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Energies 2016, 9(11), 962; doi:10.3390/en9110962

Linearization and Control of Series-Series Compensated Inductive Power Transfer System Based on Extended Describing Function Concept

Department of Electrical, Computer and Software Engineering, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada
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Author to whom correspondence should be addressed.
Academic Editor: Jin Ye
Received: 9 August 2016 / Revised: 1 November 2016 / Accepted: 11 November 2016 / Published: 17 November 2016
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Abstract

The extended describing function (EDF) is a well-known method for modelling resonant converters due to its high accuracy. However, it requires complex mathematical formulation effort. This paper presents a simplified non-linear mathematical model of series-series (SS) compensated inductive power transfer (IPT) system, considering zero-voltage switching in the inverter. This simplified mathematical model permits the user to derive the small-signal model using the EDF method, with less computational effort, while maintaining the accuracy of an actual physical model. The derived model has been verified using a frequency sweep method in PLECS. The small-signal model has been used to design the voltage loop controller for a SS compensated IPT system. The designed controller was implemented on a 3.6 kW experimental setup, to test its robustness. View Full-Text
Keywords: chargers; energy storage; inductive energy storage; power electronics; resonant power conversion; and transportation chargers; energy storage; inductive energy storage; power electronics; resonant power conversion; and transportation
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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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Aditya, K.; Williamson, S. Linearization and Control of Series-Series Compensated Inductive Power Transfer System Based on Extended Describing Function Concept. Energies 2016, 9, 962.

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