文章來(lai)源:國(guo)家(jia)電網公(gong)司 發(fa)布(bu)時間:2011-07-09
國家發改委日前對(dui)《青(qing)海格爾木至西(xi)藏拉薩±400千(qian)(qian)伏(fu)直流聯網(wang)工(gong)程可行性(xing)研究報告》作出批復,正式同意(yi)建設青(qing)海格爾木—西(xi)藏拉薩±400千(qian)(qian)伏(fu)直流聯網(wang)工(gong)程。
青藏直流聯(lian)網(wang)工(gong)(gong)程與西(xi)(xi)部農網(wang)改造升級工(gong)(gong)程、新疆電網(wang)與西(xi)(xi)北電網(wang)聯(lian)網(wang)工(gong)(gong)程等,已(yi)納入國家計(ji)劃2010年西(xi)(xi)部大(da)開發新開工(gong)(gong)23項重點工(gong)(gong)程。
青藏直流聯網工(gong)程包括新建(jian)(jian)格(ge)爾木、拉薩兩座容(rong)量為60萬(wan)千(qian)(qian)瓦的換流站、兩座接(jie)地極和37.5千(qian)(qian)米(mi)接(jie)地極線路(lu)(lu);新建(jian)(jian)格(ge)爾木—拉薩單回±400千(qian)(qian)伏直流線路(lu)(lu),長1038千(qian)(qian)米(mi);安裝總容(rong)量為39.2萬(wan)千(qian)(qian)乏的無功補(bu)償(chang)(chang)裝置(zhi),裝設1組6萬(wan)千(qian)(qian)乏靜止(zhi)無功補(bu)償(chang)(chang)裝置(zhi);同時配套建(jian)(jian)設相應的低壓無功補(bu)償(chang)(chang)裝置(zhi)、OPGW光纜和二次系(xi)統工(gong)程。工(gong)程靜態投(tou)資61.83億元,動態投(tou)資62.53億元。
青(qing)藏(zang)直流聯網工程建成(cheng)后,將使西藏(zang)電網主(zhu)網結(jie)束獨立運行的(de)現(xian)狀,與西北電網主(zhu)網相連,對于在更大范圍內實現(xian)能源(yuan)資(zi)源(yuan)的(de)優化配置、促進(jin)西藏(zang)自治區經濟(ji)社(she)(she)會跨越(yue)式發展、保障西藏(zang)地區民(min)族(zu)團結(jie)和社(she)(she)會穩定等具(ju)有重(zhong)要意義。