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A Dynamic Model of PEMFC System for the Simulation of Residential Power Generation

[+] Author Affiliations
S. Yu, H. S. Kim, Y. D. Lee, K. Y. Ahn

Korea Institute of Machinery and Materials, Daejon, South Korea

Paper No. FuelCell2008-65198, pp. 339-345; 7 pages
doi:10.1115/FuelCell2008-65198
From:
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology
  • Denver, Colorado, USA, June 16–18, 2008
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 0-7918-4318-1 | eISBN: 0-7918-3822-6
  • Copyright © 2008 by ASME

abstract

A PEMFC System of residential power generator (RPG) has different operating strategy from the PEMFC system of transportation application because of its environmental difference. In this study, a dynamic simulation model of PEMFC system is introduced which has model for a turbo blower, a membrane humidifier, two cooling circuits, and a PEMFC stack. The thermal efficiency of the PEMFC system for the RPG is very high because it supplies the electricity and hot water to the house. This study is designed to study the dynamic response of individual components during the dynamic change of current density. In particular, since the operation of turbo blower is very sensitive at low current density, the parasitic power consumption of blower is significant. Additionally, the system performance and the operating strategy are also presented.

Copyright © 2008 by ASME

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