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　　4月25日，由葛洲(zhou)壩(ba)集(ji)團機(ji)電(dian)(dian)建(jian)設公(gong)司三(san)峽機(ji)電(dian)(dian)安裝處承擔安裝調(diao)試的三(san)峽地(di)下(xia)電(dian)(dian)站首(shou)臺(tai)機(ji)組尾水(shui)系統成功充水(shui)，拉開了首(shou)臺(tai)機(ji)組充水(shui)調(diao)試的序幕，標志(zhi)著三(san)峽地(di)電(dian)(dian)首(shou)臺(tai)機(ji)組進入了有水(shui)調(diao)試階段(duan)，投產發電(dian)(dian)指(zhi)日可待。

　　充(chong)(chong)水(shui)(shui)是機(ji)(ji)(ji)組(zu)啟動試(shi)(shi)(shi)運行(xing)(xing)的(de)(de)重要一環，是機(ji)(ji)(ji)組(zu)能否(fou)順利進(jin)入(ru)試(shi)(shi)(shi)運行(xing)(xing)的(de)(de)基礎，也是檢驗廠壩、流(liu)(liu)道(dao)和機(ji)(ji)(ji)電設備安裝質(zhi)量的(de)(de)起點。據了(le)解(jie)，機(ji)(ji)(ji)組(zu)充(chong)(chong)水(shui)(shui)即對尾(wei)水(shui)(shui)洞(dong)、尾(wei)水(shui)(shui)管及壓力鋼管、蝸殼等流(liu)(liu)道(dao)進(jin)行(xing)(xing)充(chong)(chong)水(shui)(shui)，其中尾(wei)水(shui)(shui)充(chong)(chong)水(shui)(shui)是機(ji)(ji)(ji)組(zu)試(shi)(shi)(shi)運行(xing)(xing)的(de)(de)首(shou)道(dao)程序。32號(hao)機(ji)(ji)(ji)組(zu)自2010年4月1日定子機(ji)(ji)(ji)座進(jin)入(ru)施工現(xian)場開始(shi)安裝以來，先后完成(cheng)(cheng)了(le)轉子、定子組(zu)裝調(diao)(diao)試(shi)(shi)(shi)，機(ji)(ji)(ji)組(zu)總裝調(diao)(diao)試(shi)(shi)(shi)及相(xiang)關(guan)試(shi)(shi)(shi)驗，并順利完成(cheng)(cheng)機(ji)(ji)(ji)組(zu)各單(dan)元無水(shui)(shui)調(diao)(diao)試(shi)(shi)(shi)工作(zuo)，具備了(le)充(chong)(chong)水(shui)(shui)調(diao)(diao)試(shi)(shi)(shi)條件(jian)。當天11時(shi)38分，隨著安裝單(dan)位試(shi)(shi)(shi)運行(xing)(xing)指揮部指揮長周(zhou)暉一聲(sheng)令下(xia)，32#機(ji)(ji)(ji)組(zu)尾(wei)水(shui)(shui)閘門(men)徐徐提起，湍急的(de)(de)江水(shui)(shui)朝尾(wei)水(shui)(shui)洞(dong)奔涌而入(ru)，5個小時(shi)后，整個尾(wei)水(shui)(shui)系統順利完成(cheng)(cheng)充(chong)(chong)水(shui)(shui)。

　　為了保(bao)證(zheng)充水(shui)調試順利完(wan)(wan)成，葛洲壩集團機(ji)電(dian)建設(she)(she)公司(si)三峽(xia)機(ji)電(dian)安裝處的施工(gong)(gong)人員對充水(shui)準備工(gong)(gong)作做(zuo)了周(zhou)密(mi)嚴謹的部(bu)署。業主、監理、設(she)(she)計、廠家、安全檢測及各施工(gong)(gong)單位組成聯(lian)合檢查組，在充水(shui)前對流(liu)道和相關設(she)(she)備等眾多項目進行聯(lian)合檢測，并制(zhi)訂了完(wan)(wan)善的應急預案。

　　首臺機組(zu)充(chong)水順(shun)利完成，4月26日進(jin)行壓力鋼管充(chong)水、靜水下調速器試(shi)驗與技(ji)術(shu)供水有水調試(shi)等工作，計劃28日進(jin)行首次啟動(dong)及空載(zai)、帶負(fu)荷試(shi)驗。

　　三峽(xia)水(shui)(shui)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)是(shi)(shi)世界(jie)上規模最大(da)(da)(da)的(de)(de)水(shui)(shui)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)，也(ye)是(shi)(shi)中國有(you)史(shi)以來建設(she)最大(da)(da)(da)型(xing)的(de)(de)工程項目(mu)，水(shui)(shui)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)大(da)(da)(da)壩(ba)(ba)高(gao)185米，蓄水(shui)(shui)高(gao)175米，水(shui)(shui)庫(ku)長600余(yu)公(gong)里，安裝32臺(tai)單機(ji)容量(liang)(liang)為70萬(wan)(wan)千瓦的(de)(de)水(shui)(shui)電(dian)(dian)(dian)(dian)(dian)機(ji)組，是(shi)(shi)全(quan)世界(jie)最大(da)(da)(da)的(de)(de)（裝機(ji)容量(liang)(liang)）水(shui)(shui)力(li)(li)發(fa)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)。電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)初期規劃是(shi)(shi)26臺(tai)70萬(wan)(wan)千瓦的(de)(de)機(ji)組，也(ye)就是(shi)(shi)裝機(ji)容量(liang)(liang)為1820萬(wan)(wan)千瓦，年(nian)(nian)發(fa)電(dian)(dian)(dian)(dian)(dian)量(liang)(liang)847億度(du)。后(hou)又在右岸大(da)(da)(da)壩(ba)(ba)“白石尖”山體(ti)內(nei)建設(she)地下(xia)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)（即，三峽(xia)地下(xia)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)），建6臺(tai)70萬(wan)(wan)千瓦的(de)(de)水(shui)(shui)輪發(fa)電(dian)(dian)(dian)(dian)(dian)機(ji)。再加上三峽(xia)電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)自身的(de)(de)兩臺(tai)5萬(wan)(wan)千瓦的(de)(de)電(dian)(dian)(dian)(dian)(dian)源電(dian)(dian)(dian)(dian)(dian)站(zhan)(zhan)。總(zong)裝機(ji)容量(liang)(liang)達到了2250萬(wan)(wan)千瓦，年(nian)(nian)發(fa)電(dian)(dian)(dian)(dian)(dian)量(liang)(liang)約1000億度(du)（5倍于(yu)葛洲壩(ba)(ba)，10倍于(yu)大(da)(da)(da)亞灣核(he)電(dian)(dian)(dian)(dian)(dian)，約占全(quan)國年(nian)(nian)發(fa)電(dian)(dian)(dian)(dian)(dian)總(zong)量(liang)(liang)的(de)(de)3%，水(shui)(shui)力(li)(li)發(fa)電(dian)(dian)(dian)(dian)(dian)的(de)(de)20%）。

　　三峽地下(xia)電(dian)站(zhan)共設(she)計安裝(zhuang)(zhuang)6臺70萬千瓦(wa)全(quan)(quan)國產化機組(zu)，分(fen)別由哈爾濱(bin)電(dian)機廠(chang)、東方電(dian)機廠(chang)及天津ALSTOM三個(ge)廠(chang)家設(she)計、制(zhi)(zhi)造(zao)，機組(zu)結構(gou)各不相同，安裝(zhuang)(zhuang)、調試難(nan)度極(ji)大。葛洲壩(ba)集團機電(dian)建設(she)公司承擔了全(quan)(quan)部六臺機組(zu)及全(quan)(quan)廠(chang)公用系統設(she)備(bei)的安裝(zhuang)(zhuang)與(yu)調試任務，在此安裝(zhuang)(zhuang)與(yu)調試過(guo)(guo)程中(zhong)，安裝(zhuang)(zhuang)單位(wei)以三峽左、右岸已投產發電(dian)機組(zu)最(zui)優(you)技術(shu)標準(zhun)作為機組(zu)安裝(zhuang)(zhuang)調試控制(zhi)(zhi)標準(zhun)，態度精心(xin)、過(guo)(guo)程精細地抓好質量過(guo)(guo)程控制(zhi)(zhi)，最(zui)終(zhong)使首批（32號、31號、30號）機組(zu)轉子(zi)、定子(zi)安裝(zhuang)(zhuang)質量均穩定保持在0.06mm—0.065mm之間，整(zheng)體超越(yue)三峽左、右岸優(you)良水平。

　　截至目(mu)前，三峽地下(xia)電站公(gong)用系統(tong)設備(bei)安裝與調(diao)(diao)試工程正按機組(zu)施工進(jin)度快(kuai)速跟(gen)進(jin)，6臺(tai)70萬千(qian)瓦機組(zu)均按計劃(hua)控制節點(dian)目(mu)標(biao)穩(wen)步推進(jin)：其中，32號(hao)機組(zu)將于4月底啟動(dong)啟動(dong)進(jin)入有水調(diao)(diao)試階段；31號(hao)機組(zu)總裝調(diao)(diao)試接近尾聲；30號(hao)機組(zu)正進(jin)行轉子(zi)吊裝前的準備(bei)工作。

　　預計，三峽地下電站(zhan)首批機組(zu)將于(yu)2011年(nian)5月、6月、7月分別有一臺(tai)70萬千瓦機組(zu)投產發電。