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电网技术  2009 

星形–开闭三角形接线平衡变压器的阻抗匹配与数学模型

, PP. 36-40

Keywords: 平衡变压器,牵引变压器,节点导纳矩阵

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Abstract:

星形–开闭三角形(YNvd)接线平衡变压器是实现同相供电较理想的变压器接线形式。文章针对其特殊性,提出了以磁势平衡方程、电压传递方程、绕组接线方程为基础的多绕组变压器分析方法。同时借助端口电气量的一般变换方法,给出了YNvd接线变压器两相等值电路、阻抗变换以及相坐标下的节点导纳矩阵,以便分析和计算与电力系统和牵引网端口有关的问题。

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