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Time-variable Mutual Inductance for Enhanced Inductive Power Transmission

  • Enhanced inductive power transmission (IPT) between coaxially arranged circular coils is introduced by time-modulation of the mutual inductance. This modulation is accomplished by coherent switching of the short circuit current induced in a third loop. An analytical circuit model supporting the design for future time-modulated IPT systems is derived. We demonstrate an increase in load rms-voltage by 13% (28% gain in power) compared to an unmodulated transfer on an experimental system operating at fundamental frequencies ranging from 40kHz to 500kHz.

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Metadaten
Author:Norbert SeligerORCiD, Johannes Honsa
ISBN:tbd
Parent Title (English):Proceedings International Symposium on Fundamentals of Electrical Engineering 2023 (ISFEE 2023)
Publisher:IEEE
Place of publication:Bucharest, Romania
Document Type:Conference Proceeding
Language:English
Publication Year:2023
Tag:Inductive Power Transmission; Mutual Inductance; Time-variable Inductance
Page Number:5
Peer reviewed:Ja
faculties / departments:Fakultät für Ingenieurwissenschaften
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 60 Technik / 600 Technik, Technologie