Dynamic modeling and control structure design of an experimental fuel processor
Resource
International Journal of Hydrogen Energy 31 (3): 413-426
Journal
International Journal of Hydrogen Energy
Journal Volume
31
Journal Issue
3
Pages
413-426
Date Issued
2006
Date
2006
Author(s)
Lin, Shi-Tin
Chen, Yih-Hang
Yu, Cheng-Ching
Liu, Yen-Chun
Abstract
In this work, a dynamic model is developed to describe an experimental methane fuel processor which is intended to provide hydrogen for a proton exchange membrane fuel cell (PEMFC) for power generation (2-3 kWe). First-principle reactor models were constructed to describe dynamic behavior for a series of reactions, starting from reforming (SR/ATR), to high- and low-temperature water gas shift reactions (HTS/LTS), and then to preferential oxidation (PROX) reactions. A systematic procedure is proposed to identify dynamic-relevant model parameters, and reasonable behavior description can be obtained. Finally, two plantwide control structures, on-demand structure and on-supply structure are designed and the performance of these two control structures is evaluated for load disturbance rejection. The results indicate that the on-demand control structure gives a rapid transition to different power demands. © 2005 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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Type
journal article
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