Presentation 2014-04-18
A Novel Mirror Symmetry Constructible Class-E Direct-Current-Resonance Bi-directional Wireless Power Transfer System
Tatsuya HOSOTANI,
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Abstract(in English) A novel mirror symmetry constructible class-E direct-current-resonance bi-directional wireless power transfer system is proposed. A direct-current resonance system is an energy conversion system which makes the electromagnetic resonance field from a direct current and uses a resonance field with an electromagnetic interaction. By mirror symmetry construction, unit equipment can be alternatively used as a power transmitter, a power resonator, and a power receiver. A new technique called the periodic state dividing method is proposed in order to analyze energy conversion operation. We model the resonance field into a multi energy circuit, show formula general solutions by a transient-phenomenon theory, and prove that a superposition principle is realized. The flow of the electric power in space is considered using a Poynting vector. The experiment and the analysis waveforms are well in agreement. In the experiment, the optimum ZVS operation attains 70.6% of maximum efficiency, and the maximum power 43.8W.
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Keyword(in English) Direct-current-resonance / Mirror symmetry construction / Electromagnetic resonance field / Zero voltage switching
Paper # WPT2014-20,SCE2014-20,MW2014-20
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Committee MW
Conference Date 2014/4/10(1days)
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Registration To Microwaves (MW)
Language JPN
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Title (in English) A Novel Mirror Symmetry Constructible Class-E Direct-Current-Resonance Bi-directional Wireless Power Transfer System
Sub Title (in English)
Keyword(1) Direct-current-resonance
Keyword(2) Mirror symmetry construction
Keyword(3) Electromagnetic resonance field
Keyword(4) Zero voltage switching
1st Author's Name Tatsuya HOSOTANI
1st Author's Affiliation Murata Manufacturing Co., Ltd.()
Date 2014-04-18
Paper # WPT2014-20,SCE2014-20,MW2014-20
Volume (vol) vol.114
Number (no) 11
Page pp.pp.-
#Pages 6
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