Abstract
This paper presents exergy analysis of Micro Gas Turbine (MGT) system. It is proposed to use hot MGT exhaust gases heat in a heat recovery steam generator to produce steam. Absorption chillers can help to increase the performance of MGT tri generation plants. MGTs are fuelled with natural gas and their waste heat is used to drive absorption chillers and other thermal energy users. Based on a steady-state model of the processes, exergy flow rates are calculated for all components and a detailed exergy analysis is performed. The components with the highest proportion of irreversibility in these systems are identified and compared.
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