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Supplementary Control of Air–Fuel Ratio Using Dynamic Matrix Control for Thermal Power Plant Emission

Author

Listed:
  • Taehyun Lee

    (School of Mechanical System Engineering, ChungAng University, HukSuk-dong DongJak-Gu, Seoul 06974, Korea)

  • Eungsu Han

    (School of Electrical and Electronics Engineering, ChungAng University, HukSuk-dong DongJak-Gu, Seoul 06974, Korea)

  • Un-Chul Moon

    (School of Electrical and Electronics Engineering, ChungAng University, HukSuk-dong DongJak-Gu, Seoul 06974, Korea)

  • Kwang Y. Lee

    (Department of Electrical and Computer Engineering, Baylor University, Waco, TX 76798-7356, USA)

Abstract

This paper proposes a supplementary control for tighter control of the air–fuel ratio (AFR), which directly affects the environmental emissions of thermal power plants. Dynamic matrix control (DMC) is applied to the supplementary control of the existing combustion control loops and the conventional double cross limiting algorithm for combustion safety is formulated as constraints in the proposed DMC. The proposed supplementary control is simulated for a 600-MW drum-type power plant and 1000 MW ultra-supercritical once-through boiler power plant. The results show the tight control of the AFR in both types of thermal power plants to reduce environmental emissions.

Suggested Citation

  • Taehyun Lee & Eungsu Han & Un-Chul Moon & Kwang Y. Lee, 2020. "Supplementary Control of Air–Fuel Ratio Using Dynamic Matrix Control for Thermal Power Plant Emission," Energies, MDPI, vol. 13(1), pages 1-15, January.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:1:p:226-:d:304652
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    References listed on IDEAS

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    1. Li, Sen & Xu, Tongmo & Hui, Shien & Wei, Xiaolin, 2009. "NOx emission and thermal efficiency of a 300Â MWe utility boiler retrofitted by air staging," Applied Energy, Elsevier, vol. 86(9), pages 1797-1803, September.
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    Cited by:

    1. Omar Mohamed & Ashraf Khalil & Jihong Wang, 2020. "Modeling and Control of Supercritical and Ultra-Supercritical Power Plants: A Review," Energies, MDPI, vol. 13(11), pages 1-23, June.
    2. Shi, Yao & Lin, Runze & Wu, Xialai & Zhang, Zhiming & Sun, Pei & Xie, Lei & Su, Hongye, 2022. "Dual-mode fast DMC algorithm for the control of ORC based waste heat recovery system," Energy, Elsevier, vol. 244(PA).
    3. Mohammad Qasem & Omar Mohamed & Wejdan Abu Elhaija, 2022. "Parameter Identification and Sliding Pressure Control of a Supercritical Power Plant Using Whale Optimizer," Sustainability, MDPI, vol. 14(13), pages 1-25, June.

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