Exergoeconomic study of reheat combined cycle configurations using steam and ammonia-water mixture for bottoming cycle parameters

Year 2023, Volume: 9 Issue: 5 , 1272 - 1290 , 17.10.2023

Mayank Maheshwarı Onkar Sıngh

https://doi.org/10.18186/thermal.1376826

https://izlik.org/JA78KA49XL

Abstract

The use of combined cycle power plants though had led the pathway to maximize the fuel en-ergy utilization but the part-load operation of these plants is of concern. In this work, an exer-goeconomic comparison of 11 different reheat combined cycle arrangements hasbeen carried out under their part-load operations for varying bottoming cycle parametersnamely steam-bleedfraction, deaerator pressure,separator temperature, absorber pressure, and condenser pressure.The results depict that the absorber has the highest exergy destruction with second law efficiency of 23.55% at thepart load of 25% for the combined cycle power plant having high pressure drum with steam as working fluid and low pressure drum with ammonia-wa-ter as working fluid. The comparison also shows the highest cost of electricity production as 0.1243USD/kWh for the combined cycle power plant having ammonia-water as working fluid in bottoming cycle and operating at part load of 25%. While the minimum price of electricity produced is 0.05USD/kWh at 25% part load for CCPP having double pressure HRVG’s at condenser pressure of 0.09 bar.

Keywords

Exergy , Economics , Part Load Operations , Combined Cycle , Reheat Aqua Ammonia Turbine

References

• REFERENCES
• [1] Tsatsaronis G, Winhold M. Exergoeconomic analysis and evaluation of energy-conversion plants-I. A new general methodology. Energy 1985;10:6980. [CrossRef]
• [2] Abusoglu A, Kanoglu M. Exergoeconomic analysis and optimization of combined heat and power production: A review. Renew Sustain Energy Rev 2009;13:22952308. [CrossRef]
• [3] Tsatsaronis G. Exergoeconomics: Is it only a new name?. Chem Eng Technol 1996;19:163169. [CrossRef]
• [4] Gorji-Bandpy M, Ebrahimian V. Exergoeconomic analysis of gas turbine power plants. Int Energy J 2006;7:5767.
• [5] Tsatsaronis G, Lin L, Pisa J. Exergy costing in exergoeconomics. J Energy Resour Technol 1993;115:916. [CrossRef]
• [6] Zhang G, Hua B, Chen Q. Exergoeconomic methodology for analysis and optimization of process systems. Comput Chem Eng 2000;24:613618. [CrossRef]
• [7] Ozdil NF, Tantekin A, Pekdur A. Thermodynamic, economic and environmental assessments in a cogeneration power plant. Energy Sources Part A: Recov Util Environ Eff 2020;42:149169.
• [8] Balafkandeh S, Zare V, Gholamian E. Multi-objective optimization of a tri-generation system based on biomass gasification/digestion combined with S-CO2 cycle and absorption chiller. Energy Convers Manag 2019;200:112057. [CrossRef]
• [9] Gholamian E, Habibollahzade A, Zare V. Development and multi-objective optimization of geothermal-based organic Rankine cycle integrated with thermoelectric generator and proton exchange membrane electrolyzer for power and hydrogen production. Energy Convers Manag 2018;174:112125. [CrossRef]
• [10] Motamed MA, Nord LO. Assessment of organic rankine cycle part-load performance as gas turbine bottoming cycle with variable area nozzle turbine technology. Energies 2021;14:7916. [CrossRef]
• [11] Ozdil NFT, Pekdur A. Energy and exergy assessment of a cogeneration system in food industry: a case study. Int J Exergy 2016;20:254268.
• [12] Ozdil NFT, Tantekin A. Exergoeconomic analysis of a FBCC steam power plant. Therm Sci 2017;21:19751984. [CrossRef]
• [13] Ozdil NF, Tantekin A, Pekdur A. Performance assessment of a cogeneration system in food industry. J Therm Eng 2018;4:18471854. [CrossRef]
• [14] Tantekin A, Ozdil NF. Thermodynamic analysis of a fluidized bed coal combustor steam plant in textile industry. J Therm Eng 2017;3:16071614. [CrossRef]
• [15] Fellah GM, Mghrebi FA, Aboghres SM. Exergoeconomic analysis for unit Gt14 of South Tripoli gas turbine power plant. Jordan J Mech Ind Eng 2010;4:507516.
• [16] Yucer CT. Thermodynamic analysis of the part load performance for a small scale gas turbine jet engine by using exergy analysis method. Energy 2016;111:251259. [CrossRef]
• [17] Li Y, Zhang G, Bai Z, Song X, Wang L, Yang Y. Backpressure adjustable gas turbine combined cycle: A method to improve part-load efficiency. Energy Convers Manag 2018;174:739754. [CrossRef]
• [18] Liu T, Zhang G, Li Y, Yang Y. Performance analysis of partially recuperative gas turbine combined cycle under off-design conditions. Energy Convers Manag 2018;162:5565. [CrossRef]
• [19] Bakhshmand SK, Saray RK, Bahlouli K, Eftekhari H, Ebrahimi A. Exergoeconomic analysis and optimization of a triple-pressure combined cycle plant using evolutionary algorithm. Energy 2015;93:555567. [CrossRef]
• [20] Sahin AZ, Al-Sharafi A, Yilbas BS, Khaliq A. Overall performance assessment of a combined cycle power plant: an exergo-economic analysis. Energy Convers Manag 2016;116:91100. [CrossRef]
• [21] Ameri M, Ahmadi P, Hamidi A. Energy, exergy and exergoeconomic analysis of a steam power plant: A case study. Int J Energy Res 2009;33:499512. [CrossRef]
• [22] Variny M, Mierka O. Improvement of part load efficiency of a combined cycle power plant provisioning ancillary services. Appl Energy 2009;86:888894. [CrossRef]
• [23] Soltani S, Mahmoudi SMS, Yari M, Morosuk T, Rosen MA, Zare V. A comparative exergoeconomic analysis of two biomass and co-firing combined power plants. Energy Convers Manag 2013;76:8391. [CrossRef]
• [24] Khanmohammadi S, Azimian AR. Exergoeconomic evaluation of a two-pressure level fired combined-cycle power plant. J Energy Eng 2015;141:04014014. [CrossRef]
• [25] Mehrpooya M, Taromi M, Ghorbani B. Thermo-economic assessment and retrofitting of an existing electrical power plant with solar energy under different operational modes and part load conditions. Energy Rep 2019;5:11371150. [CrossRef]
• [26] Najjar YS, Alalul OF, Abu-Shamleh A. Degradation analysis of a combined cycle heat recovery steam generator under full and part load conditions. Sustain Energy Technol Assess. 2020;37:100587. [CrossRef]
• [27] Jonshagen K. Exhaust Gas Recirculation to Improve Part Load Performance on Combined Cycle Power Plants. In: ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition, 2016. p. V003T06A004. [CrossRef]
• [28] Maheshwari M, Singh O. Exergy analysis of intercooled reheat combined cycle with ammonia water mixture based bottoming cycle. Appl Therm Eng 2017;121:820827. [CrossRef]
• [29] Song TW, Sohn JL, Kim JH, Kim TS, Ro ST. Exergy-based performance analysis of the heavy-duty gas turbine in part-load operating conditions. Exergy Int J 2002;2:105112. [CrossRef]
• [30] Ganjehkaviri A, Jaafar MM, Ahmadi P, Barzegaravval H. Modelling and optimization of combined cycle power plant based on exergoeconomic and environmental analyses. Appl Therm Eng 2014;67:566578. [CrossRef]
• [31] Liu Z, Karimi IA. Simulation and optimization of a combined cycle gas turbine power plant for part-load operation. Chem Eng Res Des 2018;131:2940. [CrossRef]
• [32] Baghernejad A, Yaghoubi M. Exergoeconomic analysis and optimization of an Integrated Solar Combined Cycle System (ISCCS) using genetic algorithm. Energy Convers Manag 2011;52:21932203. [CrossRef]
• [33] Lorencin I, Anđelić N, Mrzljak V, Car Z. Genetic algorithm approach to design of multi-layer perceptron for combined cycle power plant electrical power output estimation. Energies 2019;12:4352. [CrossRef]
• [34] Dawo F, Wieland C, Spliethoff H. Kalina power plant part load modeling: Comparison of different approaches to model part load behavior and validation on real operating data. Energy 2019;174:625637. [CrossRef]
• [35] Sanjay Y, Singh O, Prasad BN. Energy and exergy analysis of steam cooled reheat gas-steam combined cycle. Appl Therm Eng 2007;27:27792790. [CrossRef]
• [36] Zare V, Mahmoudi SMS. A thermodynamic comparison between organic Rankine and Kalina cycles for waste heat recovery from the Gas Turbine-Modular Helium Reactor. Energy 2015;79:398406. [CrossRef]
• [37] Yari M, Mahmoudi SMS. Utilization of waste heat from GT-MHR for power generation in organic Rankine cycles. Appl Therm Eng 2010;30:366375. [CrossRef]
• [38] Yari M, Mehr AS, Zare V, Mahmoudi SMS, Rosen MA. Exergoeconomic comparison of TLC (trilateral Rankine cycle), ORC (organic Rankine cycle) and Kalina cycle using a low grade heat source. Energy 2015;83:712722. [CrossRef]
• [39] Bolz RE. CRC Handbook of Tables for Applied Engineering Science. Boca Raton, Florida: CRC Press; 1973.
• [40] Cengel YA, Boles MA. Thermodynamics: An Engineering Approach. New York: McGraw-Hill; 2002.
• [41] Maheshwari M, Singh O. Thermo-economic analysis of combined cycle configurations with intercooling and reheating. Energy 2020;25:118049. [CrossRef]
• [42] Prakash D, Singh O. Thermo-economic study of combined cycle power plant with carbon capture and methanation. J Clean Product 2019;231:529542. [CrossRef]
• [43] Singh R, Singh O. Comparative study of combined solid oxide fuel cell-gas turbine-Organic Rankine cycle for different working fluid in bottoming cycle. Energy Convers Manag 2018;171:659670. [CrossRef]
• [44] Owebor K, Oko COC, Diemuodeke EO, Ogorure OJ. Thermo-environmental and economic analysis of an integrated municipal waste-to-energy solid oxide fuel cell, gas-, steam-, organic fluid-and absorption refrigeration cycle thermal power plants. Appl Energy 2019;239:13851401. [CrossRef]
• [45] Campbell JM. Gas Conditioning and Processing, Vol. 1, the Basic Principals. 8th ed. Norman, Oklahoma: Campbell Petroleum Series; 2001.
• [46] Gulen SC. A more accurate way to calculate the cost of electricity. Power 2011;155:6265.
• [47] Central Electricity Regulatory Commission New Delhi. Tariff (Regulation) norms 2014, order no. L-1/144/2013/CERC. Central Electricity Regulatory Commission New Delhi.