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Performance study of a microturbine system for cogeneration application

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  • Ho, J.C.
  • Chua, K.J.
  • Chou, S.K.

Abstract

A microturbine cogeneration system providing electrical power and space cooling to a laboratory space is presented. The system comprises a microturbine, a lithium bromide absorption chiller, heat exchangers and a propane fuel supply system. Results from the performance tests conducted on the cogeneration system showed that the microturbine electrical efficiency was 21% at near full load of 24 kW whilst the chiller operated with COP ranging from 0.5 to 0.58, depending on the electrical output. The overall system efficiency ranged from 40% to 49%. In addition, the performance of the cogeneration system under varying heat load in the cooling space and longer microturbine operating period were also studied.

Suggested Citation

  • Ho, J.C. & Chua, K.J. & Chou, S.K., 2004. "Performance study of a microturbine system for cogeneration application," Renewable Energy, Elsevier, vol. 29(7), pages 1121-1133.
    • Handle: RePEc:eee:renene:v:29:y:2004:i:7:p:1121-1133
    DOI: 10.1016/j.renene.2003.12.005
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    1. Liaw, Kim Leong & Kurnia, Jundika C. & Lai, Wen Kang & Ong, Khai Chuin & Zar, Muhammad Aliff B. Mohd Ali & Muhammad, M. Fadhli B. & Firmansyah,, 2023. "Optimization of a novel impulse gas turbine nozzle and blades design utilizing Taguchi method for micro-scale power generation," Energy, Elsevier, vol. 282(C).
    2. Myat, Aung & Thu, Kyaw & Kim, Young Deuk & Saha, Bidyut Baran & Choon Ng, Kim, 2012. "Entropy generation minimization: A practical approach for performance evaluation of temperature cascaded co-generation plants," Energy, Elsevier, vol. 46(1), pages 493-521.
    3. Amiri Rad, Ehsan & Maddah, Saeed & Mohammadi, Saeed, 2020. "Designing and optimizing a novel cogeneration system for an office building based on thermo-economic and environmental analyses," Renewable Energy, Elsevier, vol. 151(C), pages 342-354.
    4. de Beer, J.H. & le Roux, W.G. & Sciacovelli, A. & Meyer, J.P., 2023. "Effect of a novel cooling window on a recuperated solar-dish Brayton cycle," Renewable Energy, Elsevier, vol. 208(C), pages 465-480.
    5. Chua, K.J. & Yang, W.M. & Wong, T.Z. & Ho, C.A., 2012. "Integrating renewable energy technologies to support building trigeneration – A multi-criteria analysis," Renewable Energy, Elsevier, vol. 41(C), pages 358-367.
    6. Konečná, Eva & Teng, Sin Yong & Máša, Vítězslav, 2020. "New insights into the potential of the gas microturbine in microgrids and industrial applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 134(C).
    7. Chris Underwood & Bobo Ng & Francis Yik, 2015. "Scheduling of Multiple Chillers in Trigeneration Plants," Energies, MDPI, vol. 8(10), pages 1-25, October.
    8. Verstraete, Dries & Bowkett, Carlos, 2015. "Impact of heat transfer on the performance of micro gas turbines," Applied Energy, Elsevier, vol. 138(C), pages 445-449.
    9. Jannelli, E. & Minutillo, M. & Cozzolino, R. & Falcucci, G., 2014. "Thermodynamic performance assessment of a small size CCHP (combined cooling heating and power) system with numerical models," Energy, Elsevier, vol. 65(C), pages 240-249.
    10. Stathopoulos, P. & Paschereit, C.O., 2015. "Retrofitting micro gas turbines for wet operation. A way to increase operational flexibility in distributed CHP plants," Applied Energy, Elsevier, vol. 154(C), pages 438-446.
    11. Chua, K.J. & Chou, S.K. & Yang, W.M. & Yan, J., 2013. "Achieving better energy-efficient air conditioning – A review of technologies and strategies," Applied Energy, Elsevier, vol. 104(C), pages 87-104.
    12. Włodarski, Wojciech, 2018. "Experimental investigations and simulations of the microturbine unit with permanent magnet generator," Energy, Elsevier, vol. 158(C), pages 59-71.
    13. Rachtan, W. & Malinowski, L., 2013. "An approximate expression for part-load performance of a microturbine combined heat and power system heat recovery unit," Energy, Elsevier, vol. 51(C), pages 146-153.
    14. Delattin, Frank & Bram, Svend & Knoops, Sofie & De Ruyck, Jacques, 2008. "Effects of steam injection on microturbine efficiency and performance," Energy, Elsevier, vol. 33(2), pages 241-247.
    15. Macedo, Wilson N. & Monteiro, Luís G. & Corgozinho, Ivan M. & Macêdo, Emanuel N. & Rendeiro, Gonçalo & Braga, Wilson & Bacha, Lucas, 2016. "Biomass based microturbine system for electricity generation for isolated communities in amazon region," Renewable Energy, Elsevier, vol. 91(C), pages 323-333.
    16. Flores, Robert J. & Shaffer, Brendan P. & Brouwer, Jacob, 2014. "Dynamic distributed generation dispatch strategy for lowering the cost of building energy," Applied Energy, Elsevier, vol. 123(C), pages 196-208.
    17. Thu, Kyaw & Saha, Bidyut Baran & Chua, Kian Jon & Bui, Thuan Duc, 2016. "Thermodynamic analysis on the part-load performance of a microturbine system for micro/mini-CHP applications," Applied Energy, Elsevier, vol. 178(C), pages 600-608.

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