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Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications

Alkasir, Ali; Abdollahi, Seyed Ehsan; Abdollahi, Seyedreza; Wheeler, Patrick

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Authors

Ali Alkasir

Seyed Ehsan Abdollahi

Seyedreza Abdollahi

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PATRICK WHEELER pat.wheeler@nottingham.ac.uk
Professor of Power Electronic Systems



Abstract

Self- and mutual inductances are major design parameters for wireless power transfer (WPT) systems. To optimize a WPT system and estimate its performance in terms of received power and efficiency, it is essential to obtain a simple, fast, and accurate calculation of these two parameters. The polarized double-D (DD) coils were selected due to their simplicity of structure, high efficiency, and low sensitivity to misalignment conditions. This paper presents analytical calculations of self- and mutual inductance using the Biot-Savart law for DD coils. The results of the analytical calculations of mutual inductance in different distances between coils were investigated, and the results of the calculations were verified using experimental and finite element method (FEM) simulation results. This paper also presents analytical and FEM-based optimization guidelines for the coupling coefficient of the transmitter coil.

Citation

Alkasir, A., Abdollahi, S. E., Abdollahi, S., & Wheeler, P. (2022). Analytical Modeling of Self- and Mutual Inductances of DD Coils in Wireless Power Transfer Applications. Journal of Electromagnetic Engineering and Science, 22(2), 162-170. https://doi.org/10.26866/jees.2022.2.r.73

Journal Article Type Article
Acceptance Date Jul 18, 2021
Online Publication Date Mar 31, 2022
Publication Date Mar 31, 2022
Deposit Date Jul 15, 2022
Publicly Available Date Jul 15, 2022
Journal Journal of Electromagnetic Engineering and Science
Print ISSN 2671-7255
Electronic ISSN 2671-7263
Publisher Korean Institute of Electromagnetic Engineering and Science
Peer Reviewed Peer Reviewed
Volume 22
Issue 2
Pages 162-170
DOI https://doi.org/10.26866/jees.2022.2.r.73
Keywords Electrical and Electronic Engineering; Computer Networks and Communications; Instrumentation; Radiation
Public URL https://nottingham-repository.worktribe.com/output/8955126
Publisher URL http://jees.kr/journal/view.php?viewtype=pubreader&number=3491

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