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工程概況

風灘(tan)水電(dian)(dian)(dian)站(zhan)(zhan)(zhan)工程位(wei)于四川省平昌縣巴河(he)大(da)風灘(tan)處，距平昌縣城11km，與雙灘(tan)水電(dian)(dian)(dian)站(zhan)(zhan)(zhan)構(gou)成巴河(he)流域梯(ti)級電(dian)(dian)(dian)站(zhan)(zhan)(zhan)。電(dian)(dian)(dian)站(zhan)(zhan)(zhan)于70年(nian)代末建成，為漿砌石(shi)溢(yi)流壩(ba)，壩(ba)高17.56m，裝機容(rong)量為2×3.2MW。本次擴建工程在(zai)原(yuan)電(dian)(dian)(dian)站(zhan)(zhan)(zhan)大(da)壩(ba)基礎上加壩(ba)4m，在(zai)原(yuan)廠(chang)房(fang)(fang)左側新(xin)(xin)建廠(chang)房(fang)(fang)，新(xin)(xin)增(zeng)裝機2×9.0MW，擴建后電(dian)(dian)(dian)站(zhan)(zhan)(zhan)總裝機24.4MW。

建設過程

鳳(feng)灘電(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)和(he)(he)技(ji)改(gai)工(gong)(gong)(gong)程(cheng)：鳳(feng)灘水(shui)電(dian)(dian)(dian)站(zhan)(zhan)位于雙灘電(dian)(dian)(dian)站(zhan)(zhan)下游(you)28km的(de)巴河(he)干流上(shang)，電(dian)(dian)(dian)站(zhan)(zhan)為(wei)(wei)70年代末建(jian)成(cheng)的(de)一座小型水(shui)電(dian)(dian)(dian)工(gong)(gong)(gong)程(cheng)，電(dian)(dian)(dian)站(zhan)(zhan)規(gui)劃裝(zhuang)機(ji)(ji)4臺，實(shi)際(ji)裝(zhuang)機(ji)(ji)2臺，裝(zhuang)機(ji)(ji)容量(liang)6.4MW，年發(fa)電(dian)(dian)(dian)量(liang)4200多萬(wan)kwh。隨著上(shang)游(you)電(dian)(dian)(dian)站(zhan)(zhan)的(de)開工(gong)(gong)(gong)建(jian)設，為(wei)(wei)充(chong)分利用上(shang)游(you)電(dian)(dian)(dian)站(zhan)(zhan)水(shui)庫(ku)(ku)庫(ku)(ku)容的(de)調節(jie)作用，采(cai)取對(dui)電(dian)(dian)(dian)站(zhan)(zhan)進行擴(kuo)建(jian)和(he)(he)機(ji)(ji)組改(gai)造。風灘電(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)工(gong)(gong)(gong)程(cheng)為(wei)(wei)在(zai)(zai)原電(dian)(dian)(dian)站(zhan)(zhan)大(da)壩基(ji)(ji)礎(chu)上(shang)加壩4m，電(dian)(dian)(dian)站(zhan)(zhan)正(zheng)常(chang)蓄(xu)水(shui)位288.2m，新增電(dian)(dian)(dian)力裝(zhuang)機(ji)(ji)18MW，年發(fa)電(dian)(dian)(dian)量(liang)8500多萬(wan)kwh，電(dian)(dian)(dian)站(zhan)(zhan)擴(kuo)建(jian)概算總(zong)投資1.637億元，實(shi)際(ji)完成(cheng)各項投資近2億元。風灘電(dian)(dian)(dian)站(zhan)(zhan)技(ji)改(gai)工(gong)(gong)(gong)程(cheng)為(wei)(wei)在(zai)(zai)現有水(shui)工(gong)(gong)(gong)建(jian)筑不(bu)變基(ji)(ji)礎(chu)上(shang)將現2×3.2MW機(ji)(ji)組技(ji)術改(gai)造為(wei)(wei)2×5MW，技(ji)改(gai)概算總(zong)投資為(wei)(wei)2700多萬(wan)元。