Soft Switching in Closely Spaced Multi-Transmitter Wireless Power Transfer Systems

Farajizadeh, Farzad; Vilathgamuwa, Mahinda; Jayathurathnage, Prasad; Ledwich, Gerard; Madawala, Udaya K.

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Soft Switching in Closely Spaced Multi-Transmitter Wireless Power Transfer Systems

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Title:	Soft Switching in Closely Spaced Multi-Transmitter Wireless Power Transfer Systems
Author(s):	Farajizadeh, Farzad ; Vilathgamuwa, Mahinda ; Jayathurathnage, Prasad ; Ledwich, Gerard ; Madawala, Udaya K.
Date:	2019-10
Language:	en
Pages:	5 1991-1995
Department:	Queensland University of Technology Department of Electronics and Nanoengineering University of Auckland
ISBN:	978-1-7281-4879-3 978-1-7281-4878-6
Series:	Proceedings, Proceedings of the Annual Conference of the IEEE Industrial Electronics Society
ISSN:	1553-572X 2577-1647
DOI-number:	10.1109/IECON.2019.8926912
Keywords:	Cross Coupling, Dynamic Wireless Power Transfer Systems, LCC Compensators, Soft Switching, Wireless Power Transfer Systems, Zero Current Switching (ZCS)
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Citation: Farajizadeh , F , Vilathgamuwa , M , Jayathurathnage , P , Ledwich , G & Madawala , U K 2019 , Soft Switching in Closely Spaced Multi-Transmitter Wireless Power Transfer Systems . in Proceedings : IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society . , 8926912 , Proceedings of the Annual Conference of the IEEE Industrial Electronics Society , IEEE , pp. 1991-1995 , Annual Conference of the IEEE Industrial Electronics Society , Lisbon , Portugal , 14/10/2019 . https://doi.org/10.1109/IECON.2019.8926912
Abstract: This paper presents a novel idea to enhance the switching of power electronic converters used for driving closely spaced multi-Transmitter (MT) wireless power transfer (WPT) systems. Cross coupling amongst the transmitters is an undesirable phenomenon for power electronic converters as they induce an spurious voltage in the adjacent coils. Therefore, with the use of coupled inductors (CPIs) a new method to mitigate the effects of cross couplings is proposed. To study the effect of CPIs on soft switching, an MTWPT system consisting of three transmitters and one receiver is used as a case study. The system is mathematically analysed, numerically simulated, and experimentally tested, and the results validate the efficacy of the proposed approach.

Permanent link to this item: http://urn.fi/URN:NBN:fi:aalto-202006013506 Email this Export to RefWorks QR Code Print BibTex Tweet