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Simulated performance analysis of a solar aided power generation plant in fuel saving operation mode

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  • Zhang, Nan
  • Hou, Hongjuan
  • Yu, Gang
  • Hu, Eric
  • Duan, Liqiang
  • Zhao, Jin

Abstract

Solar aided (coal-fired) power generation (SAPG) system has been proved to be an efficient way to utilize the solar energy for power generation. Due to the instability of the solar radiation, a SAPG system generally operates under transient working conditions. In this paper, performance simulation sub-models of main components in a SAPG plant are established based on the lumped parameter assumption. A 330 MW SAPG power plant as a case study is simulated. The variations of the performances, main parameters of the plant with the solar field heat output and the dynamic responses under a typical day are analyzed. The results show that when the heat output of the solar field changes from 0 kJ/h to 2.13 × 108 kJ/h, the coal saving rate will increase to 6.4%, and the solar power generation share (the proportion of the power from the solar energy to the total power from the SAPG plant) will increase to 7.74%. During the analysis process, in order to optimize the solar field, the concept of the solar field equivalent efficiency (SFEE) is proposed and the optimal velocity of heat transfer fluid (HTF) in absorber tube is obtained.

Suggested Citation

  • Zhang, Nan & Hou, Hongjuan & Yu, Gang & Hu, Eric & Duan, Liqiang & Zhao, Jin, 2019. "Simulated performance analysis of a solar aided power generation plant in fuel saving operation mode," Energy, Elsevier, vol. 166(C), pages 918-928.
    • Handle: RePEc:eee:energy:v:166:y:2019:i:c:p:918-928
    DOI: 10.1016/j.energy.2018.10.014
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    References listed on IDEAS

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    1. Huang, Chang & Hou, Hongjuan & Hu, Eric & Liang, Mingyu & Yang, Yongping, 2017. "Impact of power station capacities and sizes of solar field on the performance of solar aided power generation," Energy, Elsevier, vol. 139(C), pages 667-679.
    2. Hou, Hongjuan & Xu, Zhang & Yang, Yongping, 2016. "An evaluation method of solar contribution in a solar aided power generation (SAPG) system based on exergy analysis," Applied Energy, Elsevier, vol. 182(C), pages 1-8.
    3. Wu, Junjie & Hou, Hongjuan & Yang, Yongping & Hu, Eric, 2015. "Annual performance of a solar aided coal-fired power generation system (SACPG) with various solar field areas and thermal energy storage capacity," Applied Energy, Elsevier, vol. 157(C), pages 123-133.
    4. Dersch, Jürgen & Geyer, Michael & Herrmann, Ulf & Jones, Scott A. & Kelly, Bruce & Kistner, Rainer & Ortmanns, Winfried & Pitz-Paal, Robert & Price, Henry, 2004. "Trough integration into power plants—a study on the performance and economy of integrated solar combined cycle systems," Energy, Elsevier, vol. 29(5), pages 947-959.
    5. 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.
    6. Hu, Eric & Yang, YongPing & Nishimura, Akira & Yilmaz, Ferdi & Kouzani, Abbas, 2010. "Solar thermal aided power generation," Applied Energy, Elsevier, vol. 87(9), pages 2881-2885, September.
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    Cited by:

    1. Yan, Hui & Chong, Daotong & Wang, Zhu & Liu, Ming & Zhao, Yongliang & Yan, Junjie, 2022. "Dynamic performance enhancement of solar-aided coal-fired power plant by control strategy optimization with solar/coal-to-power conversion characteristics," Energy, Elsevier, vol. 244(PA).
    2. Vinod Kumar & Liqiang Duan, 2021. "Off-Design Dynamic Performance Analysis of a Solar Aided Coal-Fired Power Plant," Energies, MDPI, vol. 14(10), pages 1-16, May.
    3. 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).
    4. Qin, Jiyun & Zhang, Qinglei & Hu, Eric & Duan, Jianguo & Zhou, Ying & Zhang, Hongsheng, 2022. "Optimisation of Solar Aided Power Generation plant with storage system adopting two non-displaced extraction steam operation strategies," Energy, Elsevier, vol. 239(PA).
    5. Han, Yu & Sun, Yingying & Wu, Junjie, 2020. "An efficient solar-aided waste heat recovery system based on steam ejector and WTA pre-drying in solar/lignite hybrid power plants," Energy, Elsevier, vol. 208(C).
    6. 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).
    7. Huang, Chang & Madonski, Rafal & Zhang, Qi & Yan, Yixian & Zhang, Nan & Yang, Yongping, 2022. "On the use of thermal energy storage in solar-aided power generation systems," Applied Energy, Elsevier, vol. 310(C).
    8. Zhang, Zuxian & Duan, Liqiang & Wang, Zhen & Ren, Yujie, 2022. "General performance evaluation method of integrated solar combined cycle (ISCC) system," Energy, Elsevier, vol. 240(C).
    9. Zhang, Nan & Yu, Gang & Huang, Chang & Duan, Liqiang & Hou, Hongjuan & Hu, Eric & Ding, Zeyu & Wang, Jianhua, 2020. "Full-day dynamic characteristics analysis of a solar aided coal-fired power plant in fuel saving mode," Energy, Elsevier, vol. 208(C).
    10. Liu, Hongtao & Zhai, Rongrong & Patchigolla, Kumar & Turner, Peter & Yang, Yongping, 2020. "Performance analysis of a novel combined solar trough and tower aided coal-fired power generation system," Energy, Elsevier, vol. 201(C).

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