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國網福建電力全額消納水力發電

文章來源:國家電網公司  發布時間:2016-08-11

8月6日(ri),在國網福建(jian)省電(dian)力有限公司調控中心,水(shui)(shui)情調度(du)人員根據氣象(xiang)部(bu)門預(yu)(yu)報的(de)第13號臺風“蘇迪羅”降雨信息(xi),利用福建(jian)電(dian)網大型水(shui)(shui)庫(ku)短期徑流(liu)預(yu)(yu)報調度(du)系(xi)統顯示的(de)水(shui)(shui)庫(ku)短期徑流(liu)預(yu)(yu)報信息(xi),安排(pai)閩江(jiang)流(liu)域的(de)水(shui)(shui)口(kou)電(dian)站等發(fa)電(dian)站加大發(fa)電(dian)力度(du),降低(di)水(shui)(shui)庫(ku)庫(ku)容水(shui)(shui)位,騰出庫(ku)容,迎接(jie)即將到來(lai)的(de)洪水(shui)(shui),確保合理利用水(shui)(shui)資(zi)源,節(jie)水(shui)(shui)增發(fa)電(dian)。

福(fu)建省水(shui)(shui)(shui)電(dian)資源開發程度高,水(shui)(shui)(shui)電(dian)站(zhan)數量眾多(duo),特別是閩江流域水(shui)(shui)(shui)電(dian)站(zhan)群系統,27座水(shui)(shui)(shui)電(dian)站(zhan)形(xing)成(cheng)了以水(shui)(shui)(shui)口電(dian)站(zhan)為(wei)中(zhong)心、互為(wei)關聯的復(fu)雜(za)系統,是我(wo)國目(mu)前水(shui)(shui)(shui)電(dian)調度最為(wei)復(fu)雜(za)的省級電(dian)網(wang)水(shui)(shui)(shui)電(dian)系統之一(yi)。

根據福(fu)(fu)建(jian)水(shui)(shui)(shui)電(dian)資源(yuan)的(de)特點和規律,國網福(fu)(fu)建(jian)電(dian)力(li)開發(fa)了福(fu)(fu)建(jian)電(dian)網大(da)型水(shui)(shui)(shui)庫(ku)(ku)短期徑(jing)流預報調(diao)度系(xi)統,具(ju)備大(da)型水(shui)(shui)(shui)庫(ku)(ku)短期徑(jing)流預報、大(da)型水(shui)(shui)(shui)庫(ku)(ku)洪水(shui)(shui)(shui)調(diao)度、水(shui)(shui)(shui)庫(ku)(ku)洪水(shui)(shui)(shui)退水(shui)(shui)(shui)過程預報、水(shui)(shui)(shui)庫(ku)(ku)動態汛限(xian)水(shui)(shui)(shui)位洪水(shui)(shui)(shui)調(diao)度、天然來水(shui)(shui)(shui)還原計算及豐平枯(ku)評價功(gong)能。該公司利用(yong)該系(xi)統進行水(shui)(shui)(shui)庫(ku)(ku)群的(de)跨(kua)流域優化(hua)調(diao)度,在大(da)到(dao)暴雨到(dao)來之前預先適(shi)當騰庫(ku)(ku),在監(jian)視到(dao)明顯降(jiang)雨之后加(jia)大(da)發(fa)電(dian)出(chu)力(li),在監(jian)測到(dao)洪峰過后進行攔蓄洪尾,最大(da)限(xian)度地(di)優化(hua)利用(yong)水(shui)(shui)(shui)資源(yuan)。

今年(nian),福建電(dian)(dian)(dian)力(li)調(diao)(diao)(diao)度(du)控制(zhi)中心在(zai)調(diao)(diao)(diao)度(du)受強降雨影響形成(cheng)的(de)(de)水(shui)(shui)(shui)(shui)口電(dian)(dian)(dian)站“20150723”雙峰(feng)型洪水(shui)(shui)(shui)(shui)中,主動協調(diao)(diao)(diao)省(sheng)防汛部門,在(zai)不影響防汛安(an)全的(de)(de)前提下,利用(yong)水(shui)(shui)(shui)(shui)庫(ku)短期(qi)徑流預報調(diao)(diao)(diao)度(du)系統(tong),通過采取洪前騰(teng)庫(ku)迎峰(feng)、洪峰(feng)過后攔蓄洪尾(wei)的(de)(de)調(diao)(diao)(diao)度(du)方式,并(bing)采取調(diao)(diao)(diao)停(ting)7臺(tai)(tai)火(huo)電(dian)(dian)(dian)機組、降低3臺(tai)(tai)核電(dian)(dian)(dian)機組出(chu)力(li)、臨時(shi)增加(jia)150萬(wan)千瓦(wa)電(dian)(dian)(dian)力(li)外(wai)送華東(dong)的(de)(de)電(dian)(dian)(dian)力(li)平衡措施(shi),為(wei)水(shui)(shui)(shui)(shui)電(dian)(dian)(dian)盡量多(duo)發(fa)騰(teng)出(chu)了空間,確(que)保了水(shui)(shui)(shui)(shui)口電(dian)(dian)(dian)站水(shui)(shui)(shui)(shui)庫(ku)棄(qi)水(shui)(shui)(shui)(shui)滿發(fa)率達到100%,多(duo)發(fa)電(dian)(dian)(dian)量約(yue)5000萬(wan)千瓦(wa)時(shi),增加(jia)了水(shui)(shui)(shui)(shui)電(dian)(dian)(dian)庫(ku)存電(dian)(dian)(dian)量1.4億千瓦(wa)時(shi),節(jie)水(shui)(shui)(shui)(shui)增發(fa)電(dian)(dian)(dian)效益(yi)顯著。

“通(tong)(tong)過不斷創新,改善水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)調(diao)度(du)(du)方式,優化水(shui)(shui)(shui)(shui)(shui)火(huo)聯合調(diao)度(du)(du),我們用同樣(yang)的水(shui)(shui)(shui)(shui)(shui)資源(yuan)創造了(le)更大的效益,也達(da)到(dao)了(le)節能(neng)減(jian)排的效果。”福(fu)建(jian)電(dian)(dian)(dian)力調(diao)度(du)(du)控制中心(xin)相關負責人表示,1~6月,該中心(xin)加強水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)發(fa)電(dian)(dian)(dian)調(diao)度(du)(du)管理,密切跟蹤水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)來(lai)水(shui)(shui)(shui)(shui)(shui)和電(dian)(dian)(dian)網(wang)負荷(he)變(bian)化情況(kuang),積極采取汛(xun)前、洪(hong)前發(fa)電(dian)(dian)(dian)騰庫(ku)(ku)(ku)及攔蓄洪(hong)尾,合理安(an)排梯(ti)級水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)廠檢修,減(jian)少水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)棄水(shui)(shui)(shui)(shui)(shui);當可能(neng)出現棄水(shui)(shui)(shui)(shui)(shui)時(shi),通(tong)(tong)過調(diao)停火(huo)電(dian)(dian)(dian)機組、降(jiang)低火(huo)電(dian)(dian)(dian)出力、抽(chou)蓄電(dian)(dian)(dian)站調(diao)峰等(deng)措施,優先讓水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)等(deng)清(qing)潔能(neng)源(yuan)多發(fa)電(dian)(dian)(dian),確保了(le)水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)全額消納,棄水(shui)(shui)(shui)(shui)(shui)損(sun)失電(dian)(dian)(dian)量(liang)為零。上半年,福(fu)建(jian)電(dian)(dian)(dian)網(wang)調(diao)度(du)(du)口徑(jing)水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)(ku)節水(shui)(shui)(shui)(shui)(shui)增發(fa)電(dian)(dian)(dian)量(liang)達(da)8.42億千瓦時(shi),水(shui)(shui)(shui)(shui)(shui)電(dian)(dian)(dian)水(shui)(shui)(shui)(shui)(shui)能(neng)利用率提高9.94%。

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