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Modular and compact 1 MW inverter in one 19ʺ rack for storage and PV

: Hercegfi, Patrick; Schönberger, Stefan

Fulltext urn:nbn:de:0011-n-5028106 (1.2 MByte PDF)
MD5 Fingerprint: 975353a1f8eeda236cc1924299895163
Created on: 18.1.2019

MESAGO PCIM GmbH, Stuttgart:
PCIM Europe 2017, International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. Proceedings : Nuremberg, 16 - 18 May 2017
Berlin: VDE Verlag, 2017
ISBN: 978-3-8007-4424-4
5 pp.
PCIM Europe <2017, Nuremberg>
European Commission EC
H2020; 646463; NETFFICIENT
Energy and economic efficiency for today’s smart communities through integrated multi storage technologies
Conference Paper, Electronic Publication
Fraunhofer ISE ()

During the EU funded project "NETfficient" the low and medium voltage distribution grid of the North Sea island of Borkum will be upgraded by a substantial amount of renewable energy and several storage solutions. For the medium voltage storage a highly compact bidirectional 1 MW battery inverter was built and will be presented here. With an eye on the finely scalable power ratings for storage inverters, a modular configuration with eight 125 kVA units fitting into a single 19" rack was chosen. New technologies like SiC MOSFET modules, high current PCBs, modular iron powder chokes and cold plates resulted in compact plugin units with efficiencies up to 98.9 % despite the small size.