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工程概況

風(feng)灘水電(dian)站(zhan)工程位(wei)于(yu)四川省平(ping)昌(chang)(chang)縣(xian)巴(ba)河大風(feng)灘處，距平(ping)昌(chang)(chang)縣(xian)城11km，與(yu)雙灘水電(dian)站(zhan)構成(cheng)巴(ba)河流域梯級電(dian)站(zhan)。電(dian)站(zhan)于(yu)70年代末建成(cheng)，為(wei)(wei)漿(jiang)砌石溢流壩(ba)，壩(ba)高(gao)17.56m，裝機(ji)容(rong)量為(wei)(wei)2×3.2MW。本次擴(kuo)建工程在原電(dian)站(zhan)大壩(ba)基礎上(shang)加壩(ba)4m，在原廠(chang)房(fang)左(zuo)側(ce)新(xin)建廠(chang)房(fang)，新(xin)增裝機(ji)2×9.0MW，擴(kuo)建后電(dian)站(zhan)總裝機(ji)24.4MW。

建設過程

鳳(feng)(feng)灘(tan)(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)(jian)和(he)(he)技(ji)(ji)改(gai)工(gong)程(cheng)：鳳(feng)(feng)灘(tan)(tan)水(shui)(shui)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)位于雙灘(tan)(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)下游(you)28km的(de)巴河干流(liu)上，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)為70年代末建(jian)(jian)成(cheng)的(de)一座小型(xing)水(shui)(shui)電(dian)(dian)(dian)工(gong)程(cheng)，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)規劃裝機(ji)(ji)(ji)4臺，實際裝機(ji)(ji)(ji)2臺，裝機(ji)(ji)(ji)容(rong)(rong)量(liang)(liang)(liang)6.4MW，年發電(dian)(dian)(dian)量(liang)(liang)(liang)4200多萬kwh。隨著上游(you)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)的(de)開工(gong)建(jian)(jian)設，為充分利(li)用(yong)上游(you)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)水(shui)(shui)庫庫容(rong)(rong)的(de)調節(jie)作用(yong)，采取對電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)進行擴(kuo)建(jian)(jian)和(he)(he)機(ji)(ji)(ji)組改(gai)造。風灘(tan)(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)(jian)工(gong)程(cheng)為在(zai)原電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)大壩基(ji)礎(chu)(chu)上加壩4m，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)正常(chang)蓄水(shui)(shui)位288.2m，新(xin)增電(dian)(dian)(dian)力裝機(ji)(ji)(ji)18MW，年發電(dian)(dian)(dian)量(liang)(liang)(liang)8500多萬kwh，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建(jian)(jian)概(gai)算總投(tou)(tou)資(zi)1.637億元(yuan)，實際完成(cheng)各項投(tou)(tou)資(zi)近2億元(yuan)。風灘(tan)(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)(zhan)技(ji)(ji)改(gai)工(gong)程(cheng)為在(zai)現有水(shui)(shui)工(gong)建(jian)(jian)筑不變基(ji)礎(chu)(chu)上將現2×3.2MW機(ji)(ji)(ji)組技(ji)(ji)術(shu)改(gai)造為2×5MW，技(ji)(ji)改(gai)概(gai)算總投(tou)(tou)資(zi)為2700多萬元(yuan)。