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中文摘要：
由于采用净负荷预测误差模型描述风电和负荷共同预测误差,优化系统旋转备用配置的多场景概率风险分析方法尚难以全面考虑风电的不确定性,如从网络安全和经济性方面必须考虑的弃风因素以及风电功率预测误差存在的非正态分布情况。为此,基于分步建模的策略改进多场景概率风险分析方法中净负荷预测误差模型,使其在计算系统失负荷风险时能够计及弃风和考虑不同类型概率分布的风电功率预测误差,并将弃风惩罚成本引入机组组合优化模型的目标函数中,以实现风电功率的合理消纳和系统旋转备用的优化确定。采用混合整数线性规划方法,对含风电场的IEEE-RTS 26机测试系统进行仿真分析,验证了改进模型的有效性。
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