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Hybrid predictive controller for overheating prevention of solar collectors

Author

Listed:
  • de Araújo Elias, Tiago
  • Mendes, Paulo Renato da Costa
  • Normey-Rico, Júlio Elias

Abstract

In this paper, an advanced control algorithm is presented for avoiding fluid overheating when operating solar thermal plants. The control algorithm manipulates the fluid rate to maintain the field output temperature in the desired reference, and defocus the solar collectors when the temperature reaches a maximum limit. Several simulation scenarios are considered for the test of the proposed controller using a lumped parameters model of the solar collectors that has been validated in real plants. A discussion is carried out aiming at analyzing the behavior of the controlled solar plant, and comparing the characteristics and performance of the proposed algorithms.

Suggested Citation

  • de Araújo Elias, Tiago & Mendes, Paulo Renato da Costa & Normey-Rico, Júlio Elias, 2019. "Hybrid predictive controller for overheating prevention of solar collectors," Renewable Energy, Elsevier, vol. 136(C), pages 535-547.
    • Handle: RePEc:eee:renene:v:136:y:2019:i:c:p:535-547
    DOI: 10.1016/j.renene.2019.01.001
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    Citations

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    Cited by:

    1. Brandão, Adriano Silva Martins & da Costa Mendes, Paulo Renato & Normey-Rico, Julio Elias, 2022. "Simplified optical model, aiming strategy and partial defocusing strategy for solar Fresnel collectors," Renewable Energy, Elsevier, vol. 188(C), pages 11-36.
    2. Juan Zhao & Yifei Bai & Botao Zhou & Junmei Gao & Tianwei Qiang & Suqian Yan & Pei Liang, 2022. "Performance Analysis and Optimization of SHS Based on Solar Resources Distribution in Typical Cities in Cold Regions of China," Energies, MDPI, vol. 15(20), pages 1-13, October.
    3. Wang, Jiaxing & Li, Yiguo & Zhang, Junli, 2023. "Coordinated control of concentrated solar power systems with indirect molten salt storage considering operation mode switching: Using switching model predictive control," Energy, Elsevier, vol. 268(C).

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