電(dian)作業(ye)存在著很大(da)的技(ji)術難(nan)度。送變電(dian)工程公(gong)(gong)司(si)于(yu)2008年11月成(cheng)(cheng)(cheng)立了專門小組進行攻關,前期共進行了6次模擬帶(dai)電(dian)作業(ye),并(bing)聯合相關有關廠家設(she)計研制(zhi)(zhi)了專門用于(yu)500千(qian)伏緊湊型(xing)(xing)線(xian)(xian)(xian)路(lu)帶(dai)電(dian)作業(ye)的工器具,經過充(chong)分準備(bei),成(cheng)(cheng)(cheng)功完(wan)成(cheng)(cheng)(cheng)了此次帶(dai)電(dian)作業(ye)。下一步,該公(gong)(gong)司(si)將(jiang)編制(zhi)(zhi)完(wan)成(cheng)(cheng)(cheng)云南(nan)電(dian)網公(gong)(gong)司(si)500千(qian)伏緊湊型(xing)(xing)線(xian)(xian)(xian)路(lu)帶(dai)電(dian)作業(ye)指導書(shu)。