Dynamic Modeling on the Hybrid Molten Carbonate Fuel Cell-Gas Turbine Bottoming Cycle

[+] Author and Article Information
Huisheng Zhang, Shilie Weng, Ming Su

 The Key Lab. of Power Machinery and Engineering of Education Ministry, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China

J. Fuel Cell Sci. Technol 2(2), 94-98 (Nov 24, 2004) (5 pages) doi:10.1115/1.1867973 History: Received March 19, 2004; Revised November 24, 2004

The intention of this paper is to present the dynamic models for the molten carbonate fuel cell (MCFC)-gas turbine hybrid cycle. This paper analyzes the performance of various components in the hybrid power plant, such as the compressor, turbine, recuperator, generator, fuel cell stack, etc. The modular simulation models of these components are presented. Based on the dynamic simulation modeling principle, one bottoming hybrid MCFC-microturbine cycle was studied to carry out the simulation. The simulation result can reflect the dynamic response of the hybrid power plant.

Copyright © 2005 by American Society of Mechanical Engineers
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Figure 1

Schematics of bottoming cycle hybrid system

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Figure 2

Conceptual MCFC cell structure

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Figure 3

Schematic figure of heat transfer in the recuperator

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Figure 4

Responses of air flow rate and inlet temperature of turbine

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Figure 5

The dynamic response of power output of gas turbine with fuel increment at the inlet of fuel

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Figure 6

The dynamic response of power output of gas turbine with fuel decrease at the inlet of fuel cell

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Figure 7

Responses of exit temperature of anode gas and cathode gas

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Figure 8

Dynamic response of power output of fuel cell stack



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