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电力系统扩展黑启动方案的后效性研究

, PP. 238-246

Keywords: 扩展黑启动,后效性,数据包络分析,网架重构,多目标优化

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Abstract:

大停电后恢复初期阶段的扩展黑启动策略为恢复控制提供了新的思路,针对扩展黑启动方案的后效性研究,将后续网架重构过程离散为次序进行的多个时步,建立了计及后续重构过程中机组启动与负荷恢复交替与协调的多目标网架重构优化模型。结合采用分层序列法、改进细菌觅食算法和最短路径法,从网架重构整体最优的角度求解每一时步的待恢复机组、负荷及相应的恢复路径,进而得到网架重构最优方案;在此基础上,建立了反映重构过程多输入多输出要素的指标集,以超效率数据包络分析模型评估后续网架重构的相对效率,以此效率表征扩展黑启动方案的后效性。基于新英格兰10机39节点系统的扩展黑启动方案算例分析验证了本文方法的有效性与正确性。

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