文章來源:國家電網公(gong)司 發布時間:2010-02-12
福建(jian)(jian)省內第一座(zuo)1000千(qian)伏變(bian)(bian)電站(zhan)站(zhan)址(zhi)選定在福州(zhou)市閩侯縣大湖(hu)鎮(zhen),并命名為大湖(hu)變(bian)(bian)。該變(bian)(bian)電站(zhan)將作為規劃中“十(shi)一五”末至(zhi)“十(shi)二五”初建(jian)(jian)成的1000千(qian)伏浙江~福州(zhou)特高壓輸電線(xian)路(lu)落址(zhi)福建(jian)(jian)省境內的第一座(zuo)百萬伏等級特高壓變(bian)(bian)電站(zhan)。
由(you)(you)于百萬(wan)伏(fu)級(ji)特高壓(ya)變(bian)電站(zhan)(zhan)的(de)落點位置(zhi)將(jiang)會(hui)對(dui)福(fu)(fu)建省(sheng)的(de)電網(wang)結構和電網(wang)接線產生(sheng)重大(da)(da)影響,因(yin)此,要選定省(sheng)內第一座1000千(qian)伏(fu)變(bian)電站(zhan)(zhan)并不(bu)是一件(jian)(jian)容易的(de)事。據了(le)解,此前(qian),相關電力設(she)(she)計及(ji)建設(she)(she)單位曾對(dui)福(fu)(fu)州北(bei)(bei)、福(fu)(fu)州南、南平三(san)明三(san)個地(di)域符合(he)條(tiao)件(jian)(jian)的(de)18個站(zhan)(zhan)址(zhi)(zhi)進(jin)行了(le)現場勘察,從(cong)500千(qian)伏(fu)電網(wang)銜接、沿海大(da)(da)型電源接入方案,潮流分布情(qing)況,投資計劃等(deng)因(yin)素的(de)分析后,最后選定了(le)大(da)(da)湖站(zhan)(zhan)等(deng)6個站(zhan)(zhan)址(zhi)(zhi)成為擬選站(zhan)(zhan),這些(xie)站(zhan)(zhan)址(zhi)(zhi)的(de)系統(tong)(tong)、進(jin)出線、用地(di)、地(di)質(zhi)、防洪排(pai)洪方面(mian)都符合(he)建站(zhan)(zhan)要求,而其中由(you)(you)于大(da)(da)湖站(zhan)(zhan)址(zhi)(zhi)靠近福(fu)(fu)州負荷中心,同(tong)時(shi)與(yu)閩(min)西北(bei)(bei)電網(wang)距離適合(he),其中距500千(qian)伏(fu)福(fu)(fu)州西變(bian)電站(zhan)(zhan)(站(zhan)(zhan)址(zhi)(zhi))僅(jin)24千(qian)米,距寧(ning)德核(he)電站(zhan)(zhan)約180千(qian)米,系統(tong)(tong)條(tiao)件(jian)(jian)最優,因(yin)而成為首選站(zhan)(zhan)。
為適應海西電(dian)(dian)(dian)力能(neng)源基地建(jian)設和國(guo)家電(dian)(dian)(dian)網(wang)公(gong)司(si)(si)把特(te)高壓(ya)(ya)(ya)電(dian)(dian)(dian)網(wang)建(jian)設延伸到(dao)南方(fang)的規劃(hua)(hua)(hua),福(fu)建(jian)公(gong)司(si)(si)開展了(le)“十二五”省級電(dian)(dian)(dian)網(wang)與國(guo)家電(dian)(dian)(dian)網(wang)特(te)高壓(ya)(ya)(ya)網(wang)架銜接(jie)(jie)的遠景規劃(hua)(hua)(hua),按規劃(hua)(hua)(hua),該公(gong)司(si)(si)計劃(hua)(hua)(hua)在(zai)2015年前建(jian)成(cheng)1000千伏福(fu)州(zhou)交(jiao)流(liu)特(te)高壓(ya)(ya)(ya)變(bian)電(dian)(dian)(dian)站(zhan)(zhan)(即已選定的大湖(hu)站(zhan)(zhan))和泉(quan)(quan)州(zhou)交(jiao)流(liu)特(te)高壓(ya)(ya)(ya)變(bian)電(dian)(dian)(dian)站(zhan)(zhan),同時建(jian)設福(fu)州(zhou)特(te)~泉(quan)(quan)州(zhou)特(te)高壓(ya)(ya)(ya)輸電(dian)(dian)(dian)線路,形成(cheng)國(guo)家電(dian)(dian)(dian)網(wang)公(gong)司(si)(si)規劃(hua)(hua)(hua)中的溫州(zhou)~福(fu)州(zhou)~泉(quan)(quan)州(zhou)雙回特(te)高壓(ya)(ya)(ya)通(tong)道。屆時,從華東電(dian)(dian)(dian)網(wang)送出的1000千伏特(te)高壓(ya)(ya)(ya)來電(dian)(dian)(dian)經(jing)過浙江電(dian)(dian)(dian)網(wang)接(jie)(jie)入大湖(hu)站(zhan)(zhan)和泉(quan)(quan)州(zhou)站(zhan)(zhan),再源源不(bu)斷(duan)地輸送到(dao)全(quan)省各地。
按規劃要求,1000千伏太湖變(bian)電(dian)站將(jiang)在“十(shi)二(er)(er)五”初期建(jian)設(she),“十(shi)二(er)(er)五”末期建(jian)成投產(chan)。該(gai)站一期建(jian)設(she)3000兆伏安變(bian)壓器(qi)1臺,1000千伏出線4回,500千伏出線6回,其(qi)供電(dian)范圍將(jiang)輻射(she)福建(jian)福州、南平、三明等地區。
該變電(dian)站既是省外(wai)特高壓來電(dian)的接(jie)受點(dian),亦可成為福建北部沿(yan)海大型電(dian)源(如寧德、福清核電(dian))的接(jie)入點(dian),在(zai)福建省內電(dian)網(wang)“北電(dian)南送”中和與國家電(dian)網(wang)間的電(dian)力交換中將起到重要作用,提高福建省電(dian)網(wang)安全穩定(ding)水(shui)平。