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A novel submodule concept for modular multilevel converters

 
: Ruccius, B.; Burani, N.; Galek, M.; Malipaard, D.

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.453-460
International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management <2014, Nuremberg>
English
Conference Paper
Fraunhofer IISB ()

Abstract
Modular Multilevel Converter (MMC) topologies have been successfully employed for voltage source converters in high as well as in medium voltage applications. In the low voltage range, the success of this topology strongly depends on the capability of exploiting the best performing key components commercially available. A brief survey of the state of the art reveals that standard submodule concepts do not allow the employment of the best semiconductors and capacitors in a fully optimized design. In this paper, a novel submodule concept is presented which overcomes this constraint. The dimensioning of the capacitors and the possible modulation strategies are also discussed.

: http://publica.fraunhofer.de/documents/N-491424.html