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电网技术  2009 

基于支路耗散功率转归分量的最优潮流模型与算法

, PP. 56-61

Keywords: 线路安全约束,稳定性,线性化,最优潮流,电力市场

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Abstract:

针对最优潮流模型中线路安全稳定约束表达式的复杂性,运用支路耗散功率的转归分量方法给出了一种以电源出力为变量的近似线性表达式,构建了一种最优潮流模型。对模型中线性度不同的约束,采用逐次线性化和逐段线性化相结合的方法处理。在求解过程中直接考虑线路安全稳定约束,避免了牛顿法被动校验和变更约束带来的模型和求解的低效性。仿真结果表明,文中的模型和算法改进了最优潮流的收敛性和求解速度。

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