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Traditional methods of analysis and calculation of complex thermal systems are based on the first law of thermodynamics. These methods use energy balance for a system. In general, energy balances do not provide any information about internal losses. In contrast, the second law of thermodynamics introduces the concept of exergy, which is useful in the analysis of thermal systems. Exergy is a measure for assessing the quality of energy, and allows one to determine the location, cause, and real size of losses incurred as well as residues in a thermal process. The purpose of this study is to comparatively analyze the performance of four thermal power plants from the energetic and exergetic viewpoint. Thermodynamic models of the plants are developed based on the first and second law of thermodynamics. The primary objectives of this paper are to analyze the system components separately and to identify and quantify the sites having largest energy and exergy losses. Finally, by means of these analyses, the main sources of thermodynamic inefficiencies as well as a reasonable comparison of each plant  to others are identified and discussed. As a result, the outcomes of this study can provide a basis for the improvement of plant performance for the considered thermal power plants.

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MITROVIĆ, Dejan M. et al. COMPARATIVE EXERGETIC PERFORMANCE ANALYSIS FOR CERTAIN THERMAL POWER PLANTS IN SERBIA. Thermal Science, [S.l.], v. 20, p. S1259-S1269, feb. 2017. ISSN 2334-7163. Available at: <>. Date accessed: 14 dec. 2017. doi:
Received 2017-02-07
Accepted 2017-02-07
Published 2017-02-07


[1] Woudstra, N., et al., Thermodynamic Evaluation of Combined Cycle Plants, Energy Conversion and Management, 51 (2010), 5, pp. 1099-1110
[2] Balli, O., et al., Exergetic Performance Evaluation of Combined Heat and Power (CHP) System in Turkey, International Journal of Energy Research, 31 (2007), 9, pp. 849-866
[3] Cihan, A., et al., Energy-Exergy Analysis and Modernization Suggestions for a Combined Cycle Power Plant, International Journal of Energy Research, 30 (2006), 2, pp. 115-126
[4] Ameri, M., et al., Exergy Analysis of a 420 MW Combined Cycle Power Plant, Short Communication, International Journal of Energy Research, 32 (2008), 2, pp. 175-183
[5] Kanoglu, M., et al., Understanding Energy and Exergy Efficiencies for Improved Energy Management in Power Plants, Energy Policy, 35 (2007), 4, pp. 3967-3978
[6] Dincer, I., The Role of Exergy in Energy Policy Making, Energy Policy, 30 (2002), 2, pp. 137-149
[7] Rosen M. A, et al., Role of Exergy in Increasing Efficiency and Sustainability and Reducing Environmental Impact, Energy Policy, 36 (2008), 1, pp. 128-137
[8] Spencer, R. C., et al., A Method for Predicting the Performance of Steam Turbine Generators 16500 kW and Larger, Journal of Engineering for Power, 85, Seria A (1963), 4, pp. 249-301
[9] Assadi, M., Methods and Tools for Analysis and Optimization of Power Plants, Ph. D. thesis, Lund University, Sweden, 2000
[10] Marcuello, F. H. U., Thermoeconomic Analysis and Simulation of a Combined Power and Desalination Plant, Ph. D. thesis, Departamento de Ingenieria Mecanica Universidad de Zaragoza, Zaragoza, Spain, 2000
[11] Huang, F. F., Performance Evaluation of Selected Combustion Gas Turbine Cogeneration Systems Based on First and Second-Law Analysis, ASME Journal of Engineering for Gas Turbines and Power, 112 (1990), 1, pp. 117-121
[12] Feng, X., et al., A New Performance Criterion for Cogeneration System, Energy Conversion and Management, 39 (1998), 15, pp. 1607-1609
[13] ***, Catalog of CHP Technology; U. S. Environmental Protection Agency: Washington, DC, 2008
[14] Bejan, A., et al., Thermal Design and Optimization, John Wiley and Sons Inc., New York, USA, 1996
[15] Kotas, T. J.,The Exergy Method of Thermal Plant Analysis, Krieger Publishing Company, Malabar, Fla., USA, 1995
[16] Zaleta-Aguilar A., et al., Concept on Thermoeconomic Evaluation of Steam Turbines, Applied Thermal Engineering, 27 (2007), 2-3, pp. 457-466
[17] Yilmazoglu, M. Z., Amirabedin, E., Second Law and Sensitivity Analysis of a Combined Cycle Power Plant in Turkey, Journal of Thermal Science and Technology, 31 (2011), 2, pp. 41-50
[18] Moran, M. J., Shapiro, H. N., Fundamentals of Engineering Thermodynamics, 4th ed., John Wiley & Sons, New York, USA, 2000
[19] Boonnasa, S., Namprakai, P., Exergy Evaluation of the EGAT (Block 1) Combined Cycle Power Plant, Proceedings, The Joint International Conference on Sustainable Energy and Environment (SEE), Hua Hin, Thailand, 2004, pp. 437-441
[20] Erlach, B., et al., A New Approach for Assigning Costs and Fuels to Cogeneration Products, International Journal of Applied Thermodynamics, 4 (2001), 3, pp. 145-156
[21] Erdem, H. H., et al., Comparative Energetic and Exergetic Performance Analyses for Coal-Fired Thermal Power Plants in Turkey, International Journal of Thermal Sciences, 48 (2009), 11, pp. 2179-2186
[22] Kanoglu, M., Dincer, I., Performance Assessment of Cogeneration Plants, Energy Conversion and Management, 50 (2009), 1, pp. 76-81
[23] Mitrović, D., et al., Energy and Exergy Analysis of a 348.5 MW Steam Power Plant, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 32 (2010), 11, pp. 1016-1027
[24] Sengupta, S., et al., Exergy Analysis of a Coal-Based 210 MW Thermal Power Plant, International Journal of Energy Research, 31 (2007), 1, pp. 14-28
[25] Rosen, M., Dincer, I., Thermoeconomic Analysis of Power Plants: an Application to a Coal Fired Electrical Generating Station, Energy Conversion and Management, 44 (2003), 17, pp. 2743-2761

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