Presentation 2018-01-29
[Poster Presentation] Analysis of wireless power transfer system with asymmetrical duty-cycle controlled class-D ZVS inverter
Shohei Mita, Hiroo Sekiya,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) This paper presents a wireless power transfer system with the asymmetrical duty-cycle controlled class-D zero-voltage switching (ZVS) inverter and class-E recti er along with its analytical expressions and design procedure. In the asymmetrical duty-cycle control , the resonant current of the inverter contains harmonic components. In the analysis, the harmonic components of resonant current are considered. Additionally,MOSFET anti-parallel diode effects are included in the analytical expressions for expressing the ZVS operation. As a result, the accurate steady-state waveforms can be obtained from the analytical expressions. This paper also shows the control strategy against load variations, which is one of the applications of the analytical expressions. The validity of the analytical expressions and effectiveness of the control strategy were con firmed from quantitative agreements with experimental waveforms.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Class-D ZVS inverter / class-E rectifier / asymmetrical duty-cycle control / zero-voltage switching / wireless power transfer
Paper # EE2017-50
Date of Issue 2018-01-22 (EE)

Conference Information
Committee EE
Conference Date 2018/1/29(2days)
Place (in Japanese) (See Japanese page)
Place (in English) Satellite Campus Oita
Topics (in Japanese) (See Japanese page)
Topics (in English)
Chair Fujio Kurokawa(Nagasaki Univ.)
Vice Chair Masatoshi Nakahara(Sojo Univ.) / Keiichi Hirose(NTT-F)
Secretary Masatoshi Nakahara(Fukuoka Univ.) / Keiichi Hirose
Assistant kazuhiro Kajiwara(NiAS) / Takashi Matsushita(NTT-F) / Hidenori Maruta(Nagasaki Univ.)

Paper Information
Registration To Technical Committee on Energy Engineering in Electronics and Communications
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) [Poster Presentation] Analysis of wireless power transfer system with asymmetrical duty-cycle controlled class-D ZVS inverter
Sub Title (in English)
Keyword(1) Class-D ZVS inverter
Keyword(2) class-E rectifier
Keyword(3) asymmetrical duty-cycle control
Keyword(4) zero-voltage switching
Keyword(5) wireless power transfer
1st Author's Name Shohei Mita
1st Author's Affiliation Chiba University(Chiba Univ.)
2nd Author's Name Hiroo Sekiya
2nd Author's Affiliation Chiba University(Chiba Univ.)
Date 2018-01-29
Paper # EE2017-50
Volume (vol) vol.117
Number (no) EE-424
Page pp.pp.47-52(EE),
#Pages 6
Date of Issue 2018-01-22 (EE)