Dynamic characteristics of a molten carbonate fuel cell stack
- 6 January 2003
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- p. 1044-1049
- https://doi.org/10.1109/cdc.1988.194475
Abstract
Dynamic characteristics have been investigated for a molten carbonate fuel cell (MCFC) prototype stack, which is, an electrochemical energy conversion device for electric power generation. The authors identify the MCFC stack and construct a control strategy for MCFC plants in operation. Both an experimental approach and a theoretical approach are described. Basic data are first obtained with respect to indicial responses of an MCFC stack including a cathode gas recycle loop for cooling use. These data are assumed to be sets of dead time and first-order lag, and a matrix transfer function is derived. A physically based model is then developed to describe the dynamics of the MCFC stack. This model consists of a semiempirical MCFC performance model and a thermodynamical gas flow model. The potential of this model for examining control problems for MCFC plant operations is discussed.Keywords
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