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A Planar Magneto-Inductive Device with Modulated Mutual Inductance for Wireless Power Transmission

  • A Magneto-Inductive Wave (MIW) structure for wireless power transfer (WPT) is proposed with switchable mutual inductance between neighbored coupling coils. Orthogonally placed switchable short circuit loops are added in order to modulate the wave propagation properties of the MIW structure without changing the resonance frequency. We derive an analytical model based on lumped circuit analysis for the MIW waveguide and successfully evaluate the theoretical findings by circuit modeling and field simulation. We demonstrate switchable, i.e. addressable, guided wireless power transfer along an experimental MIW structure at a resonance frequency of 20.5 MHz.

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Metadaten
Author:Norbert SeligerORCiD, Johannes Honsa
DOI:https://doi.org/10.1109/APWC57320.2023.10297488
ISBN:979-8-3503-2060-2
ISSN:2766-287X
Parent Title (English):2023 IEEE-APS Topical Conference on Antennas and Propagation in Wireless Communications (APWC)
Publisher:IEEE
Place of publication:Venice (Italy)
Document Type:Conference Proceeding
Language:English
Publication Year:2023
Tag:Magneto-Inductive Device, Wireless Power Transmission, Mutual Inductance
Page Number:6
First Page:26
Last Page:31
Peer reviewed:Ja
faculties / departments:Fakultät für Ingenieurwissenschaften
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 60 Technik / 600 Technik, Technologie