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电网技术  2006 

无功优化内点法中非线性方程组求解规律研究

, PP. 59-65

Keywords: 无功优化,非线性原&ndash,对偶内点法,修正方程,电力系统

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Abstract:

在有功调度方式给定的前提下用最少变量组建立无功优化模型,用非线性原–对偶内点法求解该模型。根据求解规律和无功优化的特点,在由K-K-T条件构成的非线性方程组的求解过程中,构建由电力系统状态变量和等式约束对应的乘子组成的线性结构,该结构类似牛顿法极坐标形式的潮流计算格式,间接地将不等式约束转化到等式约束中,对求解问题的规模及实时性有良好的适应能力。算例结果证明了该方法的有效性。

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