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电网技术  2006 

确定复杂环网保护配合关系有向简单回路的新方法

, PP. 94-98

Keywords: 电力系统,图论,环网方向保护,有向简单回路,节点邻接矩阵

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Abstract:

复杂环网保护配合关系中所有有向简单回路的确定是求解最小断点集的关键步骤。文章提出了一种基于图论理论确定复杂环网有向简单回路的新方法,引入层间隔回路判断原则,通过搜索简化后的网络节点邻接矩阵,同时利用保护配合关系的对称性,无需回溯便可快速确定全网所有有向简单回路。该方法形成的网络矩阵规模较小,计算流程简单直观。算例结果证明了该方法的正确性和实用性。

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