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Paper Abstract and Keywords
Presentation 2017-12-09 23:00
Comparison of 85 kHz Self-resonant Open-end Coils with Different Types of Wire for Capacitor-less Wireless Power Transfer System
Yoshiaki Takahashi, Takehiro Imura, Yoichi Hori (The Univ. of Tokyo)
Abstract (in Japanese) (See Japanese page) 
(in English) In wireless power transfer (WPT), it is common to use magnetic resonance coupling by combining a resonance capacitor with a short-end coil.
However, high resonance voltage due to high quality factor may cause a breakdown of the resonance capacitor.
An open-end coil can be self-resonated with stray capacitances and can solve the problem by excluding the resonance capacitor.
Even with high power, the maintenance is not necessary if the open-end coil is employed.
In this paper, $85,mathrm{kHz}$ self-resonant open-end coils are designed for a capacitor-less WPT system.
The experiments show the power transmission characteristics in polyvinyl chloride insulated wire (KIV wire) and solid wire, to demonstrate the most suitable wire type for this coil.
Keyword (in Japanese) (See Japanese page) 
(in English) wireless power transfer / open-end coil / short-end coil / resonance capacitor / stray capacitance / / /  
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 WPT  
Conference Date 2017-12-09 - 2017-12-11 
Place (in Japanese) (See Japanese page) 
Place (in English) National University of Singapore(AWPT2017) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2017 Asian Wireless Power Transfer Workshop (AWPT2017) 
Paper Information
Registration To WPT 
Conference Code 2017-12-WPT 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Comparison of 85 kHz Self-resonant Open-end Coils with Different Types of Wire for Capacitor-less Wireless Power Transfer System 
Sub Title (in English)  
Keyword(1) wireless power transfer  
Keyword(2) open-end coil  
Keyword(3) short-end coil  
Keyword(4) resonance capacitor  
Keyword(5) stray capacitance  
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1st Author's Name Yoshiaki Takahashi  
1st Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
2nd Author's Name Takehiro Imura  
2nd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
3rd Author's Name Yoichi Hori  
3rd Author's Affiliation The University of Tokyo (The Univ. of Tokyo)
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Speaker
Date Time 2017-12-09 23:00:00 
Presentation Time 25 
Registration for WPT 
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