Energy and exergy analysis of the 1220 MW natural gas-fired Hamitabat combined cycle power plant

Öz

In this study, the energy and exergy analysis of the 1220 MW Hamitabat combined cycle power plant (CCPP) that was renovated in 2017 with a 520 million € project is carried out. A thermodynamic model is built by applying the conservation of mass and energy principles and operating data are obtained from the plant operators. Exergy analysis is performed with the exergy balance equation to determine the exergy efficiencies and improvement potentials of all components. Also, parametric analyses are carried out to investigate the methods to enhance the performance of the plant. The plant has thermal and exergy efficiencies of 59.70% and 58.52%, respectively and these values are 13.70% and 13.52% higher than the thermal and exergy efficiencies of the original plant, respectively. Results showed that the combustion chamber (CC) has the highest rate of exergy destruction, and it is responsible for 77.61% of the total irreversibilities. The improvement potential of the CC is found to be 67.992 MW, and the prevention of heat loss from CC can increase the thermal and exergy efficiencies of the plant by 3.88% and 3.80%, respectively. Parametric analyses showed that the plant performance can be enhanced by increasing the inlet temperatures of high- and intermediate-pressure turbines, and decreasing the pressures of condenser and high-pressure turbine.

Anahtar Kelimeler

• Combined cycle
• Natural gas
• Energy analysis
• Exergy analysis
• Improvement potential

Kaynakça

1. [1] Tran BL, Chen CC, Tseng WC. Causality between energy consumption and economic growth in the presence of GDP threshold effect: Evidence from OECD countries. Energy 2022; 251: 123902.
2. [2] Osicka J, Cernoch F. European energy politics after Ukraine: The road ahead. Energy Research & Social Science 2022; 91: 102757.
3. [3] Eurostat. Fossil fuels led in electricity generation in 2021. https://ec.europa.eu/eurostat/web/products-eurostat-news/-/ddn-20220630-1. Accessed on 24/02/2023.
4. [4] Aliyu M, AlQudaihi AB, Said SA, Habib MA. Energy, exergy and parametric analysis of a combined cycle power plant. Thermal Science and Engineering Progress 2020; 15: 100450.
5. [5] Ibrahim TK, Mohammed MK, Awad OI, Rahman MM, Majafi G, Basrawi F, Abdalla AN, Basrawi F, Mamat R. The optimum performance of the combined cycle power plant: A comprehensive review. Renewable and Sustainable Energy Reviews 2017; 79: 459-474.
6. [6] Ibrahim TK, Mohammed MK, Awad OI, Abdalla AN, Basrawi F, Mohammed MN, Najafi G, Mamat R. A comprehensive review on the exergy analysis of combined cycle power plants. Renewable and Sustainable Energy Reviews 2018; 90: 835-850.
7. [7] Garcia SI, Garcia RF, Carril JC, Garcia DI. Critical review of the first-law efficiency in different power combined cycle architectures. Energy Conversion and Management 2017; 148: 844-859.
8. [8] Facchini B, Fiaschi D, Manfrida G. Exergy analysis of combined cycles using latest generation gas turbines. Journal of Engineering for Gas Turbines and Power 2000; 122: 233-238.

9. [9] Sue DC, Chuang CC. Engineering design and exergy analyses for combustion gas turbine based power generation system. Energy 2004; 29: 1183-1205.
10. [10] Ertesvag IS, Kvamsdal HM, Bolland O. Exergy analysis of a gas-turbine combined-cycle power plant with precombustion CO2 capture. Energy 2005; 30: 5-39.
11. [11] Arrieta FRP, Lora EES. Influence of ambient temperature on combined-cycle power-plant performance. Applied Energy 2005; 80: 261-272.
12. [12] Cziesla F, Tsatsaronis G, Gao Z. Avoidable thermodynamic inefficiencies and costs in an externally fired combined cycle power plant. Energy 2006; 31: 1472-1489.
13. [13] Sanjay Y, Singh O, Prasad BN. Energy and exergy analysis of steam cooled reheat gas-steam combined cycle. Applied Thermal Engineering 2007; 27: 2779-2790.
14. [14] Sanjay Y, Prasad BN. Energy and exergy analysis of intercooled combustion-turbine based combined cycle power plant. Energy 2013; 59: 277-284.
15. [15] Bassily AM. Modeling, numerical optimization, and irreversibility reduction of a triple-pressure reheat combined cycle. Energy 2007; 32: 778-794.
16. [16] Pattanayak L, Sahu JN, Mohanty P. Combined cycle power plant performance evaluation using exergy and energy analysis. Environmental Progress & Sustainable Energy 2017; 36: 1180-1186.
17. [17] Koch C, Cziesla F, Tsatsaronis G. Optimization of combined cycle power plants using evolutionary algorithms. Chemical Engineering and Processing 2007; 46: 1151-1159.
18. [18] Ameri M, Ahmadi P, Khanmohammadi S. Exergy analysis of a 420 MW combined cycle power plant. International Journal of Energy Research 2008; 32: 175-183.
19. [19] Ahmadi P, Dincer I, Rosen MA. Exergy, exergoeconomic and environmental analyses and evolutionary algorithm based multi-objective optimization of combined cycle power plants. Energy 2011; 36: 5886-5898.
20. [20] Ahmadi P, Dincer I. Thermodynamic analysis and thermoeconomic optimization of a dual pressure combined cycle power plant with a supplementary firing unit. Energy Conversion and Management 2011; 52: 2296-2308.
21. [21] Petrakopoulou F, Tsatsaronis G, Morosuk T, Carassai A. Conventional and advanced exergetic analyses applied to a combined cycle power plant. Energy 2012; 41: 146-152.
22. [22] Mansouri MT, Ahmadi P, Kaviri AG, Jaafar MNM. Exergetic and economic evaluation of the effect of HRSG configurations on the performance of combined cycle power plants. Energy Conversion and Management 2012; 58: 47-58.
23. [23] Kaviri AG, Jaafar MNM, Lazim TM, Barzegaravval H. Exergoenvironmental optimization of Heat Recovery Steam Generators in combined cycle power plant through energy and exergy analysis. Energy Conversion and Management 2013; 67: 27-33.
24. [24] Soltani S, Mahmoudi SMS, Yari M, Rosen MA. Thermodynamic analyses of an externally fired gas turbine combined cycle integrated with a biomass gasification plant. Energy Conversion and Management 2013; 70: 107-115.
25. [25] Açıkkalp E, Aras H, Hepbasli A. Advanced exergoeconomic analysis of an electricity-generating facility that operates with natural gas. Energy Conversion and Management 2014; 78: 452-460.
26. [26] Boyaghchi FA, Molaie H. Sensitivity analysis of exergy destruction in a real combined cycle power plant based on advanced exergy method. Energy Conversion and Management 2015; 99: 374-386.
27. [27] Boyaghchi FA, Molaie H. Advanced exergy and environmental analyses and multi objective optimization of a real combined cycle power plant with supplementary firing using evolutionary algorithm. Energy 2015; 93: 2267-2279.
28. [28] Vandani AMK, Joda F, Boozarjomehry RB. Exergic, economic and environmental impacts of natural gas and diesel in operation of combined cycle power plants. Energy Conversion and Management 2016; 109: 103-112.
29. [29] Sahin AZ, Al-Sharafi A, Yilbas BS, Khaliq A. Overall performance assessment of a combined cycle power plant: An exergo-economic analysis. Energy Conversion and Management 2016; 116: 91-100.
30. [30] Blumberg T, Assar M, Morosuk T, Tsatsaronis G. Comparative exergoeconomic evaluation of the latest generation of combined-cycle power plants. Energy Conversion and Management 2017; 153: 616-626.
31. [31] Hosseini SE, Barzegaravval H, Ganjehkaviri A, Wahid MA, Jaafar MNM. Modelling and exergoeconomic-environmental analysis of combined cycle power generation system using flameless burner for steam generation. Energy Conversion and Management 2017; 135: 362-372.
32. [32] Ersayin E, Ozgener L. Performance analysis of combined cycle power plants: A case study. Renewable and Sustainable Energy Reviews 2015; 43: 832-842.
33. [33] Abuelnuor AAA, Saqr KM, Mohieldein SAA, Dafallah KA, Abdullah MM, Nogoud YAM. Exergy analysis of Garri “2” 180MW combined cycle power plant. Renewable and Sustainable Energy Reviews 2017; 79: 960-969.
34. [34] Ali MS, Shafique QN, Kumar D, Kumar S, Kumar S. Energy and exergy analysis of a 747-MW combined cycle power plant Guddu. International Journal of Ambient Energy 2020; 41: 1495-1504.
35. [35] Jamnani MB, Kardgar A. Energy-exergy performance assessment with optimization guidance for the components of the 396-MW combined-cycle power plant. Energy Science & Engineering 2020; 8: 3561-3574.
36. [36] Pinto GM, Coronado CJR, de Souza TUZ, Santos EMD. Exergy analysis of a natural gas combined cycle power plant: a case study. International Journal of Exergy 2022; 37: 159-180.
37. [37] Altarawneh OR, Alsarayreh AA, Al-Falahat AM, Al-Kheetan MJ, Alrwashdeh SS. Energy and exergy analyses for a combined cycle power plant in Jordan. Case Studies in Thermal Engineering 2022; 31: 101852.
38. [38] Pattanayak L, Padhi BN. Thermodynamic simulation and economic analysis of combined cycle with inlet air cooling and fuel pre-heating: Performance enhancement and emission reduction. Energy Conversion and Management 2022; 267: 115884.
39. [39] Shireef LT, Ibrahim TK. Influence of operating parameters on the performance of combined cycle based on exergy analysis. Case Studies in Thermal Engineering 2022; 40: 102506.
40. [40] Republic of Türkiye Ministry of Energy and Natural Resources. Electricity. https://enerji.gov.tr/bilgi-merkezi-enerji-elektrik (in Turkish) accessed on 15/07/2023.
41. [41] EPDK. Turkish Natural Gas Market Report 2021. Energy Market Regulatory Authority: Ankara, 2022.
42. [42] Cihan A, Hacıhafızoğlu O, Kahveci K. Energy-exergy analysis and modernization suggestions for a combined-cycle power plant. International Journal of Energy Research 2006; 30: 115-126.
43. [43] Chase MW. NIST-JANAF Thermochemical Tables 2 Volume-Set, Journal of Physical and Chemical Reference Data Monographs. American Institute of Physics, College Park, MD, 1998.
44. [44] Pamidimukkala KM, Rogers D, Skinner GB. Ideal gas thermodynamic properties of CH3, CD3, CD4, C2D2, C2D4, C2D6, C2H6, CH3N2CH3, and CD3N2CD3. Journal of Physical and Chemical Reference Data 1982; 11: 83-99.
45. [45] Chao J, Wilhoit RC, Zwolinski BJ. Ideal gas thermodynamic properties of Ethane and Propane. Journal of Physical and Chemical Reference Data 1973; 2: 427-437.
46. [46] Çengel YA, Boles MA. Thermodynamics: An Engineering Approach, 8th ed. McGraw-Hill, USA, 2015.
47. [47] Van Gool W. Energy policy: fairy tales and factualities, in: Innovation and Technology-Strategies and Policies 1997, Springer, 93-105.