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为满足金沙江下游梯级电站中长期精细化调度对水能计算的高精度要求,从基于最优流量分配的全站经济运行总表入手,分析了最优流量分配表在中长期水能计算中的适用性,推求了考虑电站日运行方式的中长期最优流量分配表,并在分析其特性的基础上提出了基于“最小点-调峰上临界点-调峰下临界点-最大点”的中长期精细化出力计算方法。该计算方法不仅实现了金沙江下游梯级电站中长期调度精细化水能计算,也为其他装机容量大、可运行水头范围广的大型电站中长期精细化出力计算提供了参考。
In order to meet the high accuracy requirement of hydropower calculation for the long-term and long-term refinery dispatching of the cascade hydropower stations in the lower reaches of the Jinsha River, starting with the total station economic operation summary table based on the optimal flow distribution, the optimal flow distribution table Based on the analysis of its characteristics, this paper proposes a method based on the “minimum point-peak-peak-peak-peak-point-maximum point ”In the long-term refined output method. The calculation method not only realizes the long-term dispatching refinement hydropower calculation for the cascade hydropower stations in the lower reaches of the Jinsha River, but also provides a reference for the long-term refined output calculation of other large hydropower stations with large installed capacity and operable head.