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基于改进类电磁机制的水火电力系统短期优化调度

, PP. 188-199

Keywords: 水火电力系统,梯级水电站,短期优化调度,类电磁机制,交叉算子,变异算子

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Abstract:

针对水火电力系统短期优化调度模型的大规模、强非线性特点,采用类电磁机制对其进行求解。通过对搜索策略和寻优机制分析,揭示算法效率高的根本原因在于其融合了常规优化算法的高效搜索优势。经计算分析表明,个体受力计算及局部搜索是影响算法优化效率的主要因素。通过对算法的电荷量计算、受力计算、算法全局与局部搜索策略改进,首次提出适合于大规模非线性优化问题求解的单方向受力类电磁机制,并从理论上证明其全局收敛性。为进一步提高算法优化性能,将改进算法与遗传算法的交叉算子和变异算子融合应用于优化调度模型求解,通过广西水火电力系统进行仿真分析,结果表明该算法在求解大规模强非线性优化问题方面的有效性和显著优越性。

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