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工程概況

風灘水(shui)電站(zhan)(zhan)工(gong)程(cheng)位于(yu)四(si)川省(sheng)平昌縣巴(ba)河(he)大風灘處，距平昌縣城11km，與(yu)雙灘水(shui)電站(zhan)(zhan)構成巴(ba)河(he)流(liu)域梯級電站(zhan)(zhan)。電站(zhan)(zhan)于(yu)70年代(dai)末建(jian)成，為漿砌石溢(yi)流(liu)壩(ba)(ba)，壩(ba)(ba)高17.56m，裝(zhuang)機容量為2×3.2MW。本次擴建(jian)工(gong)程(cheng)在原電站(zhan)(zhan)大壩(ba)(ba)基礎上加壩(ba)(ba)4m，在原廠房(fang)(fang)左(zuo)側新建(jian)廠房(fang)(fang)，新增(zeng)裝(zhuang)機2×9.0MW，擴建(jian)后電站(zhan)(zhan)總裝(zhuang)機24.4MW。

建設過程

鳳(feng)灘(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴(kuo)建(jian)和(he)(he)技(ji)改(gai)(gai)工(gong)(gong)程(cheng)(cheng)(cheng)：鳳(feng)灘(tan)水(shui)(shui)(shui)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)位于雙(shuang)灘(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)下游28km的巴河干流上(shang)，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)為(wei)70年代末建(jian)成的一座小型水(shui)(shui)(shui)電(dian)(dian)(dian)工(gong)(gong)程(cheng)(cheng)(cheng)，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)規劃裝(zhuang)(zhuang)機4臺，實(shi)際裝(zhuang)(zhuang)機2臺，裝(zhuang)(zhuang)機容量6.4MW，年發電(dian)(dian)(dian)量4200多(duo)萬kwh。隨著上(shang)游電(dian)(dian)(dian)站(zhan)(zhan)(zhan)的開工(gong)(gong)建(jian)設(she)，為(wei)充(chong)分利用上(shang)游電(dian)(dian)(dian)站(zhan)(zhan)(zhan)水(shui)(shui)(shui)庫庫容的調節(jie)作(zuo)用，采取對(dui)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)進行擴(kuo)建(jian)和(he)(he)機組改(gai)(gai)造(zao)。風(feng)灘(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴(kuo)建(jian)工(gong)(gong)程(cheng)(cheng)(cheng)為(wei)在原(yuan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)大壩基礎(chu)上(shang)加壩4m，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)正(zheng)常(chang)蓄水(shui)(shui)(shui)位288.2m，新增(zeng)電(dian)(dian)(dian)力(li)裝(zhuang)(zhuang)機18MW，年發電(dian)(dian)(dian)量8500多(duo)萬kwh，電(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴(kuo)建(jian)概(gai)(gai)算總(zong)投(tou)資1.637億(yi)元(yuan)(yuan)，實(shi)際完成各項投(tou)資近(jin)2億(yi)元(yuan)(yuan)。風(feng)灘(tan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)技(ji)改(gai)(gai)工(gong)(gong)程(cheng)(cheng)(cheng)為(wei)在現有水(shui)(shui)(shui)工(gong)(gong)建(jian)筑(zhu)不變基礎(chu)上(shang)將現2×3.2MW機組技(ji)術改(gai)(gai)造(zao)為(wei)2×5MW，技(ji)改(gai)(gai)概(gai)(gai)算總(zong)投(tou)資為(wei)2700多(duo)萬元(yuan)(yuan)。