Journal
ENERGIES
Volume 3, Issue 4, Pages 754-769Publisher
MDPI
DOI: 10.3390/en3040754
Keywords
thermo-economic model; solid oxide fuel cell; gas turbine; hybrid power plant
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Funding
- University of Trinidad and Tobago
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Power generation using gas turbine power plants operating on the Brayton cycle suffers from low efficiencies. In this work, a solid oxide fuel cell (SOFC) is proposed for integration into a 10 MW gas turbine power plant, operating at 30% efficiency. The SOFC system utilizes four heat exchangers for heat recovery from both the turbine outlet and the fuel cell outlet to ensure a sufficiently high SOFC temperature. The power output of the hybrid plant is 37 MW at 66.2% efficiency. A thermo-economic model predicts a payback period of less than four years, based on future projected SOFC cost estimates.
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