IDEAS home Printed from https://ideas.repec.org/a/eee/energy/v164y2018icp359-376.html
   My bibliography  Save this article

The thermodynamic and economic characteristics of the modern combined cycle power plant with gas turbine steam cooling

Author

Listed:
  • Kotowicz, Janusz
  • Brzęczek, Mateusz
  • Job, Marcin

Abstract

This paper presents a methodology to clearly identify energy benefits (in terms of power and efficiency) resulting from the use heat from gas turbine steam cooling and heat from cooling air. These potential benefits are evaluated in terms of the characteristics of combined cycle power plants in a wide range of pressure ratios β = 10 ÷ 100. Calculations were made for four variants (optimistic and conservative), differing in terms of the performance characteristics of the compressor and turbine isentropic efficiency as a function of β and the permissible temperature of the expander blades in the gas turbine. The steam part of the power plant in question is composed of a classical steam cycle with a triple-pressure subcritical heat recovery steam generator (HRSG) with reheating, to which gases from a gas turbine are fed at a constant temperature of 630 °C. The power plant also has an additional steam cycle utilizing the heat from cooling the air from the intercooler of the air compressor. The impact of using steam cooling on the electrical efficiency of the gas turbine as well as the entire power plant is presented. This was compared to classical open-air cooling, achieving a gas turbine electrical efficiency seven percentage points higher for high pressure ratios. Using steam and air heat, the combined cycle power plant achieves a net electrical efficiency of more than 65% for β ≥ 95. This paper presents the calculation algorithm of the break-even cost of electricity Celb-e (at the NPV = 0) and the cost of the components as a function of the pressure ratio β. In addition, the efficiency and power degradation of the power plant over time is presented. The lowest cost Celb-e = 64.85 €/MWh (at the fuel price 8.179 €/GJ) was obtained for the compression ratio β = 31. But, the range of compression ratios for which this is close to the optimum is wide and is within the range of β = 18 ÷ 53. Sensitivity analysis of the break-even cost of electricity to changes in microeconomic factors was performed for case O1 (characterized by the highest net electrical efficiency of the unit), such as: investment costs, gas fuel price, power plant operating time and CO2 emission allowance cost. This showed that a change in these factors has little effect on the change in the optimal gas turbine pressure ratio, while significantly affecting the profitability of the combined cycle power plant. Calculations show that the thermodynamic optimum (maximum efficiency) and economic optimum (minimum break-even cost of electricity) do not overlap.

Suggested Citation

  • Kotowicz, Janusz & Brzęczek, Mateusz & Job, Marcin, 2018. "The thermodynamic and economic characteristics of the modern combined cycle power plant with gas turbine steam cooling," Energy, Elsevier, vol. 164(C), pages 359-376.
  • Handle: RePEc:eee:energy:v:164:y:2018:i:c:p:359-376
    DOI: 10.1016/j.energy.2018.08.076
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S0360544218316086
    Download Restriction: Full text for ScienceDirect subscribers only

    File URL: https://libkey.io/10.1016/j.energy.2018.08.076?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Lindqvist, Karl & Jordal, Kristin & Haugen, Geir & Hoff, Karl Anders & Anantharaman, Rahul, 2014. "Integration aspects of reactive absorption for post-combustion CO2 capture from NGCC (natural gas combined cycle) power plants," Energy, Elsevier, vol. 78(C), pages 758-767.
    2. Kotowicz, Janusz & Brzęczek, Mateusz, 2018. "Analysis of increasing efficiency of modern combined cycle power plant: A case study," Energy, Elsevier, vol. 153(C), pages 90-99.
    3. Kotowicz, Janusz & Job, Marcin & Brzęczek, Mateusz, 2015. "The characteristics of ultramodern combined cycle power plants," Energy, Elsevier, vol. 92(P2), pages 197-211.
    4. Kotowicz, Janusz & Bartela, Łukasz, 2010. "The influence of economic parameters on the optimal values of the design variables of a combined cycle plant," Energy, Elsevier, vol. 35(2), pages 911-919.
    5. Kayadelen, Hasan Kayhan & Ust, Yasin, 2017. "Thermodynamic, environmental and economic performance optimization of simple, regenerative, STIG and RSTIG gas turbine cycles," Energy, Elsevier, vol. 121(C), pages 751-771.
    6. Petrakopoulou, Fontina & Tsatsaronis, George & Morosuk, Tatiana & Carassai, Anna, 2012. "Conventional and advanced exergetic analyses applied to a combined cycle power plant," Energy, Elsevier, vol. 41(1), pages 146-152.
    7. Sanjay, & Prasad, Bishwa N., 2013. "Energy and exergy analysis of intercooled combustion-turbine based combined cycle power plant," Energy, Elsevier, vol. 59(C), pages 277-284.
    8. Poullikkas, Andreas, 2005. "An overview of current and future sustainable gas turbine technologies," Renewable and Sustainable Energy Reviews, Elsevier, vol. 9(5), pages 409-443, October.
    9. Chacartegui, R. & Sánchez, D. & Muñoz de Escalona, J.M. & Muñoz, A. & Sánchez, T., 2013. "Gas and steam combined cycles for low calorific syngas fuels utilisation," Applied Energy, Elsevier, vol. 101(C), pages 81-92.
    10. Hedin, Niklas & Andersson, Linnéa & Bergström, Lennart & Yan, Jinyue, 2013. "Adsorbents for the post-combustion capture of CO2 using rapid temperature swing or vacuum swing adsorption," Applied Energy, Elsevier, vol. 104(C), pages 418-433.
    11. Rao, Ashok D. & Francuz, David J., 2013. "An evaluation of advanced combined cycles," Applied Energy, Elsevier, vol. 102(C), pages 1178-1186.
    12. Tică, Adrian & Guéguen, Hervé & Dumur, Didier & Faille, Damien & Davelaar, Frans, 2012. "Design of a combined cycle power plant model for optimization," Applied Energy, Elsevier, vol. 98(C), pages 256-265.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Janusz Kotowicz & Mateusz Brzęczek & Aleksandra Walewska & Kamila Szykowska, 2022. "Methanol Production in the Brayton Cycle," Energies, MDPI, vol. 15(4), pages 1-14, February.
    2. Rey, J.R.C. & Pio, D.T. & Tarelho, L.A.C., 2021. "Biomass direct gasification for electricity generation and natural gas replacement in the lime kilns of the pulp and paper industry: A techno-economic analysis," Energy, Elsevier, vol. 237(C).
    3. Ivan Lorencin & Nikola Anđelić & Vedran Mrzljak & Zlatan Car, 2019. "Genetic Algorithm Approach to Design of Multi-Layer Perceptron for Combined Cycle Power Plant Electrical Power Output Estimation," Energies, MDPI, vol. 12(22), pages 1-26, November.
    4. Hosseinalipour, S.M. & Fattahi, A. & Khalili, H. & Tootoonchian, F. & Karimi, N., 2020. "Experimental investigation of entropy waves’ evolution for understanding of indirect combustion noise in gas turbine combustors," Energy, Elsevier, vol. 195(C).
    5. Michalski, Sebastian & Hanak, Dawid P. & Manovic, Vasilije, 2020. "Advanced power cycles for coal-fired power plants based on calcium looping combustion: A techno-economic feasibility assessment," Applied Energy, Elsevier, vol. 269(C).
    6. Chen, Yu-Zhi & Zhao, Xu-Dong & Xiang, Heng-Chao & Tsoutsanis, Elias, 2021. "A sequential model-based approach for gas turbine performance diagnostics," Energy, Elsevier, vol. 220(C).
    7. Kotowicz, Janusz & Brzęczek, Mateusz, 2019. "Comprehensive multivariable analysis of the possibility of an increase in the electrical efficiency of a modern combined cycle power plant with and without a CO2 capture and compression installations ," Energy, Elsevier, vol. 175(C), pages 1100-1120.
    8. Ziółkowski, Paweł & Stasiak, Kamil & Amiri, Milad & Mikielewicz, Dariusz, 2023. "Negative carbon dioxide gas power plant integrated with gasification of sewage sludge," Energy, Elsevier, vol. 262(PB).
    9. Bartnik, Ryszard & Hnydiuk-Stefan, Anna & Buryn, Zbigniew, 2020. "Thermodynamic and economic analysis of a gas turbine set coupled with a turboexpander in a hierarchical gas-gas system," Energy, Elsevier, vol. 190(C).

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Kotowicz, Janusz & Brzęczek, Mateusz, 2019. "Comprehensive multivariable analysis of the possibility of an increase in the electrical efficiency of a modern combined cycle power plant with and without a CO2 capture and compression installations ," Energy, Elsevier, vol. 175(C), pages 1100-1120.
    2. Guido Marseglia & Blanca Fernandez Vasquez-Pena & Carlo Maria Medaglia & Ricardo Chacartegui, 2020. "Alternative Fuels for Combined Cycle Power Plants: An Analysis of Options for a Location in India," Sustainability, MDPI, vol. 12(8), pages 1-25, April.
    3. Sahu, Mithilesh Kumar & Sanjay,, 2017. "Comparative exergoeconomics of power utilities: Air-cooled gas turbine cycle and combined cycle configurations," Energy, Elsevier, vol. 139(C), pages 42-51.
    4. Katulić, Stjepko & Čehil, Mislav & Schneider, Daniel Rolph, 2018. "Thermodynamic efficiency improvement of combined cycle power plant's bottom cycle based on organic working fluids," Energy, Elsevier, vol. 147(C), pages 36-50.
    5. Rossi, Iacopo & Sorce, Alessandro & Traverso, Alberto, 2017. "Gas turbine combined cycle start-up and stress evaluation: A simplified dynamic approach," Applied Energy, Elsevier, vol. 190(C), pages 880-890.
    6. Carcasci, Carlo & Cosi, Lorenzo & Ferraro, Riccardo & Pacifici, Beniamino, 2017. "Effect of a real steam turbine on thermoeconomic analysis of combined cycle power plants," Energy, Elsevier, vol. 138(C), pages 32-47.
    7. Colmenar-Santos, Antonio & Gómez-Camazón, David & Rosales-Asensio, Enrique & Blanes-Peiró, Jorge-Juan, 2018. "Technological improvements in energetic efficiency and sustainability in existing combined-cycle gas turbine (CCGT) power plants," Applied Energy, Elsevier, vol. 223(C), pages 30-51.
    8. Ersayin, Erdem & Ozgener, Leyla, 2015. "Performance analysis of combined cycle power plants: A case study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 832-842.
    9. Bakhshmand, Sina Kazemi & Saray, Rahim Khoshbakhti & Bahlouli, Keyvan & Eftekhari, Hajar & Ebrahimi, Afshin, 2015. "Exergoeconomic analysis and optimization of a triple-pressure combined cycle plant using evolutionary algorithm," Energy, Elsevier, vol. 93(P1), pages 555-567.
    10. Ryszard Bartnik & Waldemar Skomudek & Zbigniew Buryn & Anna Hnydiuk-Stefan & Aleksandra Otawa, 2018. "Methodology and Continuous Time Mathematical Model to Select Optimum Power of Gas Turbine Set for Dual-Fuel Gas-Steam Combined Heat and Power Plant in Parallel System," Energies, MDPI, vol. 11(7), pages 1-22, July.
    11. Boyaghchi, Fateme Ahmadi & Molaie, Hanieh, 2015. "Advanced exergy and environmental analyses and multi objective optimization of a real combined cycle power plant with supplementary firing using evolutionary algorithm," Energy, Elsevier, vol. 93(P2), pages 2267-2279.
    12. Kayadelen, Hasan Kayhan & Ust, Yasin & Bashan, Veysi, 2021. "Thermodynamic performance analysis of state of the art gas turbine cycles with inter-stage turbine reheat and steam injection," Energy, Elsevier, vol. 222(C).
    13. Ivan Lorencin & Nikola Anđelić & Vedran Mrzljak & Zlatan Car, 2019. "Genetic Algorithm Approach to Design of Multi-Layer Perceptron for Combined Cycle Power Plant Electrical Power Output Estimation," Energies, MDPI, vol. 12(22), pages 1-26, November.
    14. Dias Raybekovich Umyshev & Eduard Vladislavovich Osipov & Andrey Anatolievich Kibarin & Maxim Sergeyevich Korobkov & Tatyana Viktorovna Khodanova & Zhansaya Serikkyzy Duisenbek, 2023. "Techno-Economic Analysis of the Modernization Options of a Gas Turbine Power Plant Using Aspen HYSYS," Energies, MDPI, vol. 16(6), pages 1-22, March.
    15. Kotowicz, Janusz & Job, Marcin & Brzęczek, Mateusz, 2020. "Thermodynamic analysis and optimization of an oxy-combustion combined cycle power plant based on a membrane reactor equipped with a high-temperature ion transport membrane ITM," Energy, Elsevier, vol. 205(C).
    16. Nadir, Mahmoud & Ghenaiet, Adel, 2015. "Thermodynamic optimization of several (heat recovery steam generator) HRSG configurations for a range of exhaust gas temperatures," Energy, Elsevier, vol. 86(C), pages 685-695.
    17. Ali, Usman & Font-Palma, Carolina & Nikpey Somehsaraei, Homam & Mansouri Majoumerd, Mohammad & Akram, Muhammad & Finney, Karen N. & Best, Thom & Mohd Said, Nassya B. & Assadi, Mohsen & Pourkashanian, , 2017. "Benchmarking of a micro gas turbine model integrated with post-combustion CO2 capture," Energy, Elsevier, vol. 126(C), pages 475-487.
    18. Carapellucci, Roberto & Giordano, Lorena, 2013. "A comparison between exergetic and economic criteria for optimizing the heat recovery steam generators of gas-steam power plants," Energy, Elsevier, vol. 58(C), pages 458-472.
    19. Kotowicz, Janusz & Job, Marcin & Brzęczek, Mateusz, 2015. "The characteristics of ultramodern combined cycle power plants," Energy, Elsevier, vol. 92(P2), pages 197-211.
    20. Zhao, Ruikai & Liu, Longcheng & Zhao, Li & Deng, Shuai & Li, Shuangjun & Zhang, Yue, 2019. "A comprehensive performance evaluation of temperature swing adsorption for post-combustion carbon dioxide capture," Renewable and Sustainable Energy Reviews, Elsevier, vol. 114(C), pages 1-1.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:energy:v:164:y:2018:i:c:p:359-376. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.journals.elsevier.com/energy .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.