Analysis of the Coupling Behavior of PEM Fuel Cells and DC-DC Converters

Markus Grötsch, Michael Mangold and Achim Kienle
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Markus Grötsch: Max Planck Institute for Dynamics of Complex Technical Systems, Process Synthesis and Process Dynamics Group, Sandtorstraße 1, 39106 Magdeburg, Germany
Michael Mangold: Max Planck Institute for Dynamics of Complex Technical Systems, Process Synthesis and Process Dynamics Group, Sandtorstraße 1, 39106 Magdeburg, Germany
Achim Kienle: Max Planck Institute for Dynamics of Complex Technical Systems, Process Synthesis and Process Dynamics Group, Sandtorstraße 1, 39106 Magdeburg, Germany

Energies, 2009, vol. 2, issue 1, 1-26

Abstract: The connection between PEM fuel cells and common DC-DC converters is examined. The analysis is model-based and done for boost, buck and buck-boost converters. In a first step, the effect of the converter ripples upon the PEM fuel cell is shown. They introduce oscillations in the fuel cell. Their appearance is explained, discussed and possibilities for their suppression are given. After that, the overall behaviors of the coupled fuel cell-converter systems are analyzed. It is shown, that neither stationary multiplicities nor oscillations can be introduced by the couplings and therefore separate control approaches for both the PEMFC and the DC-DC converters are applicable.

Keywords: PEM fuel cell; DC-DC converters; analysis; ripple; oscillations (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2009
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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