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考虑暂态稳定性的多目标最优潮流

, PP. 137-144

Keywords: 电力系统,最优潮流,暂态稳定,多目标优化,

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Abstract:

对暂态稳定约束的最优潮流模型进行改进,提出统一协调安全性、稳定性和经济性的多目标最优潮流新方法。该方法引入带精英策略的快速非支配排序遗传算法(non-dominatedsortinggeneticalgorithm-II,NSGA-II),优化得到一系列满足Pareto最优的非劣解集,供决策者根据实际需求从中选择;为提升算法效率,引入搜索空间缩小策略,并对NSGA-II进行主从并行改造;为更加科学客观地进行无偏最优解选择,引入基于模糊隶属度和方差赋权的决策方法。最后,结合新英格兰10机39节点系统测试结果,证明了所提方法有效、可行。

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