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Correction published on 3 December 2018, see Electronics 2018, 7(12), 385.

Open AccessArticle
Electronics 2018, 7(10), 255; https://doi.org/10.3390/electronics7100255

Simulation Model of a 2-kW IPT Charger with Phase-Shift Control: Validation through the Tuning of the Coupling Factor

1
Institute of Energy Research and Industrial Applications, University of Castilla-La Mancha, Campus Universitario S/N, 13071 Ciudad Real, Spain
2
Institute of Industrial Development, Castilla-La Mancha Science and Technology Park, Paseo de la Innovación 1, 02006 Albacete, Spain
*
Author to whom correspondence should be addressed.
Received: 5 September 2018 / Revised: 28 September 2018 / Accepted: 14 October 2018 / Published: 16 October 2018
(This article belongs to the Special Issue Applications of Power Electronics)
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Abstract

When applied to road vehicle electrification, inductive power transfer (IPT) technology has the potential to boost the transition from combustion engines to electric motors powered by a battery pack. This work focuses on the validation of a PSpice circuit model developed as a replica of a 2-kW IPT prototype with series-series compensation operating at 18.65 kHz. The laboratory prototype has the three stages commonly found in an IPT system: an inverter, controlled by the phase-shift technique, a coil coupling and a load. Simulations were run with the circuit model for three different distances between the two coils of the inductive coupling, all of which are of interest for practical chargers: 125, 150 and 175 mm. The validation approach was based on tuning the magnetic coupling factor for each distance and a set of ten load resistances, until the best match between the simulated and the experimental peak currents supplied by the inverter was found in each case. The coupling factors obtained from the simulation work are in good agreement with their experimental counterparts for the three distances, provided the duty cycle of the inverter output voltage is not too small. The circuit model developed is, therefore, able to reproduce the behavior of the laboratory prototype with sufficient accuracy over a wide range of distances between coils and loading conditions. View Full-Text
Keywords: electric vehicle; wireless power transfer; inductive coupling; coupling factor; phase-shift control; series-series compensation; PSpice electric vehicle; wireless power transfer; inductive coupling; coupling factor; phase-shift control; series-series compensation; PSpice
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Vázquez, J.; Roncero-Sánchez, P.; Parreño Torres, A. Simulation Model of a 2-kW IPT Charger with Phase-Shift Control: Validation through the Tuning of the Coupling Factor. Electronics 2018, 7, 255.

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