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Meeting Abstract

Experimental validation of a mathematical model of a MCFC

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons86318

Heidebrecht,  Peter
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86312

Gundermann,  Matthias
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86497

Sundmacher,  Kai
Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons86368

Koch,  M.
Process Synthesis and Process Dynamics, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Zitation

Heidebrecht, P., Gundermann, M., Sundmacher, K., Berndt, J., & Koch, M. (2003). Experimental validation of a mathematical model of a MCFC. In ACHEMA 2003: abstracts of lecture groups: fuel cell plants (pp. 47).


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-9FAD-A
Zusammenfassung
Introduction: The Molten Carbonate Fuel Cell (MCFC) is on the edge of being commercially used. In Germany, the MTU Friedrichshafen has developed an MCFC system called HotModule with 250 kW electric power operated at about 650°C. The HotModule offers high overall electric efficiency of about 50% and can be fed by a wide variety of fuels like natural gas, bio gas or coal gas. Aside from the electric power it produces highly valuable heat at about 400°C, which can be used either for steam generation in an industrial application or for a turbine in order to increase the amount of electric power produced. The principle of the MCFC is shown in figure 1. Although the HotModule ran reliably for more than two years in a power station in Germany, control strategies for changes in load demands as well as for start-up phase, emergency cases and in shut-down are still missing. Therefore the companies MTU Friedrichshafen and IPF Magdeburg, the University Bayreuth and the MPI in Magdeburg are currently conducting a research project under the leadership of the Chair for process systems engineering at the University Magdeburg. The main experimental device of this project is a HotModule, which has recently been installed at the University hospital in Magdeburg by MTU Friedrichshafen. The IPF company will use this facility primarily for demonstration and research purposes. First part of this project is the mathematical modelling and experimental validation of the HotModule. Experimental model validation mathematical models for the HotModule are currently being developed at the University and the MPI in Magdeburg. These models contain a number of unknown parameters, which have to be determined experimentally. In a first step, data on temperature, volumetric flow and concentrations are obtained from steady state operation under various conditions. Afterwards, the measurements continue with dynamic experiments. Here parameters like total stack current and the volumetric feed flow are varied in order to observe the dynamic response of the system. The validated model will be used to develop and check control strategies, which in a final step will be applied and validated on the HotModule.