文章來(lai)源:國家電網公司(si) 發布(bu)時間(jian):2010-06-29
今夏汛期,隨著長江(jiang)來水流量(liang)增大,總裝機容(rong)量(liang)1820萬(wan)千瓦(wa)的三峽水電站(zhan)有望迎來2008年11月26臺機組全面投產后的首(shou)次滿發。
三(san)(san)(san)峽(xia)(xia)(xia)水電(dian)(dian)站總裝機容量大,電(dian)(dian)力輸(shu)送(song)通(tong)道(dao)集中(zhong),加(jia)之三(san)(san)(san)峽(xia)(xia)(xia)來水的(de)(de)(de)不(bu)確(que)定(ding)性及負荷水平受宏觀經濟形(xing)勢影(ying)響(xiang),導致三(san)(san)(san)峽(xia)(xia)(xia)近區(qu)電(dian)(dian)網(wang)(wang)潮流(liu)復雜(za)多變,系統(tong)運(yun)(yun)行(xing)方式安(an)排難度(du)(du)大。為保證三(san)(san)(san)峽(xia)(xia)(xia)清(qing)潔水電(dian)(dian)全(quan)(quan)額送(song)出,確(que)保電(dian)(dian)網(wang)(wang)安(an)全(quan)(quan)穩(wen)(wen)定(ding)運(yun)(yun)行(xing),國(guo)家(jia)電(dian)(dian)網(wang)(wang)公司及時研究,制(zhi)訂了周密(mi)的(de)(de)(de)應(ying)(ying)對措施。一是(shi)合(he)(he)理安(an)排迎峰度(du)(du)夏(xia)(xia)運(yun)(yun)行(xing)方式。在(zai)(zai)開展大量電(dian)(dian)網(wang)(wang)穩(wen)(wen)定(ding)專題(ti)分(fen)析計算和(he)驗證的(de)(de)(de)基礎上,統(tong)籌考慮(lv)特高(gao)壓聯絡線(xian)(xian)、華北-華中(zhong)電(dian)(dian)網(wang)(wang)內部重要通(tong)道(dao)輸(shu)電(dian)(dian)能力,優化(hua)三(san)(san)(san)峽(xia)(xia)(xia)近區(qu)電(dian)(dian)網(wang)(wang)潮流(liu)分(fen)布,制(zhi)定(ding)了三(san)(san)(san)峽(xia)(xia)(xia)26臺(tai)機組滿(man)發的(de)(de)(de)優化(hua)運(yun)(yun)行(xing)方案(an)。二(er)是(shi)統(tong)籌制(zhi)定(ding)電(dian)(dian)網(wang)(wang)設(she)(she)備(bei)檢修(xiu)、新設(she)(she)備(bei)啟(qi)動(dong)和(he)技改工作(zuo)計劃。為保證三(san)(san)(san)峽(xia)(xia)(xia)電(dian)(dian)站26臺(tai)機組首次滿(man)發,充分(fen)發揮三(san)(san)(san)峽(xia)(xia)(xia)近區(qu)電(dian)(dian)網(wang)(wang)交直流(liu)通(tong)道(dao)輸(shu)送(song)能力,國(guo)家(jia)電(dian)(dian)網(wang)(wang)公司對系統(tong)設(she)(she)備(bei)檢修(xiu)、新設(she)(she)備(bei)啟(qi)動(dong)和(he)技改工作(zuo)進行(xing)了統(tong)籌優化(hua),在(zai)(zai)度(du)(du)夏(xia)(xia)前完(wan)成了重要設(she)(she)備(bei)檢修(xiu)、新設(she)(she)備(bei)啟(qi)動(dong)和(he)技改工程,確(que)保了滿(man)發期間三(san)(san)(san)峽(xia)(xia)(xia)近區(qu)電(dian)(dian)網(wang)(wang)全(quan)(quan)接線(xian)(xian)、全(quan)(quan)保護運(yun)(yun)行(xing)。三(san)(san)(san)是(shi)針(zhen)對可能存在(zai)(zai)的(de)(de)(de)安(an)全(quan)(quan)隱患,精心準備(bei)相應(ying)(ying)預(yu)案(an),先后組織(zhi)了專項反事(shi)(shi)故(gu)演習、華中(zhong)電(dian)(dian)網(wang)(wang)聯合(he)(he)反事(shi)(shi)故(gu)演習和(he)國(guo)家(jia)電(dian)(dian)網(wang)(wang)迎峰度(du)(du)夏(xia)(xia)聯合(he)(he)反事(shi)(shi)故(gu)演習,從(cong)三(san)(san)(san)個不(bu)同的(de)(de)(de)層面全(quan)(quan)面檢驗事(shi)(shi)故(gu)緊(jin)急(ji)處理預(yu)案(an)和(he)各(ge)單位的(de)(de)(de)協作(zuo)配(pei)合(he)(he)能力。
通過(guo)采取上述措施,保證了(le)三峽(xia)電(dian)(dian)站滿發(fa)期(qi)間(jian)特高(gao)壓互(hu)聯電(dian)(dian)網運行的(de)可靠性,為三峽(xia)清潔(jie)水(shui)電(dian)(dian)向(xiang)華(hua)東、華(hua)中(zhong)和(he)南方電(dian)(dian)網,以(yi)及通過(guo)特高(gao)壓向(xiang)華(hua)北電(dian)(dian)網的(de)順利(li)送出創造了(le)條件,有效促進(jin)了(le)三峽(xia)水(shui)電(dian)(dian)資源的(de)充分利(li)用。
目前(qian),國家電(dian)網公司已為三(san)峽電(dian)站26臺機(ji)組(zu)首次滿發做好充(chong)分準(zhun)備(bei)。