A PEM Fuel-Cell Model Featuring Oxygen-Excess-Ratio Estimation and Power-Electronics Interaction

In this paper, a polymer-electrolyte-membrane fuel-cell (FC) model that is useful for simulation and control purposes is presented. The model uses both electrical-circuit components and functional blocks to reproduce both static and dynamic FC behaviors. Its main feature is in the reproduction of th...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2010-06, Vol.57 (6), p.1914-1924
Main Authors: Ramos-Paja, Carlos Andres, Giral, Roberto, Martinez-Salamero, Luis, Romano, Jenny, Romero, Alfonso, Spagnuolo, Giovanni
Format: Article
Language:English
Subjects:
Capacitors
Circuits
Devices
Electric power generation
Electrodes
Fuel cells
Fuel consumption
Nonlinear equations
Oxygen excess ratio
polymer-electrolyte-membrane (PEM) fuel-cell (FC) modeling
Polymers
Power system modeling
Power system simulation
power-electronics simulation
Reproduction
Resistors
Semiconductor diodes
Strategy
Switching
Terminals
Voltage
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Summary:In this paper, a polymer-electrolyte-membrane fuel-cell (FC) model that is useful for simulation and control purposes is presented. The model uses both electrical-circuit components and functional blocks to reproduce both static and dynamic FC behaviors. Its main feature is in the reproduction of the oxygen-excess-ratio behavior, but it is also able to interact with any electrical device connected at the FC terminals, e.g., a load or a switching converter. Consequently, the proposed model can be used to develop new control strategies aimed at avoiding the oxygen-starvation effect and/or minimizing the fuel consumption. The model has been customized for a Ballard Nexa 1.2-kW power system, and this has allowed an experimental validation by means of measurements performed on a real FC device.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2009.2026363