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电网技术  2015 

考虑网架覆盖率与分散度的网架重构优化

DOI: 10.13335/j.1000-3673.pst.2015.01.041, PP. 271-278

Keywords: 黑启动,网架重构,交叉粒子群算法,网架覆盖率,网架分散度

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Abstract:

大停电后的网架重构过程中需要选择合理的恢复路径,尽快建立系统的骨干网架。提出了网架覆盖率和网架分散度指标,分别用于衡量骨干网架对系统原网络的覆盖程度以及重构过程中出现过长支路的风险,并综合恢复时间和线路充电电容等因素,建立了网架重构优化模型,利用简化模型寻找最优目标节点,采用改进的交叉粒子群算法优化目标节点恢复顺序,进而得到网架重构最优方案,其中考虑了非电源目标节点的同步恢复机制,提高重构效率。最后,以IEEE30节点系统算例验证了所提的网架重构方法的有效性。

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