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A 13.56 MHz inductive power transfer system operating with corroded coils

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Title: A 13.56 MHz inductive power transfer system operating with corroded coils
Authors: Skountzos, E
Arteaga, JM
Hadjittofis, E
Yates, DC
Sedransk Campbell, KL
Mitcheson, PD
Item Type: Conference Paper
Abstract: This paper describes experiments which investigate the effects resulting from corrosion of air-core coils for high frequency inductive power transfer (HF-IPT). A group of coils were treated by exposing them to corrosive conditions for thirty days. Afterwards, the coils were measured with an impedance analyser and the coil with the lowest Q-factor was selected for further experiments. The treated coil was tested at the transmit side of a HF-IPT system, where the system DC-to-DC efficiency was measured and compared against an equivalent system using an untreated transmit coil. The total losses measured increased when the system was operating with the treated coil across a broad loading range, and thermal images were used to establish the additional losses on the treated coil. Analysis of the treated coil identified widespread damage to the surface of the coil. However, it was specific aggressive corrosion only found locally which was able to significantly reduce the Q-factor of the treated coil by 20%.
Issue Date: 12-Mar-2020
Date of Acceptance: 1-Mar-2020
URI: http://hdl.handle.net/10044/1/88729
DOI: 10.1109/wow45936.2019.9030673
Publisher: IEEE
Start Page: 335
End Page: 340
Journal / Book Title: 2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)
Copyright Statement: © 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Conference Name: 2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)
Publication Status: Published
Start Date: 2019-06-18
Finish Date: 2019-06-21
Conference Place: London, UK
Online Publication Date: 2020-03-12
Appears in Collections:Electrical and Electronic Engineering