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在大渡河干流水电规划调整的基础上,为进一步合理利用水力资源、减少淹没损失、降低开发难度,研究了水电梯级开发方式,确定了大渡河金川至丹巴河段采用安宁+巴底+丹巴三级开发,深溪沟(以下)至沙坪河段采用枕头坝一级+枕头坝二级+沙坪一级+沙坪二级四级开发的方案,使得原规划的巴底、丹巴、枕头坝、沙坪梯级的经济指标有所降低、投资增加,但使原本认为开发难度极大、实施非常困难的梯级极大增加了可行性;在开发方式研究过程中,秉承了合理开发利用的理念,不单纯追求经济效益,尽量避免或减少对环境的不利影响、减少移民搬迁,以便更为科学合理地利用水力资源。
On the basis of the hydropower planning and adjustment of the Dadu River main stream, in order to further rationalize the utilization of hydraulic resources, reduce the submergence loss and reduce the difficulty of development, the development mode of hydropower cascade was studied, Pakistan three deep development, deep creek ditch (below) to the section of the Shapinghe pillow pillow dam + pillow dam two + Shaping + Shaping two four level development program, making the original planning of Padang, Danba, pillows Dam and Shaping cascade economic indicators have decreased, investment increased, but originally considered difficult to develop, the implementation of very difficult cascade greatly increased the feasibility of the development of the way in the research process, adhering to the concept of rational development and utilization, Not only the pursuit of economic benefits, try to avoid or reduce the adverse impact on the environment, reduce the relocation of immigrants in order to more scientific and rational use of water resources.