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A Generic Matrix Method to Model the Magnetics of Multi-Coil Air-Cored Inductive Power Transfer Systems

Author

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  • Prasanth Venugopal

    (Department of Electrical Sustainable Energy, Delft University of Technology (TU Delft), Mekelweg 04, 2628 CD Delft, The Netherlands)

  • Soumya Bandyopadhyay

    (Department of Electrical Sustainable Energy, Delft University of Technology (TU Delft), Mekelweg 04, 2628 CD Delft, The Netherlands)

  • Pavol Bauer

    (Department of Electrical Sustainable Energy, Delft University of Technology (TU Delft), Mekelweg 04, 2628 CD Delft, The Netherlands)

  • Jan Abraham Ferreira

    (Department of Electrical Sustainable Energy, Delft University of Technology (TU Delft), Mekelweg 04, 2628 CD Delft, The Netherlands)

Abstract

This paper deals with a generic methodology to evaluate the magnetic parameters of contactless power transfer systems. Neumann’s integral has been used to create a matrix method that can model the magnetics of single coils (circle, square, rectangle). The principle of superposition has been utilized to extend the theory to multi-coil geometries, such as double circular, double rectangle and double rectangle quadrature. Numerical and experimental validation has been performed to validate the analytical models developed. A rigorous application of the analysis has been carried out to study misalignment and hence the efficacy of various geometries to misalignment tolerance. The comparison of single-coil and multi-coil inductive power transfer systems (MCIPT) considering coupling variation with misalignment, power transferred and maximum efficiency is carried out.

Suggested Citation

  • Prasanth Venugopal & Soumya Bandyopadhyay & Pavol Bauer & Jan Abraham Ferreira, 2017. "A Generic Matrix Method to Model the Magnetics of Multi-Coil Air-Cored Inductive Power Transfer Systems," Energies, MDPI, vol. 10(6), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:6:p:774-:d:100419
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    References listed on IDEAS

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    1. Aditya Shekhar & Venugopal Prasanth & Pavol Bauer & Mark Bolech, 2016. "Economic Viability Study of an On-Road Wireless Charging System with a Generic Driving Range Estimation Method," Energies, MDPI, vol. 9(2), pages 1-20, January.
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    Cited by:

    1. Venugopal, Prasanth & Shekhar, Aditya & Visser, Erwin & Scheele, Natalia & Chandra Mouli, Gautham Ram & Bauer, Pavol & Silvester, Sacha, 2018. "Roadway to self-healing highways with integrated wireless electric vehicle charging and sustainable energy harvesting technologies," Applied Energy, Elsevier, vol. 212(C), pages 1226-1239.
    2. Li, Feng & Li, Yanjie & Zhou, Siqi & Chen, Yifang & Sun, Xuan & Deng, Yutong, 2022. "Wireless power transfer tuning model of electric vehicles with pavement materials as transmission media for energy conservation," Applied Energy, Elsevier, vol. 323(C).

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