Dynamic Simulation of a Solid Oxide Fuel Cell System for Micro Combined Heat and Power Application

Abstract:

In the past decade, developing solid oxide fuel cell (SOFC) systems for micro combined heat and power applications (micro-CHP, 1-10 kW_e) is one of the hot spots in the world energy field. To meet the requirements for system optimization and control design of SOFC micro-CHP systems, in this paper a dynamic model of an SOFC micro-CHP system is developed, based on which dynamic simulations are also carried out. Simulation results show that the present model can reflect the behavior of the SOFC micro-CHP system quite well; the influence of one component on another is an important factor to determine system dynamic behavior; as the system comprises many components and concerns different physical and chemical processes, it has dynamic processes with several kinds of time scales; for the air preheating need, the heat-exchange area of air pre-heater is quite big, which leads to its big thermal inertia, and causes the dynamic process lasting for several ten thousands of seconds.

• Periodical: Applied Mechanics and Materials (Volumes 336-338)
• Pages: 695-699
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.336-338.695
• Online since: July 2013
• Authors: Ying Wei Kang, Wei Huang, Yang Xue, Guang Yi Cao, Heng Yong Tu
• Keywords: Dynamic Simulation, Micro Combined Heat, Model, Power, Solid Oxide Fuel Cell (SOFC)

References

[1] Dunlop joins program to commercialize Ceres SOFC generator. Fuel Cells Bulletin, 2005, (4): 8, 9.

DOI: 10.1016/s1464-2859(05)00583-3

[2] Acumentrics, MTS Group join forces on European micro-cogen program. Fuel Cells Bulletin, 2005, (10): 9, 10.

DOI: 10.1016/s1464-2859(05)70786-0

[3] Osaka Gas, Kyocera trial domestic SOFC. Fuel Cells Bulletin, 2006, (2): 2.

DOI: 10.1016/s1464-2859(06)70917-8

[4] CFCL to develop product for German residential market. Fuel Cells Bulletin, 2007, (5): 6.

DOI: 10.1016/s1464-2859(07)70167-0

[5] Residential SOFCs making a big splash in Europe. Fuel Cells Bulletin, 2007, (8):1.

DOI: 10.1016/s1464-2859(07)70303-6

[6] Ceres power holdings plc annual report 2008. Ceres power holdings plc, Crawley, 2008. http://www.cerespower.com.

[7] R.J. Braun, S.A. Klein, D.T. Reindl. Review of state-of-the-art fuel cell technologies for distributed generation. Energy Center of Wisconsin, Madison, 2000.

[8] H.I. Onovwiona, V.I. Ugursal. Residential cogeneration systems: review of the current technology. Renewable and Sustainable Energy Reviews, 2006, (10): 389-431.

DOI: 10.1016/j.rser.2004.07.005