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Measurement and calculation of 3-column 15-winding autotransformer

机译:三柱十五绕组自耦变压器的测量与计算

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The 15-winding and 3-column autotransformer supplying an 18-pulse rectifier circuit was developed. Presented methods can be used also for the autotransformers of other topologies supplying different kinds of converters. Presented methods make it possible to exactly calculate main and leakage inductances of the multi-winding autotransformer. The presented analysis of the eigenvalues and eigenvectors of the inductance matrix makes it possible to identify the influence nature of individual modes on the inductance matrix, and to compare the calculation results obtained using the presented methods. Frequency dependence of autotransformer parameters was shown. Also modes of the impedance matrix of the multi-winding autotransformer was investigated, this made it possible to identify the influence nature of individual modes on the inductance matrix. Using presented methods one can exactly calculate main and leakage inductances of the autotransformer. Thanks to this, one can design in optimal way autotransformers for supplying, for example, rectifier circuits, THD coefficients. The results of the measurements and simulations were also shortly presented at the end of the article.
机译:研制出了一种具有18脉冲整流电路的15绕组3列自耦变压器。所提供的方法还可以用于提供不同类型转换器的其他拓扑的自耦变压器。提出的方法使精确计算多绕组自耦变压器的主电感和漏电感成为可能。所提出的对电感矩阵的特征值和特征向量的分析使得可以识别各个模式对电感矩阵的影响性质,并且可以比较使用所提出的方法获得的计算结果。显示了自耦变压器参数的频率依赖性。此外,还研究了多绕组自耦变压器阻抗矩阵的模式,从而有可能确定各个模式对电感矩阵的影响性质。使用提出的方法,可以准确计算自耦变压器的主电感和漏电感。因此,可以以最佳方式设计自耦变压器,以提供例如整流电路,THD系数。测量和模拟的结果也将在文章结尾处简短介绍。

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