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电网技术  2006 

形成节点阻抗矩阵的节点编号顺序优化算法

, PP. 88-91

Keywords: 节点阻抗矩阵,虚拟接地支路,支路追加法,连支度

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Abstract:

在分析传统的支路追加法形成节点阻抗矩阵缺陷的基础上,提出了虚拟接地支路和连支度的概念,采用增加虚拟接地支路的方法使电网节点和支路的追加顺序不受任何条件的约束,并通过节点对连支度的比较确定电网节点和支路追加顺序,从而显著降低了形成节点阻抗矩阵的计算量。最后用实例验证了该方法的有效性。

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