三相无线电力传输系统磁场计算

2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW) Pub Date : 2020-11-15 DOI:10.1109/WoW47795.2020.9291313

Anna Lusiewicz, N. Parspour, Sascha Mader

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引用次数: 0

摘要

本文对三相无线电力传输系统的磁场进行了解析建模。基于AMPÈRE直流电定律，计算和总结了各个线圈元件的贡献。该结果是一个普遍适用的总磁场表达式，它取决于系统的几何参数和电参数。进一步分析表明，在主、次侧之间存在一个最佳距离，在该距离上磁通密度最大。这个最佳距离是根据经验得出的，显示出仅与线元素之间的间距线性相关。本文的研究结果拓展了理论基础，有助于进一步优化三相无线电力传输系统。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Magnetic Field Calculation for Three-Phase Wireless Power Transfer Systems

In this paper, the magnetic field of a three-phase wireless power transfer (WPT) system is modelled analytically. Based on AMPÈRE'S law for straight currents, the contributions of individual coil elements are calculated and summed up. The result is a universally applicable expression for the total magnetic field depending on the geometric and electric parameters of the system. Further analysis reveals the existence of an optimal distance between primary and secondary side at which the magnetic flux density is maximized. This optimal distance is derived empirically, showing a linear dependency on only the spacings between the wire elements. The results in this paper expand the theoretical foundations and contribute to further optimization of three-phase wireless power transfer systems.

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2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)

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