Taking the large-scale hydropower system consisting of eleven hydra plants in the middle-upper Yangtze River basin in China for example, the model of maximizing the energy with firm power of the hydropower system is tested.

• 结合长江中上游流域11座大型水电站调度系统，给出了一个大型混合水电站系统保证出力约束条件下发电量最大的实际例证。