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. ; This work was funded by the Spanish Ministry of Economy and Competitiveness, the Principality of Asturias Government and the European Union (ERFD), under Research Grants FC- 15-GRUPTNI4-073 and DPI2013-46541-R and the Spanish Ministry of Science and the EU through the project TEC2014-52316-R: 'Estimation and Optimal Control for Energy Conversion with Digital Devices' ECOTRENDD.


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    Title :

    Multiphase resonant converter with output current multiplier for battery charger applications



    Publication date :

    2016-01-01


    Remarks:

    Proceedings of the 42nd Annual Conference of the Industrial Electronics Society (IECON), Florence, 2016, 5639-5644



    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    DDC:    629




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