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A CO2-capturing hybrid power-generation system with highly efficient use of solar thermal energy

Author

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  • Pak, Pyong Sik
  • Suzuki, Yutaka
  • Kosugi, Takanobu

Abstract

Characteristics have been investigated for the proposed system. Saturated steam is produced at a relatively low temperature and is used as the working fluid for a methane-fired gas-turbine system. The solar thermal utilization efficiency is considerably higher than that for conventional solar thermal power plants in which superheated steam near 670 K is used. The proposed hybrid system recovers generated CO2 during combustion with oxygen. Characteristics of the system with 10,000 m2 collector area were estimated on the basis of a computer simulation model. The net generated power was 1.55 MW, the capacity factor 21.5% and the total exergetic efficiency 20.9% when the temperature of the saturated steam is 496 K. Based on the consumed fuel, the net thermal system efficiency is 63.7%.

Suggested Citation

  • Pak, Pyong Sik & Suzuki, Yutaka & Kosugi, Takanobu, 1997. "A CO2-capturing hybrid power-generation system with highly efficient use of solar thermal energy," Energy, Elsevier, vol. 22(2), pages 295-299.
    • Handle: RePEc:eee:energy:v:22:y:1997:i:2:p:295-299
    DOI: 10.1016/S0360-5442(96)00115-6
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    Citations

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    Cited by:

    1. Gou, Chenhua & Cai, Ruixian & Hong, Hui, 2007. "A novel hybrid oxy-fuel power cycle utilizing solar thermal energy," Energy, Elsevier, vol. 32(9), pages 1707-1714.
    2. Gunasekaran, S. & Mancini, N.D. & El-Khaja, R. & Sheu, E.J. & Mitsos, A., 2014. "Solar–thermal hybridization of advanced zero emissions power cycle," Energy, Elsevier, vol. 65(C), pages 152-165.
    3. Pak, Pyong Sik & Lee, Young Duk & Ahn, Kook Young, 2010. "Characteristics and economic evaluation of a power plant applying oxy-fuel combustion to increase power output and decrease CO2 emission," Energy, Elsevier, vol. 35(8), pages 3230-3238.
    4. Yue, Ting & Lior, Noam, 2018. "Thermal hybrid power systems using multiple heat sources of different temperature: Thermodynamic analysis for Brayton cycles," Energy, Elsevier, vol. 165(PA), pages 639-665.
    5. Pak, Pyong Sik & Lee, Young Duk & Ahn, Kook Young, 2009. "Characteristics and economic evaluation of a CO2-capturing repowering system with oxy-fuel combustion for utilizing exhaust gas of molten carbonate fuel cell (MCFC)," Energy, Elsevier, vol. 34(11), pages 1903-1909.
    6. Jamel, M.S. & Abd Rahman, A. & Shamsuddin, A.H., 2013. "Advances in the integration of solar thermal energy with conventional and non-conventional power plants," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 71-81.
    7. Behar, Omar & Khellaf, Abdallah & Mohammedi, Kamal, 2013. "A review of studies on central receiver solar thermal power plants," Renewable and Sustainable Energy Reviews, Elsevier, vol. 23(C), pages 12-39.
    8. Li, Chunxi & Guo, Shiqi & Ye, Xuemin & Fu, Wenfeng, 2019. "Performance and thermoeconomics of solar-aided double-reheat coal-fired power systems with carbon capture," Energy, Elsevier, vol. 177(C), pages 1-15.
    9. Ye, Xuemin & Wang, Jia & Li, Chunxi, 2016. "Performance and emission reduction potential of renewable energy aided coal-fired power generation systems," Energy, Elsevier, vol. 113(C), pages 966-979.
    10. Yamani, Noureddine & Khellaf, Abdallah & Mohammedi, Kamal & Behar, Omar, 2017. "Assessment of solar thermal tower technology under Algerian climate," Energy, Elsevier, vol. 126(C), pages 444-460.

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