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System Dynamics of a Hardware in the Loop Simulation of a Hybrid Power Plant

[+] Author Affiliations
Florian Kroll, Ivo Sandor, Stephan Staudacher

University of Stuttgart, Stuttgart, Germany

Paper No. GT2009-59859, pp. 325-333; 9 pages
  • ASME Turbo Expo 2009: Power for Land, Sea, and Air
  • Volume 4: Cycle Innovations; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine
  • Orlando, Florida, USA, June 8–12, 2009
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4885-2 | eISBN: 978-0-7918-3849-5
  • Copyright © 2009 by ASME


The system dynamics of a planned system test facility for the hardware in the loop simulation of a hybrid power plant featuring a Turbec T100 and dummy hardware for the SOFC have been investigated. The model of the micro gas turbine including effects like moment of inertia, heat soakage and volume packing has been calibrated against measured cycle data with good accuracy. Special attention has been dedicated to the dynamics of the actuators. Hence their steady state and transient performance has been identified experimentally. In accordance to published data of SOFC the SOFC dummy hardware is designed to be a first order time delay element (PT1). Important aspects of the control strategy as a major part of the operational concept are described. The results show that the chosen control strategy is suitable to control the system test facility within the set boundary conditions with the dynamics of the actuators being a limiting factor.

Copyright © 2009 by ASME



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