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工程概況

風(feng)灘水電(dian)(dian)(dian)站(zhan)工程(cheng)位于(yu)四川省平昌(chang)縣巴河大(da)風(feng)灘處，距平昌(chang)縣城11km，與雙灘水電(dian)(dian)(dian)站(zhan)構成巴河流(liu)域梯級電(dian)(dian)(dian)站(zhan)。電(dian)(dian)(dian)站(zhan)于(yu)70年(nian)代末建(jian)成，為(wei)漿砌石溢(yi)流(liu)壩(ba)(ba)，壩(ba)(ba)高17.56m，裝機(ji)容(rong)量為(wei)2×3.2MW。本(ben)次擴建(jian)工程(cheng)在(zai)(zai)原(yuan)電(dian)(dian)(dian)站(zhan)大(da)壩(ba)(ba)基礎上加壩(ba)(ba)4m，在(zai)(zai)原(yuan)廠房(fang)左側新(xin)建(jian)廠房(fang)，新(xin)增(zeng)裝機(ji)2×9.0MW，擴建(jian)后電(dian)(dian)(dian)站(zhan)總(zong)裝機(ji)24.4MW。

建設過程

鳳(feng)灘電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴建(jian)和技(ji)改(gai)工(gong)(gong)程：鳳(feng)灘水電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)位(wei)(wei)于雙灘電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)下游(you)28km的(de)巴河干(gan)流上(shang)(shang)，電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)為70年(nian)(nian)代末建(jian)成的(de)一座小(xiao)型水電(dian)(dian)(dian)(dian)工(gong)(gong)程，電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)規(gui)劃(hua)裝(zhuang)機4臺(tai)，實際裝(zhuang)機2臺(tai)，裝(zhuang)機容量6.4MW，年(nian)(nian)發電(dian)(dian)(dian)(dian)量4200多(duo)萬kwh。隨著上(shang)(shang)游(you)電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)的(de)開工(gong)(gong)建(jian)設，為充分(fen)利用(yong)(yong)上(shang)(shang)游(you)電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)水庫庫容的(de)調(diao)節(jie)作(zuo)用(yong)(yong)，采(cai)取對(dui)電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)進行擴建(jian)和機組改(gai)造。風(feng)灘電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴建(jian)工(gong)(gong)程為在(zai)原(yuan)電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)大壩基礎上(shang)(shang)加壩4m，電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)正(zheng)常蓄水位(wei)(wei)288.2m，新增電(dian)(dian)(dian)(dian)力裝(zhuang)機18MW，年(nian)(nian)發電(dian)(dian)(dian)(dian)量8500多(duo)萬kwh，電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)擴建(jian)概(gai)(gai)算(suan)總投(tou)資(zi)1.637億元(yuan)，實際完成各項投(tou)資(zi)近2億元(yuan)。風(feng)灘電(dian)(dian)(dian)(dian)站(zhan)(zhan)(zhan)技(ji)改(gai)工(gong)(gong)程為在(zai)現有(you)水工(gong)(gong)建(jian)筑不(bu)變基礎上(shang)(shang)將現2×3.2MW機組技(ji)術(shu)改(gai)造為2×5MW，技(ji)改(gai)概(gai)(gai)算(suan)總投(tou)資(zi)為2700多(duo)萬元(yuan)。