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Performance assessment of hybrid solar energy and coal-fired power plant based on feed-water preheating

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  • Hong, Hui
  • Peng, Shuo
  • Zhang, Hao
  • Sun, Jie
  • Jin, Hongguang

Abstract

Hybridizing solar energy and coal-fired steam power plant is one of most attractive approaches of cost-efficient solar electricity in the present. By using the concentrated solar heat at around 300 °C to replace the bleed steam of the turbine for preheating feed-water of coal-fired steam cycle, higher solar-to-power efficiency is possibly achieved in that the conversion of solar to power can utilize higher-temperature steam cycle. In this paper, with the aid of exergy methodology, we derive expressions of the conversion of solar energy into power for such kind of solar hybrid plant, especially an explicit correlation is obtained for explaining solar-to-power efficiency. By using the derived expressions, we examine a typical hybrid solar system with 330 MW coal-fired power plant and evaluate thermal performance of solar-to-power. In addition, the influences of key operation parameters on the solar thermal performance are disclosed such as solar irradiation, incident angle and turbine load. The results obtained here would be expected to provide a possibility for designing and evaluating practical hybrid solar and coal-fired power plant.

Suggested Citation

  • Hong, Hui & Peng, Shuo & Zhang, Hao & Sun, Jie & Jin, Hongguang, 2017. "Performance assessment of hybrid solar energy and coal-fired power plant based on feed-water preheating," Energy, Elsevier, vol. 128(C), pages 830-838.
    • Handle: RePEc:eee:energy:v:128:y:2017:i:c:p:830-838
    DOI: 10.1016/j.energy.2017.04.050
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    References listed on IDEAS

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    1. Peng, Shuo & Hong, Hui & Wang, Yanjuan & Wang, Zhaoguo & Jin, Hongguang, 2014. "Off-design thermodynamic performances on typical days of a 330MW solar aided coal-fired power plant in China," Applied Energy, Elsevier, vol. 130(C), pages 500-509.
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    4. Jiang, Yue & Duan, Liqiang & Pang, Liping & Song, Jifeng, 2021. "Thermal performance study of tower solar aided double reheat coal-fired power generation system," Energy, Elsevier, vol. 230(C).
    5. Wang, Di & Han, Xinrui & Li, Haoyu & Li, Xiaoli, 2023. "Dynamic simulation and parameter analysis of solar-coal hybrid power plant based on the supercritical CO2 Brayton cycle," Energy, Elsevier, vol. 272(C).
    6. Jun Zhao & Kun Yang, 2020. "Analysis of CO 2 Abatement Cost of Solar Energy Integration in a Solar-Aided Coal-Fired Power Generation System in China," Sustainability, MDPI, vol. 12(16), pages 1-17, August.
    7. Kamath, Harsh G. & Majumdar, Rudrodip & Krishnan, A.V. & Srikanth, R., 2022. "Cost and environmental benefits of coal-concentrated solar power (CSP) hybridization in India," Energy, Elsevier, vol. 240(C).
    8. Li, Chao & Yang, Zhiping & Zhai, Rongrong & Yang, Yongping & Patchigolla, Kumar & Oakey, John E., 2018. "Off-design thermodynamic performances of a solar tower aided coal-fired power plant for different solar multiples with thermal energy storage," Energy, Elsevier, vol. 163(C), pages 956-968.
    9. Shagdar, Enkhbayar & Lougou, Bachirou Guene & Shuai, Yong & Anees, Junaid & Damdinsuren, Chimedsuren & Tan, Heping, 2020. "Performance analysis and techno-economic evaluation of 300 MW solar-assisted power generation system in the whole operation conditions," Applied Energy, Elsevier, vol. 264(C).
    10. Li, Jianlan & Xin, Yu & Hu, Bo & Zeng, Kuo & Wu, Zhiyi & Fan, Shiwang & Li, Yuanyuan & Chen, Yongzhao & Wang, Shunjiang & Wang, Jizhou & Min, Yong & Li, Jun & Flamant, Gilles, 2021. "Safety and thermal efficiency performance assessment of solar aided coal-fired power plant based on turbine steam double reheat," Energy, Elsevier, vol. 226(C).
    11. Wang, Gang & He, Dongyou & Wang, Fasi & Chen, Zeshao, 2024. "Design and performance estimate of a novel linear fresnel reflector solar-gas combined system for producing electricity and hydrogen," Renewable Energy, Elsevier, vol. 227(C).
    12. Wu, Yunna & Xu, Chuanbo & Zhang, Buyuan & Tao, Yao & Li, Xinying & Chu, Han & Liu, Fangtong, 2019. "Sustainability performance assessment of wind power coupling hydrogen storage projects using a hybrid evaluation technique based on interval type-2 fuzzy set," Energy, Elsevier, vol. 179(C), pages 1176-1190.
    13. Han, Yu & Sun, Yingying & Wu, Junjie, 2023. "A novel solar-driven waste heat recovery system in solar-fuel hybrid power plants," Energy, Elsevier, vol. 285(C).
    14. Huang, Chang & Hou, Hongjuan & Hu, Eric & Yu, Gang & Chen, Si & Yang, Yongping, 2020. "Measures to reduce solar energy dumped in a solar aided power generation plant," Applied Energy, Elsevier, vol. 258(C).

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