Efficiency optimization for bidirectional IPT system

Nguyen, Bac Xuan, Foo, Gilbert, Ong, Andrew, Vilathgamuwa, D. Mahinda, & Madawala, Udaya K. (2014) Efficiency optimization for bidirectional IPT system. In Proceedings of the 2014 IEEE Transportation Electrification Conference and Expo (ITEC), IEEE, Dearborn, MI, The United States of America , pp. 1-5.

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Abstract

Compared with unidirectional inductive power transfer (UIPT) systems which are suitable for passive loads, bidirectional IPT (BIPT) systems can be used for active loads with power regenerative capability. There are numerous BIPT systems that have been proposed previously to achieve improved performance. However, typical BIPT systems are controlled through modulation of phase-shift of each converter while keeping the relative phase angle between voltages produced by two converters at ± 90 degrees. This paper presents theoretical analysis to show that there is a unique phase shift for each converter at which the inductive coils losses of the system is minimized for a given load. Simulated results of a BIPT system, compensated by CLCL resonant networks, are presented to demonstrate the applicability of the proposed concept and the validity of the mathematical model.

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2 citations in Scopus
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ID Code: 75177
Item Type: Conference Paper
Refereed: Yes
Keywords: Efficiency optimization, Bidirectional inductive power transfer (BIPT), CLCL
DOI: 10.1109/ITEC.2014.6861796
ISBN: 9781479922628
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2014 IEEE
Deposited On: 18 Aug 2014 23:47
Last Modified: 19 Aug 2014 22:46

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