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无压引水式水电站是中小型水电站的主要开发方式,这种水电站一般采用无压渠道作为引水建筑物。渠道工程投资在此类电站投资中所占比重甚大,因此经济合理地确定动力渠道参数,是无压引水式电站规划设计的重要任务之一。
Unpressurized diversion hydropower station is the main mode of development for small and medium-sized hydropower stations. Such hydropower stations generally use pressureless channels as diversion structures. Investment in channel engineering accounts for a large proportion of such power station investment. Therefore, it is one of the most important tasks for the planning and design of non-pressure diversion hydropower stations to determine the power channel parameters economically and reasonably.