Exergy analysis of a coal-fired thermal power plant in Kangal District of Turkey Online publication date: Fri, 28-Oct-2022
by Sevgi Erzen; Halil Ibrahim Acar; Oguzhan Pektezel
International Journal of Exergy (IJEX), Vol. 39, No. 3, 2022
Abstract: In this study, thermodynamic analysis of Kangal thermal power plant operating in Turkey was performed. Energy and exergy values of 35 points in the power plant were calculated. Energy and exergy equations of all components were derived to analyse the system performance. Exergy destruction, the second law efficiency and the efficiency defect were calculated for the system components. Also, the effect of ambient temperature on exergetic performance of the turbines and the condenser was analysed. Results were presented in graphs. The boiler was determined as the equipment that caused the greatest exergy destruction with 91.7%. The second high pressure feed water heater showed the greatest second law efficiency with 94.39. Thermal and the second law efficiency of the power plant were found to be 32.8% and 52.6%, respectively. It was found that increase in ambient temperature had a positive effect on condenser while had a negative effect on turbines.
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