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本文根据水电系统规划阶段的特点,建立了跨流域水电站群补偿调节优化的数学模型,并运用大系统递阶最优及控制中的分解——协调理论,将原来的高维问题分解为一系列独立的低维子问题,用逐步优化方法逐一求解,然后采用常用的梯度协调法协调主、子问题,从而达到总体最优。文中已给出实例,验证了该法的可行性,并得到了较为满意的结果。
According to the characteristics of the hydropower system planning stage, this paper established a mathematical model of hydropower station inter-basin hydropower station compensation adjustment and optimization, and applied the theory of large-scale system-level optimization and decomposition-coordination theory in control to decompose the original high-dimensional problems into a series of The independent low-dimensional sub-problems are solved step by step by step, and then the commonly used gradient coordination method is used to coordinate the main and sub-problems so as to achieve the overall optimality. An example has been given in the paper, which verifies the feasibility of the method and obtains more satisfactory results.