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本文导出了一个用梯度投影法求解电力系统中混联水电站水库群年度优化调度问题时的计算梯度投影向量的专用公式。和通常的计算梯度投影向量的公式相比较,所导出的公式具有占用计算机内存少、机时短的优点。
In this paper, we derive a special formula for calculating gradient projection vector when using gradient projection method to solve the annual optimal operation of reservoir group in hydropower station. Compared with the usual formula for calculating gradient projection vector, the derived formula has the advantages of less computer memory and shorter machine time.