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Study on Outlet Temperature Control of External Receiver for Solar Power Tower

Author

Listed:
  • Qiang Zhang

    (Key Laboratory of Condition Monitoring and Control for Power Plant Equipment (North China Electric Power University), Ministry of Education, Beijing 102206, China)

  • Kaijun Jiang

    (Key Laboratory of Condition Monitoring and Control for Power Plant Equipment (North China Electric Power University), Ministry of Education, Beijing 102206, China)

  • Yanqiang Kong

    (Key Laboratory of Condition Monitoring and Control for Power Plant Equipment (North China Electric Power University), Ministry of Education, Beijing 102206, China)

  • Jiangbo Wu

    (School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou 730050, China)

  • Xiaoze Du

    (Key Laboratory of Condition Monitoring and Control for Power Plant Equipment (North China Electric Power University), Ministry of Education, Beijing 102206, China
    School of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou 730050, China)

Abstract

Due to the change of direct normal irradiance (DNI) and the change of output power load, the receiver of the solar tower is in an unstable state in the actual operation. In this paper, a 100 MW external cylindric receiver is designed and modelled. The dynamic and comprehensive model is established for the receiver, including the thermal and mechanical equations. The temperature control strategy is applied to the receiver model. The validity of the control strategy is verified by disturbance experiments, including DNI, the inlet temperature of the heat transfer fluid (HTF), and the weather data on a cloudy day. The response characteristics of the receiver are demonstrated. Its thermal lag characteristics and restraining effect on the fluctuating environment are revealed. The dangerous occasion of the receiver during operation are detected, including the overheat of the local panel, and the dissociation point of the molten salt. Both the robustness and the deficiency of the control strategy of the receiver are pointed out. The research results will contribute to the control strategy formulation of the SPT (solar power tower) station.

Suggested Citation

  • Qiang Zhang & Kaijun Jiang & Yanqiang Kong & Jiangbo Wu & Xiaoze Du, 2021. "Study on Outlet Temperature Control of External Receiver for Solar Power Tower," Energies, MDPI, vol. 14(2), pages 1-18, January.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:2:p:340-:d:477540
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    References listed on IDEAS

    as
    1. Zhang, Qiang & Cao, Donghong & Ge, Zhihua & Du, Xiaoze, 2020. "Response characteristics of external receiver for concentrated solar power to disturbance during operation," Applied Energy, Elsevier, vol. 278(C).
    2. Wang, Wen-Qi & Qiu, Yu & Li, Ming-Jia & He, Ya-Ling & Cheng, Ze-Dong, 2020. "Coupled optical and thermal performance of a fin-like molten salt receiver for the next-generation solar power tower," Applied Energy, Elsevier, vol. 272(C).
    3. Zhang, Qiangqiang & Li, Xin & Wang, Zhifeng & Zhang, Jinbai & El-Hefni, Baligh & Xu, Li, 2015. "Modeling and simulation of a molten salt cavity receiver with Dymola," Energy, Elsevier, vol. 93(P2), pages 1373-1384.
    4. Yang, Minlin & Yang, Xiaoxi & Yang, Xiaoping & Ding, Jing, 2010. "Heat transfer enhancement and performance of the molten salt receiver of a solar power tower," Applied Energy, Elsevier, vol. 87(9), pages 2808-2811, September.
    5. Heide, Dominik & Greiner, Martin & von Bremen, Lüder & Hoffmann, Clemens, 2011. "Reduced storage and balancing needs in a fully renewable European power system with excess wind and solar power generation," Renewable Energy, Elsevier, vol. 36(9), pages 2515-2523.
    6. Zhang, Qiangqiang & Li, Xin & Wang, Zhifeng & Li, Zhi & Liu, Hong, 2018. "Function testing and failure analysis of control system for molten salt receiver system," Renewable Energy, Elsevier, vol. 115(C), pages 260-268.
    7. Hsieh, I-Yun Lisa & Pan, Menghsuan Sam & Chiang, Yet-Ming & Green, William H., 2019. "Learning only buys you so much: Practical limits on battery price reduction," Applied Energy, Elsevier, vol. 239(C), pages 218-224.
    8. Yu, Qiang & Fu, Peng & Yang, Yihui & Qiao, Jiafei & Wang, Zhifeng & Zhang, Qiangqiang, 2020. "Modeling and parametric study of molten salt receiver of concentrating solar power tower plant," Energy, Elsevier, vol. 200(C).
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    Cited by:

    1. Marco Milanese & Gianpiero Colangelo & Arturo de Risi, 2021. "Development of a High-Flux Solar Simulator for Experimental Testing of High-Temperature Applications," Energies, MDPI, vol. 14(11), pages 1-18, May.

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