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DC/DC-converter for modular coupling of 48 V battery packs to a high voltage DC bus

 
: Eberlin, M.; Khani, M.

MESAGO PCIM GmbH, Stuttgart:
PCIM Europe 2016. Proceedings. CD-ROM : International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, 10 - 12 May 2016
Berlin: VDE-Verlag, 2016
ISBN: 978-3-8007-4186-1
ISBN: 3-8007-4186-5
pp.1733-1740
International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management <2014, Nuremberg>
English
Conference Paper
Fraunhofer ISE ()

Abstract
A DC/DC dual active bridge converter for connecting modular low voltage battery packs to a high voltage DC bus is presented. It enables easy scalability of the power output. The converter topology allows the use of zero voltage switching which enables a reduction of the switching losses. But in some operation points this feature is lost. To maximize the efficiency of the converter a variable frequency modulation scheme was developed. The experimental results show an improvement of the efficiency curve.

: http://publica.fraunhofer.de/documents/N-491384.html