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为提高梯级水电站整体效益,以松江河梯级水电站为例,建立了耗水量最小和耗水能量最小梯级水电站短期优化调度数学模型,应用变基增量动态规划法,以总耗水量最小和总耗水能量最小为最优化准则计算分析了两个计划日的梯级水电站短期优化调度。结果表明,耗水能量最小数学模型作为梯级水电站短期优化调度的最优化准则更为准确;变基增量动态规划法求解时间短、精度高。
In order to improve the overall benefit of cascade hydropower stations, taking Songjiang cascade hydropower station as an example, a mathematic model of short-term optimal operation for the minimum cascade hydropower station with minimum water consumption and water consumption energy is established. By using dynamic programming with incremental basis and minimum total water consumption and total consumption The minimum water energy is the optimization criterion. The short-term optimal scheduling of cascaded hydropower stations on two planned days is analyzed and calculated. The results show that the minimum mathematical model of water consumption is more accurate as the optimization criterion for short-term optimal operation of cascaded hydropower stations. The solution of dynamic incremental programming based on incremental incremental method is short and has high precision.