Electromagnetic field patterns and energy flux of efficiency optimal inductive power transfer systems

Electromagnetic field patterns and energy flux of efficiency optimal inductive power transfer... The design of contactless power supplies with inductive power transfer (IPT) is still a challenge even though such systems have become more and more established for various applications. This article presents an intuitive, educational introduction to IPT system design for practicing engineers who are new to the field. While following the path of the energy through the IPT system, the contactless power transfer is explained with a circuit-oriented approach, extended by an analysis of the field patterns and the energy flux across the air gap. Finite element method simulation results for the Poynting vector are shown to illustrate the power transfer process. Finally, a minimization of the reactive power demand of the IPT coils is performed, from which the general requirements for an efficiency optimal design of the IPT system can be intuitively understood. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Electrical Engineering (Archiv fur Elektrotechnik) Springer Journals

Electromagnetic field patterns and energy flux of efficiency optimal inductive power transfer systems

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2016 by Springer-Verlag Berlin Heidelberg
Subject
Engineering; Electrical Engineering; Power Electronics, Electrical Machines and Networks; Energy Economics
ISSN
0948-7921
eISSN
1432-0487
D.O.I.
10.1007/s00202-016-0461-7
Publisher site
See Article on Publisher Site

Abstract

The design of contactless power supplies with inductive power transfer (IPT) is still a challenge even though such systems have become more and more established for various applications. This article presents an intuitive, educational introduction to IPT system design for practicing engineers who are new to the field. While following the path of the energy through the IPT system, the contactless power transfer is explained with a circuit-oriented approach, extended by an analysis of the field patterns and the energy flux across the air gap. Finite element method simulation results for the Poynting vector are shown to illustrate the power transfer process. Finally, a minimization of the reactive power demand of the IPT coils is performed, from which the general requirements for an efficiency optimal design of the IPT system can be intuitively understood.

Journal

Electrical Engineering (Archiv fur Elektrotechnik)Springer Journals

Published: Oct 28, 2016

References

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