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Paper Abstract and Keywords
Presentation 2016-04-21 13:25
A Novel Resonator Equivalent Self-Resistance Reduction Method by Using Tightly Coupled Parallel Coils
Cheng Yang, Yang Liu, Koichi Tsunekawa (Chubu Univ)
Abstract (in Japanese) (See Japanese page) 
(in English) The study in this paper proposes a novel resonator design that uses tightly coupled parallel coils to reduce the equivalent self-resistance in coupled magnetic resonance wireless power transfer. Depending on the characteristics of the tightly coupled parallel-connected coils, the proposed resonator can offer significantly reduced resistance with very little self-inductance loss. A double-layer spiral coil structure is used for resonator design and evaluating its characteristics. Measured results show that a resonator consisting of two identical, tightly coupled parallel double-layer spiral coils can match the Q factor of a conventional double-layer spiral coil with the same number of turns, even though its equivalent resistance is approximately 75% less. Moreover, because of the lower equivalent self-resistance and optimum port impedance, the novel structure resonator can transfer higher power than the conventional resonator with the identical efficiency is confirmed by the simulation results.
Keyword (in Japanese) (See Japanese page) 
(in English) Wireless Power Transfer / Coupled Magnetic Resonance / Resonator / Q factor / Transfer Efficiency / High-Power / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 7, AP2016-2, pp. 7-12, April 2016.
Paper # AP2016-2 
Date of Issue 2016-04-14 (AP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee AP  
Conference Date 2016-04-21 - 2016-04-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Chub university 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2016-04-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Novel Resonator Equivalent Self-Resistance Reduction Method by Using Tightly Coupled Parallel Coils 
Sub Title (in English)  
Keyword(1) Wireless Power Transfer  
Keyword(2) Coupled Magnetic Resonance  
Keyword(3) Resonator  
Keyword(4) Q factor  
Keyword(5) Transfer Efficiency  
Keyword(6) High-Power  
1st Author's Name Cheng Yang  
1st Author's Affiliation Chubu University (Chubu Univ)
2nd Author's Name Yang Liu  
2nd Author's Affiliation Chubu University (Chubu Univ)
3rd Author's Name Koichi Tsunekawa  
3rd Author's Affiliation Chubu University (Chubu Univ)
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Date Time 2016-04-21 13:25:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2016-2 
Volume (vol) IEICE-116 
Number (no) no.7 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-AP-2016-04-14 

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