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Paper Abstract and Keywords
Presentation 2012-11-08 14:30
[Special Talk] A Novel Design Theory Using Coefficient of coupling for the ZVS Resonant Wireless Power Transfer with High-Frequency Power Electronics
Tatsuya Hosotani (Murata)
Abstract (in Japanese) (See Japanese page) 
(in English) We advocate high-frequency power electronics as a new interdisciplinary technical field. We expect wireless power transfer technology. We present a novel design theory using coupling coefficient for the ZVS resonant wireless power transfer. We study the system design when for two coils a distance, a position, and an angle change. We analyze the system characteristics from the both sides of a time domain and a frequency domain by use of a multi-resonance analysis (MRA), a harmonic resonance analysis (HRA), and a F-parameter resonance analysis (FRA). In the 10MHz-class operation experiment, we use two simple loop coils and GaN FETs. We’ve achieved 74.9W of the transmission power, and 74.0% of the total power efficiency. We prove our proposed switching system is high efficiency system.
Keyword (in Japanese) (See Japanese page) 
(in English) Zero voltage switching / Electromagnetic field resonance / Multi-resonant circuit / MRA / HRA / FRA / Finite element method /  
Reference Info. IEICE Tech. Rep.
Paper #  
Date of Issue  
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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Conference Information
Committee EE WPT  
Conference Date 2012-11-08 - 2012-11-09 
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Paper Information
Registration To WPT 
Conference Code 2012-11-EE-WPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Novel Design Theory Using Coefficient of coupling for the ZVS Resonant Wireless Power Transfer with High-Frequency Power Electronics 
Sub Title (in English)  
Keyword(1) Zero voltage switching  
Keyword(2) Electromagnetic field resonance  
Keyword(3) Multi-resonant circuit  
Keyword(4) MRA  
Keyword(5) HRA  
Keyword(6) FRA  
Keyword(7) Finite element method  
1st Author's Name Tatsuya Hosotani  
1st Author's Affiliation Murata Manufacturing Co., Ltd. (Murata)
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Speaker Author-1 
Date Time 2012-11-08 14:30:00 
Presentation Time 45 minutes 
Registration for WPT 
Paper #  
Volume (vol) vol.112 
Number (no)  
Date of Issue  

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