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计及有功-无功功率协调控制的2层微电网优化调度模型

DOI: 10.13336/j.1003-6520.hve.2015.10.009, PP. 3249-3255

Keywords: 微电网,2层规划,优化调度模型,有功-无功协调控制,日前调度计划,实时调度控制

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Abstract:

为协调微电网内不同种类的微源、缓解风电和光电的波动性给微电网调度所带来的干扰,提出了1种计及有功-无功协调控制的2层微电网优化调度模型。该模型的第1层为日前调度计划模型,求解以发电费用最小为目标的混合整数非线性规划模型,获得系统运行的参考值;第2层为实时调度控制模型,基于线性规划的交叉迭代方法求解,实现有功-无功功率的协调控制,保证微电网功率平衡。通过算例验证所提模型及方法,结果表明实时调度控制能有效降低日前调度计划无法精确考虑的不确定因素的干扰,适用于微源出力和负荷大幅波动的情况,且系统电压不会剧烈变化。

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