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定义了面对负荷水平的价格持续曲线和面对考察期内所有负荷的平均价格持续曲线。依照该定义,给出了考虑发电机组强迫停运和机组报价随机性的价格持续曲线的计算方法。该方法通过用等效机组替代发电机组的容量块,从而便于采用电力系统随机生产模拟的方法计算边际电价的概率和价格持续曲线。该方法具有计算速度快且概念清晰等优点。将该算法应用于一个PJM电力市场的计算算例,计算结果说明了文中方法的优越性。
Define the price continuation curve in the face of the load level and the average price continuation curve in the face of all the loads in the study period. According to this definition, the method of calculating the price continuation curve considering the forced shutdown of generating units and the randomness of unit quotation is given. This method replaces the capacity block of generator set with the equivalent unit, which makes it easy to calculate the probability and price continuation curve of the marginal electricity price by adopting the method of stochastic production simulation in power system. The method has the advantages of fast calculation speed and clear concept. The algorithm is applied to a calculation example of PJM electricity market. The calculation results show the superiority of the method in the paper.