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含风电的电力系统月度机组组合修计划联合优化调度

DOI: 10.13334/j.0258-8013.pcsee.2015.07.005, PP. 1586-1595

Keywords: 风电,相关性,机组组合,检修计划,联合优化

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Abstract:

恰当考虑风电出力的随机性和相关性,进行含风电的电力系统月度机组组合和检修计划联合调度,对于提高风电的接纳能力和系统中期运行的可靠性和经济性都具有重要的意义。根据风速历史数据统计得到风电出力的月度概率分布,构建基于机会约束规划的月度机组组合和检修计划联合调度随机模型,并给出随机模型的确定化转换方法。为实现机组发电调度和检修计划的联合优化,模型中引入了检修费用及检修相关约束,并针对机组组合和检修计划之间的耦合关系,设置相关时段索引变量,建立相互之间的关联矩阵。利用混合整数线性规划法对模型进行求解。通过118节点系统的仿真计算,验证所提模型的合理性和方法的有效性。

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