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中文摘要：
实际电网通常采用平均分解的方式编制月度电能交易计划，该方式简便，但考虑因素不够全面。为此提出一种综合耗量优化方法。该方法定义单位综合成本，考虑发电企业、电网公司和社会三方利益；提出月度电量波动系数的概念：在利用日相对可用容量负载系数、日计划电量、单位综合成本和月度电量波动系数的基础上，构建所有待编制计划火力发电单元计划月份的总综合耗量目标及其优化模型；采用牛顿法求解优化问题。算例表明，该方法在允许的负荷率偏差和电量约束范围内，可以求得合理的月度电能交易计划值。
英文摘要：
Real electric power network usually uses average decomposition method to make monthly trade schedule of electricity energy. This method is simple, but it takes no entire effecting factors into appropriate account. This paper proposed a synthesis consumption cost optimization method. The method defined unit integrative cost that could consider the benefits of power plants, power grids and society. A concept of fluctuant coefficient of months＇ electricity energy was put forward. The method constructed an optimal model about the synthesis consumption cost of all the thermal power generation units to be planned in scheming month. The model considered factors including daily load factors, daily schemed electricity energy, unit integrative cost and fluctuant coefficient of months＇ electricity energy. The optimization problem was solved by the Newton method. Example shows that the method could get reasonable monthly trade schedule under restrictions of load ratio and electric energy.
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