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电网技术  2007 

基于动态多种群粒子群算法的无功优化

, PP. 35-39

Keywords: 多种群策略,粒子群算法,无功优化,电力系统

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Abstract:

提出了一种基于动态多种群策略的改进粒子群算法。该算法将传统粒子群优化算法(particleswarmoptimization,PSO)中的种群划分成多个子群,每个子群相对独立地朝同一目标进化,仅通过一种轮形结构的弱联系进行交流。在进化过程中各种群不断分裂和聚类重组,动态调整种群规模以更好地适应进化。该算法可以较好地避免PSO算法过快收敛于局部最优解,并且有较快的收敛速度。文中将该算法应用于求解电力系统无功优化问题,并与标准PSO算法的性能进行了对比,仿真计算证明该算法是有效、可行的。

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