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  4. Asymmetric Resonant Tank Design for a Bidirectional CLLC Resonant Converter in G2V and V2G Operation
 
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2023
Conference Paper
Title

Asymmetric Resonant Tank Design for a Bidirectional CLLC Resonant Converter in G2V and V2G Operation

Abstract
In this paper, we present a design method for an asymmetric CLLC resonant converter based on the behavior of the converter in time-domain. Instead of using simplified equations, a highly parallelized simulation workflow is used to collect a database with non-dimensionalized result data including the impact of non-linear semiconductor output capacitances. An algorithm searches the database for valid resonant tank configurations for multiple operating points defined in forward and reverse operation, evaluating output power, soft switching, and frequency range. Finally, the capability of the proposed algorithm and the database approach is validated against the specification for a bidirectional charger with 3.6 kW output power, a wide battery voltage range, and verified by measurements on a lab demonstrator.
Author(s)
Ditze, Stefan  orcid-logo
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Ehrlich, Stefan  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Happel, Dominik
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Roßkopf, Andreas  
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Mainwork
IEEE Applied Power Electronics Conference and Exposition, APEC 2023  
Conference
Annual Applied Power Electronics Conference and Exposition 2023  
File(s)
Download (851.54 KB)
Rights
Use according to copyright law
DOI
10.1109/APEC43580.2023.10131351
10.24406/publica-1687
Language
English
Fraunhofer-Institut für Integrierte Systeme und Bauelementetechnologie IISB  
Keyword(s)
  • Bidirectional CLLC converters

  • CLLLC

  • asymmetric parameters design methodology

  • bidirectional battery charger

  • dc/dc converter

  • wide battery voltage range

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