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Optimal performance evaluation of thermal AGC units based on multi-dimensional feature analysis

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  • Li, Bin
  • Wang, Shuai
  • Li, Botong
  • Li, Hongbo
  • Wu, Jianzhong

Abstract

In modern energy system, automatic generation control (AGC) is the core technology of real-time output regulation for thermal power generator. The performance of thermal AGC units must be accurately evaluated to measure their actual contribution to the energy system. However, based on current conventional evaluation methods, the difficulty of the tasks undertaken by AGC units has not been distinguished and quantified. An optimal performance evaluation method based on multi-dimensional feature analysis is proposed. Firstly, a performance index describing the difference between the expected regulating energy and the actual regulated energy of AGC units is designed, which improves the universality of the evaluation to the actual engineering scenarios. Additionally, after data preprocessing and data cleaning, a sample space is constructed to significantly distinguish the difficulty of tasks performed by AGC units. Finally, a multi-dimensional feature analysis in the sample space is proposed to find the optimal performance points of AGC units. Based on historical data, the proposed methods were verified on real AGC units. The experimental results show that the proposed method obtains detailed evaluation results of thermal AGC units with different control requirements and solves the problem of evaluation failure in traditional method.

Suggested Citation

  • Li, Bin & Wang, Shuai & Li, Botong & Li, Hongbo & Wu, Jianzhong, 2023. "Optimal performance evaluation of thermal AGC units based on multi-dimensional feature analysis," Applied Energy, Elsevier, vol. 339(C).
    • Handle: RePEc:eee:appene:v:339:y:2023:i:c:s0306261923003586
    DOI: 10.1016/j.apenergy.2023.120994
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    References listed on IDEAS

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    1. Muntasir A. Magzoub & Thamer Alquthami, 2022. "Optimal Design of Automatic Generation Control Based on Simulated Annealing in Interconnected Two-Area Power System Using Hybrid PID—Fuzzy Control," Energies, MDPI, vol. 15(4), pages 1-15, February.
    2. Li, Jiawen & Yu, Tao & Zhang, Xiaoshun & Li, Fusheng & Lin, Dan & Zhu, Hanxin, 2021. "Efficient experience replay based deep deterministic policy gradient for AGC dispatch in integrated energy system," Applied Energy, Elsevier, vol. 285(C).
    3. Latif, Abdul & Hussain, S.M. Suhail & Das, Dulal Chandra & Ustun, Taha Selim, 2020. "State-of-the-art of controllers and soft computing techniques for regulated load frequency management of single/multi-area traditional and renewable energy based power systems," Applied Energy, Elsevier, vol. 266(C).
    4. Dong, Zhe & Liu, Miao & Zhang, Zuoyi & Dong, Yujie & Huang, Xiaojin, 2019. "Automatic generation control for the flexible operation of multimodular high temperature gas-cooled reactor plants," Renewable and Sustainable Energy Reviews, Elsevier, vol. 108(C), pages 11-31.
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