The modeling of a standalone solid-oxide fuel cell auxiliary power unit

N. Lu; Q. Li; X. Sun; M. A. Khaleel

doi:10.1016/j.jpowsour.2006.05.009

The modeling of a standalone solid-oxide fuel cell auxiliary power unit

N. Lu, Q. Li, X. Sun, M. A. Khaleel

Research output: Contribution to journal › Article › peer-review

47 Scopus citations

Abstract

In this research, a Simulink model of a standalone vehicular solid-oxide fuel cell (SOFC) auxiliary power unit (APU) is developed. The SOFC APU model consists of three major components: a controller model; a power electronics system model; and an SOFC plant model, including an SOFC stack module, two heat exchanger modules, and a combustor module. This paper discusses the development of the nonlinear dynamic models for the SOFC stacks, the heat exchangers and the combustors. When coupling with a controller model and a power electronic circuit model, the developed SOFC plant model is able to model the thermal dynamics and the electrochemical dynamics inside the SOFC APU components, as well as the transient responses to the electric loading changes. It has been shown that having such a model for the SOFC APU will help design engineers to adjust design parameters to optimize the performance. The modeling results of the SOFC APU heat-up stage and the output voltage response to a sudden load change are presented in this paper. The fuel flow regulation based on fuel utilization is also briefly discussed.

Original language	English
Pages (from-to)	938-948
Number of pages	11
Journal	Journal of Power Sources
Volume	161
Issue number	2
DOIs	https://doi.org/10.1016/j.jpowsour.2006.05.009
State	Published - Oct 27 2006
Externally published	Yes

Funding

The authors would like to thank their colleagues, Dr. Lawrence A. Chick, Dr. Yulong Xie, and Dr. Brian Koeppel, for providing many helpful discussions and suggestions. The authors would also like to thank Dr. Stewart Moorehead for providing a Simulink controller modeling frame. This work is supported by the Pacific Northwest National Laboratory, operated for the U.S. Department of Energy by Battelle under Contract DE-AC05-76RL01830.

Funders	Funder number
U.S. Department of Energy
Battelle	DE-AC05-76RL01830
Pacific Northwest National Laboratory

Keywords

Distributed generation
Dynamics
Fuel cells
Modeling
Power distribution

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2006.05.009

Cite this

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title = "The modeling of a standalone solid-oxide fuel cell auxiliary power unit",

abstract = "In this research, a Simulink model of a standalone vehicular solid-oxide fuel cell (SOFC) auxiliary power unit (APU) is developed. The SOFC APU model consists of three major components: a controller model; a power electronics system model; and an SOFC plant model, including an SOFC stack module, two heat exchanger modules, and a combustor module. This paper discusses the development of the nonlinear dynamic models for the SOFC stacks, the heat exchangers and the combustors. When coupling with a controller model and a power electronic circuit model, the developed SOFC plant model is able to model the thermal dynamics and the electrochemical dynamics inside the SOFC APU components, as well as the transient responses to the electric loading changes. It has been shown that having such a model for the SOFC APU will help design engineers to adjust design parameters to optimize the performance. The modeling results of the SOFC APU heat-up stage and the output voltage response to a sudden load change are presented in this paper. The fuel flow regulation based on fuel utilization is also briefly discussed.",

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author = "N. Lu and Q. Li and X. Sun and Khaleel, {M. A.}",

year = "2006",

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AU - Sun, X.

AU - Khaleel, M. A.

PY - 2006/10/27

Y1 - 2006/10/27

N2 - In this research, a Simulink model of a standalone vehicular solid-oxide fuel cell (SOFC) auxiliary power unit (APU) is developed. The SOFC APU model consists of three major components: a controller model; a power electronics system model; and an SOFC plant model, including an SOFC stack module, two heat exchanger modules, and a combustor module. This paper discusses the development of the nonlinear dynamic models for the SOFC stacks, the heat exchangers and the combustors. When coupling with a controller model and a power electronic circuit model, the developed SOFC plant model is able to model the thermal dynamics and the electrochemical dynamics inside the SOFC APU components, as well as the transient responses to the electric loading changes. It has been shown that having such a model for the SOFC APU will help design engineers to adjust design parameters to optimize the performance. The modeling results of the SOFC APU heat-up stage and the output voltage response to a sudden load change are presented in this paper. The fuel flow regulation based on fuel utilization is also briefly discussed.

AB - In this research, a Simulink model of a standalone vehicular solid-oxide fuel cell (SOFC) auxiliary power unit (APU) is developed. The SOFC APU model consists of three major components: a controller model; a power electronics system model; and an SOFC plant model, including an SOFC stack module, two heat exchanger modules, and a combustor module. This paper discusses the development of the nonlinear dynamic models for the SOFC stacks, the heat exchangers and the combustors. When coupling with a controller model and a power electronic circuit model, the developed SOFC plant model is able to model the thermal dynamics and the electrochemical dynamics inside the SOFC APU components, as well as the transient responses to the electric loading changes. It has been shown that having such a model for the SOFC APU will help design engineers to adjust design parameters to optimize the performance. The modeling results of the SOFC APU heat-up stage and the output voltage response to a sudden load change are presented in this paper. The fuel flow regulation based on fuel utilization is also briefly discussed.

KW - Distributed generation

KW - Dynamics

KW - Fuel cells

KW - Modeling

KW - Power distribution

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The modeling of a standalone solid-oxide fuel cell auxiliary power unit

Abstract

Funding

Keywords

UN SDGs

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