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一、工程概况瀑布沟水电站位于四川省雅安市汉源县和甘洛县交界处的大渡河干流上,电站装机容量6×600MW,年设计发电量147.90亿k W·h,水库总库容53.37亿m~3,是一座以发电为主,兼有防洪、拦沙等综合利用的一等大(1)型水电工程。坝址控制集水面积为68512km~2,水库正常蓄水位850.0m,死水位790.0m,为年调节水库。枢纽工程由砾石土心墙堆石坝、左岸开敞式溢洪道、左岸泄洪洞、左岸地下式引水发电系统、左岸两条导流隧洞和右岸放空洞等建筑物
I. Project Overview The Pubugou Hydropower Station is located on the main stream of Dadu River at the junction of Hanyuan County and Gaoluo County in Ya’an City, Sichuan Province. The installed capacity of the hydropower station is 6 × 600MW with an annual designed generating capacity of 14.790 billion kw · h and a total reservoir capacity of 5.337 billion m ~ 3, is a large-scale (1) hydropower project that takes power generation as its mainstay and combines flood control, sediment blocking and other comprehensive utilization. Dam site control catchment area of 68512km ~ 2, reservoir normal water level 850.0m, dead water level 790.0m, for the year to adjust the reservoir. The hub project consists of gravelly earth core rockfill dam, left bank open spillway, left bank spillway tunnel, left bank underground power generation system, left diversion tunnel and right bank emptying hole