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• With symmetry of branch impedance matrix in reciprocity network the loop current equation that the loop impedance matrix is symmetrical is presented.

利用电路支路阻抗矩阵对称性，构造回路阻抗矩阵对称的回路电流方程，得出一种证明互易定理的直观方。

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• The aim of the paper is to receive nodal impedance matrix by adding - branch line algorithm and admittance matrix algorithm, to analyze the effect of them, and to provide the models.

使用了支路追加法导纳矩阵逆法形成节点阻抗矩阵，给出两种算法数学模型分析了算法各自的特点和优势。

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• A method to simulate network operations by adding the corresponding Branch-Impedance Matrix to the original network is described in this paper.

文中介绍了采用网络操作前的网络追加相应支路阻抗模拟网络操作的方法

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• According to the feature of network configuration and based on multi-port compensation technique, the approach uses the network branch equation to directly constitute the nodal impedance matrix.

通过分析配电网拓扑图，建立配电网的数学模型——节点线段关联矩阵，并在该数学模型的基础，分析归纳出节点阻抗矩阵各元素的计算方法

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• According to the feature of network configuration and based on multi-port compensation technique, the approach uses the network branch equation to directly constitute the nodal impedance matrix.

通过分析配电网拓扑图，建立配电网的数学模型——节点线段关联矩阵，并在该数学模型的基础，分析归纳出节点阻抗矩阵各元素的计算方法

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