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Setup and state based energy control of a grid-connected multipurpose hybrid hydrogen system

 
: Steinberger, Michael; Geiling, Johannes; Öchsner, Richard

:

IEEE Power Electronics Society:
INTELEC 2015, Osaka. Proceedings : October 18-October 22, 2015, Swissôtel Nankai Osaka, Nankai, Osaka, Japan
Piscataway, NJ: IEEE, 2015
ISBN: 978-1-4799-6582-3
ISBN: 978-1-4799-6581-6
ISBN: 978-1-4799-6583-0
pp.373-378
International Telecommunications Energy Conference (INTELEC) <37, 2015, Osaka>
Bayerischen Staatsministerium für Wirtschaft und Medien, Energie und Technologie StMWi
20.2-3410-2-6-3; SEEDS
English
Conference Paper
Fraunhofer IISB ()
hybrid energy system; state-based energy control; grid-connected energy system; hydrogen system

Abstract
Grid connected hybrid hydrogen systems consisting of an electrolyzer, a fuel cell and a battery may become major parts of local energy systems in future. System setup is quite challenging due to different electric constraints and the need for a gas management system. This paper presents planning for a technical setup using a DC micro grid and a hydrogen pressure tank and the development of a new control strategy. In order to ensure grid stability a multi-level control strategy with decentralized and centralized control loops is used. A state-based energy control algorithm was developed to provide services to the electric grid and to optimize the system. Simulation results covering a real office and research building proved the energy control system to be feasible and revealed which control parameters are critical such as hydrogen tank pressure.

: http://publica.fraunhofer.de/documents/N-422095.html