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工程概況

風灘水(shui)電(dian)站(zhan)工程位于四川省平昌縣巴河大風灘處，距平昌縣城11km，與雙(shuang)灘水(shui)電(dian)站(zhan)構成(cheng)巴河流域梯(ti)級(ji)電(dian)站(zhan)。電(dian)站(zhan)于70年代末(mo)建(jian)成(cheng)，為(wei)漿砌(qi)石溢流壩，壩高17.56m，裝機(ji)容量為(wei)2×3.2MW。本次(ci)擴建(jian)工程在原(yuan)電(dian)站(zhan)大壩基礎上加壩4m，在原(yuan)廠(chang)房(fang)左側新(xin)建(jian)廠(chang)房(fang)，新(xin)增(zeng)裝機(ji)2×9.0MW，擴建(jian)后電(dian)站(zhan)總裝機(ji)24.4MW。

建設過程

鳳(feng)灘電站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建和技改工(gong)(gong)程(cheng)：鳳(feng)灘水(shui)(shui)電站(zhan)(zhan)(zhan)(zhan)(zhan)位(wei)于(yu)雙(shuang)灘電站(zhan)(zhan)(zhan)(zhan)(zhan)下游28km的(de)巴河(he)干流(liu)上，電站(zhan)(zhan)(zhan)(zhan)(zhan)為70年(nian)代(dai)末(mo)建成的(de)一座小型水(shui)(shui)電工(gong)(gong)程(cheng)，電站(zhan)(zhan)(zhan)(zhan)(zhan)規劃裝機4臺，實際(ji)裝機2臺，裝機容量6.4MW，年(nian)發電量4200多萬kwh。隨著上游電站(zhan)(zhan)(zhan)(zhan)(zhan)的(de)開工(gong)(gong)建設，為充分利用上游電站(zhan)(zhan)(zhan)(zhan)(zhan)水(shui)(shui)庫(ku)庫(ku)容的(de)調節作用，采取對電站(zhan)(zhan)(zhan)(zhan)(zhan)進行擴(kuo)建和機組改造。風灘電站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建工(gong)(gong)程(cheng)為在原(yuan)電站(zhan)(zhan)(zhan)(zhan)(zhan)大壩(ba)基礎上加(jia)壩(ba)4m，電站(zhan)(zhan)(zhan)(zhan)(zhan)正常(chang)蓄水(shui)(shui)位(wei)288.2m，新增電力裝機18MW，年(nian)發電量8500多萬kwh，電站(zhan)(zhan)(zhan)(zhan)(zhan)擴(kuo)建概(gai)算總投(tou)資1.637億元(yuan)(yuan)，實際(ji)完成各項投(tou)資近2億元(yuan)(yuan)。風灘電站(zhan)(zhan)(zhan)(zhan)(zhan)技改工(gong)(gong)程(cheng)為在現有(you)水(shui)(shui)工(gong)(gong)建筑不變基礎上將現2×3.2MW機組技術改造為2×5MW，技改概(gai)算總投(tou)資為2700多萬元(yuan)(yuan)。