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工程概況

風(feng)灘水電站(zhan)(zhan)工程(cheng)位于四(si)川省平昌縣(xian)巴(ba)河大(da)風(feng)灘處，距(ju)平昌縣(xian)城11km，與(yu)雙灘水電站(zhan)(zhan)構成(cheng)巴(ba)河流域梯級電站(zhan)(zhan)。電站(zhan)(zhan)于70年代末建(jian)(jian)成(cheng)，為(wei)(wei)漿(jiang)砌石(shi)溢(yi)流壩(ba)(ba)，壩(ba)(ba)高17.56m，裝(zhuang)機容量為(wei)(wei)2×3.2MW。本次(ci)擴(kuo)建(jian)(jian)工程(cheng)在原(yuan)(yuan)電站(zhan)(zhan)大(da)壩(ba)(ba)基礎上(shang)加壩(ba)(ba)4m，在原(yuan)(yuan)廠(chang)房(fang)左側新建(jian)(jian)廠(chang)房(fang)，新增裝(zhuang)機2×9.0MW，擴(kuo)建(jian)(jian)后電站(zhan)(zhan)總裝(zhuang)機24.4MW。

建設過程

鳳(feng)灘(tan)(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)(jian)和技改工程(cheng)：鳳(feng)灘(tan)(tan)(tan)水(shui)電(dian)(dian)(dian)(dian)站(zhan)位(wei)于雙灘(tan)(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)下(xia)游28km的(de)巴河干(gan)流上，電(dian)(dian)(dian)(dian)站(zhan)為(wei)(wei)(wei)70年(nian)代末建(jian)(jian)成的(de)一座小型水(shui)電(dian)(dian)(dian)(dian)工程(cheng)，電(dian)(dian)(dian)(dian)站(zhan)規劃(hua)裝(zhuang)機(ji)4臺，實(shi)際(ji)裝(zhuang)機(ji)2臺，裝(zhuang)機(ji)容量(liang)6.4MW，年(nian)發電(dian)(dian)(dian)(dian)量(liang)4200多(duo)萬kwh。隨著上游電(dian)(dian)(dian)(dian)站(zhan)的(de)開工建(jian)(jian)設，為(wei)(wei)(wei)充(chong)分利用(yong)上游電(dian)(dian)(dian)(dian)站(zhan)水(shui)庫(ku)庫(ku)容的(de)調節(jie)作用(yong)，采(cai)取對(dui)電(dian)(dian)(dian)(dian)站(zhan)進行擴(kuo)建(jian)(jian)和機(ji)組改造。風灘(tan)(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)(jian)工程(cheng)為(wei)(wei)(wei)在原電(dian)(dian)(dian)(dian)站(zhan)大壩(ba)基礎(chu)上加(jia)壩(ba)4m，電(dian)(dian)(dian)(dian)站(zhan)正常蓄水(shui)位(wei)288.2m，新增(zeng)電(dian)(dian)(dian)(dian)力(li)裝(zhuang)機(ji)18MW，年(nian)發電(dian)(dian)(dian)(dian)量(liang)8500多(duo)萬kwh，電(dian)(dian)(dian)(dian)站(zhan)擴(kuo)建(jian)(jian)概算總投(tou)資(zi)1.637億元(yuan)，實(shi)際(ji)完成各項投(tou)資(zi)近2億元(yuan)。風灘(tan)(tan)(tan)電(dian)(dian)(dian)(dian)站(zhan)技改工程(cheng)為(wei)(wei)(wei)在現(xian)(xian)有水(shui)工建(jian)(jian)筑不(bu)變基礎(chu)上將(jiang)現(xian)(xian)2×3.2MW機(ji)組技術改造為(wei)(wei)(wei)2×5MW，技改概算總投(tou)資(zi)為(wei)(wei)(wei)2700多(duo)萬元(yuan)。