Moving impedance matching analysis for three-coil wireless power transfer system in mid-range

There is a bottleneck for traditional two-coil wireless power transfer (2C-WPT) system for short transfer distance and low efficiency. In this paper, a novel three-coil WPT(3C-WPT) system based on moving impedance matching window is proposed to increase transfer distance to mid-range. System efficie...

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Published in2016 IEEE 5th Asia-Pacific Conference on Antennas and Propagation (APCAP) pp. 429 - 430
Main Authors Wei Wang, Xueliang Huang, Shulei Pan, Jinpeng Guo
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.07.2016
Subjects
Impedance
Impedance matching
mid-range
Moving impedance matching
Optimization
Power generation
relay coil
Relays
System performance
three-coil
Wireless power transfer
WPT
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Abstract There is a bottleneck for traditional two-coil wireless power transfer (2C-WPT) system for short transfer distance and low efficiency. In this paper, a novel three-coil WPT(3C-WPT) system based on moving impedance matching window is proposed to increase transfer distance to mid-range. System efficiency is further promoted by optimizing relay coil. Acting as a moving impedance matching window, relay coil improves the flexibility of selecting proper reflection impedance. Once the overall optimization goal is set up, best parameters of the impedance matching can be determined with the given optimization design procedure. Derived conclusions undoubtedly play an instructive role in the design and application of proposed three-coil structure WPT system.
AbstractList There is a bottleneck for traditional two-coil wireless power transfer (2C-WPT) system for short transfer distance and low efficiency. In this paper, a novel three-coil WPT(3C-WPT) system based on moving impedance matching window is proposed to increase transfer distance to mid-range. System efficiency is further promoted by optimizing relay coil. Acting as a moving impedance matching window, relay coil improves the flexibility of selecting proper reflection impedance. Once the overall optimization goal is set up, best parameters of the impedance matching can be determined with the given optimization design procedure. Derived conclusions undoubtedly play an instructive role in the design and application of proposed three-coil structure WPT system.
Author Xueliang Huang
Wei Wang
Shulei Pan
Jinpeng Guo
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  organization: Dept. of Electr. Eng., Southeast Univ., Nanjing, China
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  surname: Shulei Pan
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  organization: Dept. of Electr. Eng., Southeast Univ., Nanjing, China
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  surname: Jinpeng Guo
  fullname: Jinpeng Guo
  organization: Dept. of Electr. Eng., Southeast Univ., Nanjing, China
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Snippet There is a bottleneck for traditional two-coil wireless power transfer (2C-WPT) system for short transfer distance and low efficiency. In this paper, a novel...
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StartPage 429
SubjectTerms Impedance
Impedance matching
mid-range
Moving impedance matching
Optimization
Power generation
relay coil
Relays
System performance
three-coil
Wireless power transfer
WPT
Title Moving impedance matching analysis for three-coil wireless power transfer system in mid-range
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