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

Prasanth Venugopal, Soumya Bandyopadhyay, Pavol Bauer and Jan Abraham Ferreira
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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

Energies, 2017, vol. 10, issue 6, 1-17

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.

Keywords: air-cored; contactless; coupling; inductive power transfer; magnetics; matrix; modeling; multi-coil (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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