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大渡河水能资源理论蕴藏量3132万kW,占四川省的1/5多,长江流域的1/8强,是我省、也是我国重要的水电建设基地之一。干流双江口至铜街子河段,全长593km,落差1837m,可能开发的水能资源占干流的86.0％。开发任务以发电为主,兼顾漂木、防洪、航运、灌溉等。规划16级开发,总装机容量1806万kW,保证出力741.8万KW,年发电量1008亿kW·h。其中独松和瀑布沟两个调节水库为干流开发的控制性工程:上游独松水库总库容49.6亿m~3,有效库容26.8亿m~3,中游瀑布沟水库总库客50.6亿m~3,有效库容38.8亿m~3,均属季调节,联合运行时可以增加梯级保证出力400多万kW,效益十分效著。
The theoretical reserves of water resources in Dadu River are 31.32 million kW, accounting for more than 1/5 of Sichuan Province and 1/8 of the Yangtze River Basin. It is also one of the important hydropower construction bases in China. The main stream is from Shuangjiangkou to Tongjiezi, with a total length of 593km and a drop of 1837m. The water resources that may be developed account for 86.0% of the total. Development tasks to power generation, taking into account drift flooding, flood control, shipping, irrigation and so on. Planning 16 development, with a total installed capacity of 18.06 million kW, ensuring output of 7418000 KW, the annual generating capacity of 10000000000 kW · h. Among them, the Xisonghe and the Pubugougou two regulating reservoirs are controlled projects for the development of the main stream: the total storage capacity of the Dusong reservoir in the upper reaches is 4.96 billion m 3, the effective storage capacity is 2.68 billion m 3, and that of the Pubugou Reservoir in the middle reaches is 5.06 billion m 3 , Effective storage capacity of 3.88 billion m ~ 3, are seasonally adjusted, joint operation can increase the cascade to ensure that more than 4000000 kW output, the effect is very effective.