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Performance improvement of the combined cycle power plant by intake air cooling using an absorption chiller

Author

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  • Boonnasa, S.
  • Namprakai, P.
  • Muangnapoh, T.

Abstract

This paper studies how to improve the capacity of the combined cycle (CC) power plant which has been operated for 8 years. The most popular way is to lower intake air temperature to around 15°C (ISO) and 100% RH before entering the air compressor of a gas turbine (GT). Thailand has 3 seasons: winter, summer and rainy season. According to 2003 Bangkok monthly weather data, all year ambient temperature is higher than 15°C. This research proposes a steam absorption chiller (AC) to cool intake air to the desired temperature level. It could increase the power output of a GT by about 10.6% and the CC power plant by around 6.24% annually. In economic analysis, the payback period will be about 3.81 years, internal rate of return 40%, and net present value 19.44MUS$.

Suggested Citation

  • Boonnasa, S. & Namprakai, P. & Muangnapoh, T., 2006. "Performance improvement of the combined cycle power plant by intake air cooling using an absorption chiller," Energy, Elsevier, vol. 31(12), pages 2036-2046.
  • Handle: RePEc:eee:energy:v:31:y:2006:i:12:p:2036-2046
    DOI: 10.1016/j.energy.2005.09.010
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    References listed on IDEAS

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    2. Farzaneh-Gord, Mahmood & Deymi-Dashtebayaz, Mahdi, 2011. "Effect of various inlet air cooling methods on gas turbine performance," Energy, Elsevier, vol. 36(2), pages 1196-1205.
    3. Osegi, Emmanuel N. & Jagun, Zaid O.O. & Chujor, Cornelius C. & Anireh, Vincent I.E. & Wokoma, Biobele A. & Ojuka, Otonye, 2023. "An evolutionary programming technique for evaluating the effect of ambient conditions on the power output of open cycle gas turbine plants - A case study of Afam GT13E2 gas turbine," Applied Energy, Elsevier, vol. 349(C).
    4. Matjanov, Erkinjon, 2020. "Gas turbine efficiency enhancement using absorption chiller. Case study for Tashkent CHP," Energy, Elsevier, vol. 192(C).
    5. Srinivas, T., 2009. "Study of a deaerator location in triple-pressure reheat combined power cycle," Energy, Elsevier, vol. 34(9), pages 1364-1371.
    6. Ge, Y.T. & Tassou, S.A. & Chaer, I. & Suguartha, N., 2009. "Performance evaluation of a tri-generation system with simulation and experiment," Applied Energy, Elsevier, vol. 86(11), pages 2317-2326, November.
    7. Mohapatra, Alok Ku & Sanjay,, 2014. "Thermodynamic assessment of impact of inlet air cooling techniques on gas turbine and combined cycle performance," Energy, Elsevier, vol. 68(C), pages 191-203.
    8. Ge, Y.T. & Tassou, S.A. & Suamir, I.N., 2013. "Prediction and analysis of the seasonal performance of tri-generation and CO2 refrigeration systems in supermarkets," Applied Energy, Elsevier, vol. 112(C), pages 898-906.
    9. Pourhedayat, Samira & Hu, Eric & Chen, Lei, 2022. "Simulation of innovative hybridizing M-cycle cooler and absorption-refrigeration for pre-cooling of gas turbine intake air: Including a case study for Siemens SGT-750 gas turbine," Energy, Elsevier, vol. 247(C).
    10. Oko, C.O.C. & Njoku, I.H., 2017. "Performance analysis of an integrated gas-, steam- and organic fluid-cycle thermal power plant," Energy, Elsevier, vol. 122(C), pages 431-443.
    11. Dabwan, Yousef N. & Zhang, Liang & Pei, Gang, 2023. "A novel inlet air cooling system to improve the performance of intercooled gas turbine combined cycle power plants in hot regions," Energy, Elsevier, vol. 283(C).
    12. Mohammad Reza Majdi Yazdi & Mehdi Aliehyaei & Marc A. Rosen, 2015. "Exergy, Economic and Environmental Analyses of Gas Turbine Inlet Air Cooling with a Heat Pump Using a Novel System Configuration," Sustainability, MDPI, vol. 7(10), pages 1-28, October.
    13. Behnam Roshanzadeh & Ashkan Asadi & Gowtham Mohan, 2023. "Technical and Economic Feasibility Analysis of Solar Inlet Air Cooling Systems for Combined Cycle Power Plants," Energies, MDPI, vol. 16(14), pages 1-23, July.
    14. Ehyaei, M.A. & Mozafari, A. & Alibiglou, M.H., 2011. "Exergy, economic & environmental (3E) analysis of inlet fogging for gas turbine power plant," Energy, Elsevier, vol. 36(12), pages 6851-6861.

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