After giving a brief overview on the architecture in future vehicles board power systems, the basic requirements for the main converter are summarized. A three-rail buckderived solution with coupled inductors as well as a 6 rail solution are presented. In addition, a pushpull solution with integrated magnetics was considered in a comparative study for a 1-kW application. The comparison is based on detailed calculations and electrical simulations. The most promising solution for applications without insulation seems to be the 6-rail converter, due to simplicity of the single power circuits leading to high efficiency and a advantageous thermal design in conjunction with lowest stress for capacitors. The high effective frequency allows also minimized filter efforts at the input and output.


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    Title :

    Comparative study of topologies for Bi-directional, DC/DC converters in automotive applications


    Additional title:

    Vergleichende Untersuchungen zu den Eigenschaften der bidirektionalen Gleichstromumrichter für die Fahrzeugtechnik


    Contributors:


    Publication date :

    2003


    Size :

    6 Seiten, 16 Bilder, 7 Quellen


    Type of media :

    Conference paper


    Type of material :

    Storage medium


    Language :

    English




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