A 600W 6.78MHz wireless charger for an electric scooter
File(s)4_e-scooter.pdf (2.78 MB)
Accepted version
Author(s)
Kwan, Christopher
Arteaga Saenz, Juan
Aldhaher, Samer
Yates, David
Mitcheson, Paul
Type
Conference Paper
Abstract
This paper presents a 600 W electric scooter wireless charging solution operating at a frequency of 6.78 MHz. At the transmitter end, a load-independent Class EF push-pull(differential) inverter with GaN transistors was used to drive a 33 cm square-shaped copper pipe coil. A full-wave voltage-triplerClass D rectifier with silicon Schottky diodes was connected to a24 cm-by-26 cm trapezoidal receiver coil (also made of copperpipe) mounted underneath the steel frame of the scooter. In order to reduce the eddy current and magnetic losses in the steel chassis, parts of the electric scooter frame were shielded with copper tape. With the battery recharging in situ at 600 W,the IPT system achieved a DC-to-DC efficiency of 84 %.
Date Issued
2020-12-25
Date Acceptance
2020-02-24
Citation
2020 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW), 2020, pp.278-282
Publisher
IEEE
Start Page
278
End Page
282
Journal / Book Title
2020 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.
Sponsor
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (E
Engineering & Physical Science Research Council (E
Grant Number
EP/R511547/1
73719 (EP/R029504/1)
Ref: R122041-101/86440
Source
IEEE PELS WoW 2020
Publication Status
Published
Start Date
2020-11-15
Finish Date
2020-11-19
Coverage Spatial
Seoul, Korea (Virtual)