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All Journal International Journal of Electrical and Computer Engineering
Ryusei Okamura
National Institute of Technology
Computer Science & IT Electrical & Electronics Engineering

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Experimental review of an improving system on wireless power transfer via auto tuning of frequency Kazuya Yamaguchi; Ryusei Okamura; Haruto Terada; Kenichi Iida
International Journal of Electrical and Computer Engineering (IJECE) Vol 13, No 2: April 2023
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijece.v13i2.pp1314-1319

Abstract

Wireless power transfer for electric vehicles is focused because these vehicles cannot run long distance without frequently charging. If these vehicles are charged from outside wirelessly, for example an alternating current (AC) power supply is embed under road, the problem is going to be solved. However, efficiency of wireless power transfer depends on various factors, therefore many contrivances should be considered to realize optimal transfer. In this paper, we focused on frequency of inverter, and created auto tuning system of it in response to the distance of inductors. On this system, frequency was modified automatically by a microcontroller and sensor at the same time position of a load changed. Finally, we confirmed that voltage of light emitting diode (LED) was improved by utilizing our system compared with non-tuning frequency.
Co-Authors Haruto Terada Kazuya Yamaguchi Kenichi Iida