Mutual inductance estimation for asymmetrical coupler with multiple transmit coils

Zulkifly, Aziz and Mohd Mawardi, Saari and Mohd Aufa Hadi, Putera Zaini and Nurul A’in, Nadzri and Chin, S. Y. (2022) Mutual inductance estimation for asymmetrical coupler with multiple transmit coils. In: 18th IEEE International Colloquium on Signal Processing and Applications, CSPA 2022 , 12 May 2022 , Selangor. 182 -186.. ISBN 978-166548529-6

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Abstract

The standard method in calculating the mutual inductance is by using Neumann’s formula which involves double integral and solution to elliptic integrals. This work examines the coil reactance approach when doing coil analysis by finite element method. The approach of magnetic vector potential is applied to an asymmetrical coupler with multiple transmitting coils and a miniature pickup coil. Rounded-tip ferrite cored receiver is used to improve coupling. Comparison with the experimental results showed the numerically computed values are within an acceptable range of ~5 %. The observed pairing effect between multiple transmit coils is confirmed with the experimental result which further validates this approach. The method discussed herein can be applied to design a wireless coupler to power multiple light emitters in a cylindrical photoreactor.

Item Type:	Conference or Workshop Item (Lecture)
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	class-E amplifier; Litz wire; modified Helmholtz; wireless power transfer
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculty/Division:	Institute of Postgraduate Studies Faculty of Chemical and Process Engineering Technology Faculty of Electrical and Electronic Engineering Technology
Depositing User:	Mrs Norsaini Abdul Samat
Date Deposited:	05 Jul 2023 07:12
Last Modified:	05 Jul 2023 07:12
URI:	http://umpir.ump.edu.my/id/eprint/37942
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