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DC micro grid control system based on intelligent power units

 
: Endres, S.; Zeltner, S.; Schmenger, J.

MESAGO PCIM GmbH, Stuttgart:
PCIM Europe 2015. CD-ROM : International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, 19 – 21 May 2015; Proceedings
Berlin: VDE Verlag, 2015
ISBN: 978-3-8007-3924-0
8 pp.
International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management <2015, Nuremberg>
English
Conference Paper
Fraunhofer IISB ()

Abstract
In this paper a compact all-in-one DC Micro Grid Control System is presented. The system is based on a novel modular approach using intelligent power units. The DC Micro Grid Control System comprises a 3.7 kW insulating bidirectional AC/DC converter, two 3.7 kW DC/DC converters for MPPT tracking of two independent PV-strings and a 7.4 kW bidirectional DC/DC converter for connecting a high voltage battery stack. It will be shown that by using intelligent power units with a 2-wire interface for integrated signal and power transfer the system design becomes much easier and an overall compact and lower cost power electronic design can be achieved.

: http://publica.fraunhofer.de/documents/N-379685.html