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首页> 外文期刊>Electric Power Applications, IET >Modelling of foil-type transformer windings for computation of terminal impedance and internal voltage propagation
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Modelling of foil-type transformer windings for computation of terminal impedance and internal voltage propagation

机译：箔式变压器绕组的建模，用于计算终端阻抗和内部电压传播

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摘要

The goal of this work is to develop an efficient numerical model of foil-type windings. An equivalent lumped-parameter circuit model is presented, which is suitable for the computation of the terminal impedance within a broad frequency range and for internal voltage propagation studies. Owing to the special geometrical winding shape, particular attention has been paid to the calculation of the involved lumped parameters where efficient and accurate formulas for parameter determination are presented. The core influence is investigated for the broad frequency range by taking into account the frequency dependency of core material properties. Simulated results compared to measurements show that the proposed equivalent circuit in combination with the applied formulas for parameter determination can be used with full success for the computation of the terminal impedance and internal voltage distribution studies.
机译：这项工作的目的是开发一种箔式绕组的有效数值模型。提出了等效的集总参数电路模型，该模型适合于在较宽的频率范围内计算终端阻抗并适合内部电压传播研究。由于特殊的几何绕组形状，已经特别注意了所涉及的集总参数的计算，其中提出了用于参数确定的有效且准确的公式。考虑到核心材料特性的频率依赖性，可以在较宽的频率范围内研究核心影响。与测量结果相比，仿真结果表明，所提出的等效电路与所应用的公式进行参数确定可以完全成功地用于终端阻抗的计算和内部电压分布研究。

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