Magnetic Field Calculation for Three-Phase Wireless Power Transfer Systems

被引：0
|
作者：
Lusiewicz, Anna [1 ]
Parspour, Nejila [1 ]
Mader, Sascha [1 ]
机构：
[1] Univ Stuttgart, Inst Elect Energy Convers, Stuttgart, Germany
来源：
2020 IEEE PELS WORKSHOP ON EMERGING TECHNOLOGIES: WIRELESS POWER TRANSFER (WOW) | 2020年
关键词：
electromagnetic modelling; inductive power transmission; magnetostatic; resonant power transfer; tuned circuits; wireless charging;
D O I：
10.1109/wow47795.2020.9291313
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, the magnetic field of a three-phase wireless power transfer (WPT) system is modelled analytically. Based on AMPERE'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.
引用
收藏
页码：93 / 97
页数：5
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