SET Proceedings 2978-4387 Caravel Press 10.65582/set.2005.124 2005.124 A Dynamic Model and Simulation for Describing the Transient Phenomena in a Small PEM Fuel Cell System XiongYingfei LiuGuoping WangXiaochun Lab of Complex Systems, Institute of Automation of Chinese Academy of Sciences, Beijing,China NRC Innovation Center, Vancouver, Vancouver, V6T 1W5, Canada 23092005 4 1 978-7-112-07718-2 563 567 23 September 2005 © 2005 Copyright WSSET 2005

Mathematic model is an efficient tool to understand and analyze fuel cell system, and studies on modeling are important to the development and research of the proton exchange membrane fuel cells(PEMFC) technology. In this paper, we will introduce a dynamic model for describing the transient phenomena in a PEM Fuel Cell System. This model can predict the transient response of cell voltage, reactant flow rate and pressure. SIMULINK is used for the simulation of the model and the transient response of the system to step changes in the load current and the reactant flow rate are presented. The simulation results are analyzed and compared to benchmark results and there is a good agreement between tests and simulations. It shows that this model is useful for the optimal design and real-time control of PEM fuel cell systems.

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