Multiphase resonant converter with output current multiplier for battery charger applications

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URI: http://hdl.handle.net/10902/10904
ISBN: 978-1-5090-3474-1
ISBN: 978-1-5090-3475-8
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Autoría
Brañas Reyes, ChristianAutoridad Unican; Viera Pérez, Juan Carlos; Azcondo Sánchez, Francisco JavierAutoridad Unican; Casanueva Arpide, RosarioAutoridad Unican; Anseán González, David
Fecha
2016
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© 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
Proceedings of the 42nd Annual Conference of the Industrial Electronics Society (IECON), Florence, 2016, 5639-5644
Editorial
IEEE
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Resumen/Abstract
This paper presents the analysis and design of a multiphase resonant converter suitable for high-current low-voltage battery charger applications. In order to reduce the conduction losses, the inverter stage of the converter is obtained from the parallel connection of N class D LCp resonant inverters. In the same way, the output stage is based on a current multiplier, obtained through the parallel connection of two current-doubler rectifiers. The regulation of the charging current is implemented at constant frequency, modifying the phase displacement of the drive signals. The battery charger is designed for a high-performance Absorbent Glass Mat (AGM) battery; at present, widely used in micro-hybrid vehicles.
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