Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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An Effective Experimental Optimization Method for Wireless Power Transfer System Design Using Frequency Domain Measurement

  • Jeong, Sangyeong (School of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology) ;
  • Kim, Mina (School of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology) ;
  • Jung, Jee-Hoon (School of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology) ;
  • Kim, Jingook (School of Electrical and Computer Engineering, Ulsan National Institute of Science and Technology)
  • Received : 2017.02.07
  • Accepted : 2017.09.23
  • Published : 2017.10.31
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Abstract

This paper proposes an experimental optimization method for a wireless power transfer (WPT) system. The power transfer characteristics of a WPT system with arbitrary loads and various types of coupling and compensation networks can be extracted by frequency domain measurements. The various performance parameters of the WPT system, such as input real/imaginary/apparent power, power factor, efficiency, output power and voltage gain, can be accurately extracted in a frequency domain by a single passive measurement. Subsequently, the design parameters can be efficiently tuned by separating the overall design steps into two parts. The extracted performance parameters of the WPT system were validated with time-domain experiments.

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References

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