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电网技术  2015 

基于改进微分进化算法的风电直流微网能量管理

DOI: 10.13335/j.1000-3673.pst.2015.09.003, PP. 2392-2397

Keywords: 直流微网,永磁同步发电机,蓄电池健康状态,微分进化算法,能量管理模型

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Abstract:

针对含蓄电池作为储能元件的风电直流微网系统,提出了能够衡量储能系统老化过程的能量管理模型。该模型通过纳入蓄电池健康状态实现了系统的经济运行,通过功率平衡约束保证系统的稳定性。采用基于群体适应度方差的改进型微分进化算法求解所建模型,并应用Matlab软件在联网工况下对所建模型进行仿真。仿真结果表明所提方法能够有效减少由蓄电池老化引起的系统运行成本,并基于微网预测信息实现了潮流最优管控,满足了风电直流微网系统经济、稳定运行的目标。

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