Presentation 2014/3/3
Analysis and Performance Improvement of Independent Electric Coupled Resonance WPT System with Impedance Transformer
Cheng YANG, Koichi TSUNEKAWA,
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Abstract(in English) Wireless power transfer (WPT) technology is expected for the next generation power feeding system, which could supply the power to portable devices without any wires. Compare to the magnetic coupled resonance; a WPT system uses electric coupled resonance could provide a higher position of flexibility. In this paper, the concepts of independent electric coupled resonance WPT system is investigated by using equivalent circuit including: power transfer function, critical coupling point, frequency splitting and optimum port impedance. After a pair of matching loops are added into source and receive side, the power transfer efficiency could has a great improvement is confirmed by using simulation and experiment.
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Keyword(in English) Wireless Power Transfer / Electric Coupled Resonance / Equivalent Circuit / Impedance Matching
Paper # A・P2013-190
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Committee AP
Conference Date 2014/3/3(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Analysis and Performance Improvement of Independent Electric Coupled Resonance WPT System with Impedance Transformer
Sub Title (in English)
Keyword(1) Wireless Power Transfer
Keyword(2) Electric Coupled Resonance
Keyword(3) Equivalent Circuit
Keyword(4) Impedance Matching
1st Author's Name Cheng YANG
1st Author's Affiliation College of Engineering, Chubu University()
2nd Author's Name Koichi TSUNEKAWA
2nd Author's Affiliation College of Engineering, Chubu University
Date 2014/3/3
Paper # A・P2013-190
Volume (vol) vol.113
Number (no) 487
Page pp.pp.-
#Pages 6
Date of Issue