Thermo-economic performance of an indirect hybrid system of solid oxide fuel cell and micro gas turbine

Document Type : Research Paper

Authors

1 Corresponding Author, Associate Professor, Faculty of Aerospace, Malek Ashtar University of Technology, Iran

2 PhD Student, Faculty of Aerospace, Malek Ashtar University of Technology

3 Associate Professor, Department of Mechanical Engineering, Faculty of Engineering, University of Isfahan

Abstract

The aim of this research is to present a thermo-economic model of an indirect hybrid system of solid oxide fuel cell and micro gas turbine to be used in the combined heat and power generation system. In order to have more accurate results, complete electrochemical, thermal, and thermodynamic calculations in the fuel cell are conducted. Complete electrochemical, thermal, and thermodynamic calculations in the fuel cell are calculated. The results show that the overall efficiency of indirect hybrid system is almost 56% and its electrical efficiency is around 39%. On the thermo-economic results, it can be said that the cost of power generation based on the Lazaretto’s simple model is about USD 14.93 cents/kWh and, based on the full economic model, it is about 22.89 cents/kWh. The purchase and installation cost of the hybrid system is about 1972 USD/kW.

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References

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Iranian Journal of Mechanical Engineering Transactions of the ISME
Volume 22, Issue 1 - Serial Number 36
Winter and Spring
March 2021
Pages 5-26

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