Journal of electromagnetic engineering and science

  • 제16권2호
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  • Pages.112-118
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  • 2016
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  • 2671-7255(pISSN)
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  • 2671-7263(eISSN)
한국전자파학회 (The Korean Institute of Electromagnetic Engineering and Science)
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Alternative Expressions for Mutual Inductance and Coupling Coefficient Applied in Wireless Power Transfer

  • Kim, Gunyoung (Department of Electronics and Radio Engineering, Kyung Hee University) ;
  • Lee, Bomson (Department of Electronics and Radio Engineering, Kyung Hee University)
  • 투고 : 2015.11.10
  • 심사 : 2016.03.10
  • 발행 : 2016.04.30
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초록

Alternative analytic expressions for the mutual inductance ($L_m$) and coupling coefficient (k) between circular loops are presented using more familiar and convenient expressions that represent the property of reciprocity clearly. In particular, the coupling coefficients are expressed in terms of structural dimensions normalized to a geometric mean of radii of two loops. Based on the presented expressions, various aspects of the mutual inductances and coupling coefficients, including the regions of positive, zero, and negative value, are examined with respect to their impacts on the efficiency of wireless power transmission.

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참고문헌

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피인용 문헌

  1. An Effective Experimental Optimization Method for Wireless Power Transfer System Design Using Frequency Domain Measurement vol.17, pp.4, 2017, https://doi.org/10.26866/jees.2017.17.4.208
  2. Control of Power Distribution for Multiple Receivers in SIMO Wireless Power Transfer System vol.18, pp.4, 2018, https://doi.org/10.26866/jees.2018.18.4.221
  3. Investigation of Single-Input Multiple-Output Wireless Power Transfer Systems Based on Optimization of Receiver Loads for Maximum Efficiencies vol.18, pp.3, 2018, https://doi.org/10.26866/jees.2018.18.3.145