Finite Element Assisted Numerical Comparison of Single and Two Phase Inductively Coupled Power Transfer Systems

DOI: 10.4236/jemaa.2013.57048   PDF   HTML     3,123 Downloads   4,535 Views  


Inductively coupled power transfer systems (ICPT) are becoming ubiquitous in industry. Many such systems are excited with single or multi-phase input current. This leads to increased complexity in comparing such systems when solely using the magnetic frequency analysis. This paper utilizes modern finite element method analysis software to propose a novel software methodology for the numerical comparison of single and two phase ICPT systems as demonstrated on a three dimensional (3D) battery charging system. The sinusoidal magnetic frequency response of a single phase system is compared to the magnetic transient response of a multi-phase current system by use of a novel software methodology proposed in this paper. This consists of a transient response analysis to determine compute the resulting magnetic response over the duration of an input current period on the two phase system. The resulting non-sinusoidal response is then integrated over a whole period to extract the root-mean-square value for comparison with that of a single phase system across a 3D cubic power zone.

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P. Raval, D. Kacprzak and A. Hu, "Finite Element Assisted Numerical Comparison of Single and Two Phase Inductively Coupled Power Transfer Systems," Journal of Electromagnetic Analysis and Applications, Vol. 5 No. 7, 2013, pp. 312-315. doi: 10.4236/jemaa.2013.57048.

Conflicts of Interest

The authors declare no conflicts of interest.


[1] E. Abel and S. Third, “Contactless Power Transfer—An Exercise in Topology,” IEEE Transactions on Magnetics, Vol. 20, No. 5, 1984, pp. 1813-1815. doi:10.1109/TMAG.1984.1063160
[2] G. A. J. Elliott, G. A. Covic, D. Kacprzak and J. T. Boys, “A New Concept: Asymmetrical Pick-Ups for Inductively Coupled Power Transfer Monorail Systems,” IEEE Transactions on Magnetics, Vol. 42, No. 10, 2006, pp. 3389-3391.
[3] D. Kacprzak, “A Novel S-Pickup for High Power Inductive Power Transfer Systems,” IEEE International Magnetics Conference, San Diego, 8-12 May 2006, p. 204.
[4] H. Sakamoto, K. Harada, S. Washimiya, K. Takehara, Y. Matsuo and F. Nakao, “Large Air-Gap Coupler for Inductive Charger for Electric Vehicles,” IEEE Transactions on Magnetics, Vol. 35, No. 5, 1999, pp. 3526-3528. doi:10.1109/20.800578
[5] J. M. Barnard, J. A. Ferreira and J. D. van Wyk, “Sliding Transformer for Linear Contactless Power Delivery,” IEEE Transactions on Magnetics, Vol. 44, No. 6, 1997, pp. 774-779.
[6] D. Kacprzak, M. J. Gustafsson and M. P. Taylor, “A Finite Element Method Approach to the Design Process of an Aluminum Reduction Cell,” IEEE International Magnetics Conference, IEEE Transactions on Magnetics, San Diego, 8-12 May 2006, p. 668.
[7] O. H. Stielau and G. A. Covic, “Design of Loosely Coupled Inductive Power Transfer Systems,” Proceedings of International Conference on Power Systems Technology, Perth, 4-7 December 2000, pp. 85-90.

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