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Dynamic Equivalent Modeling for Small and Medium Hydropower Generator Group Based on Measurements

Author

Listed:
  • Bowei Hu

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Jingtao Sun

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Lijie Ding

    (Sichuan Electric Power Research Institute, Chengdu 610072, China)

  • Xinyu Liu

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

  • Xiaoru Wang

    (School of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China)

Abstract

At present, the common practice in the power system of China is to represent the small and medium hydropower generator group as a negative load. This paper presents a method to build a dynamic equivalent model of the hydropower generator group using a 3rd order generator model and a static characteristic load model. Based on phasor measurements in the tie line which connects to the modeled hydropower generator group, the dynamic multi-swarm particle swarm optimizer (DMS-PSO) algorithm is used to obtain parameters of the equivalent model. The proposed method is verified in the small and medium hydropower generator group of Sichuan power grid with both simulation and actual data. The results show that the dynamic responses and the transient stability are consistent before and after the equivalence. The proposed method can be used for modeling a group of small and medium hydropower generators whose structures and parameters are unknown.

Suggested Citation

  • Bowei Hu & Jingtao Sun & Lijie Ding & Xinyu Liu & Xiaoru Wang, 2016. "Dynamic Equivalent Modeling for Small and Medium Hydropower Generator Group Based on Measurements," Energies, MDPI, vol. 9(5), pages 1-14, May.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:5:p:362-:d:69900
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    Citations

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    Cited by:

    1. Jiaxin Yu & Jun Wang, 2020. "Optimization Design of a Rain-Power Utilization System Based on a Siphon and Its Application in a High-Rise Building," Energies, MDPI, vol. 13(18), pages 1-18, September.
    2. Ying-Yi Hong, 2016. "Electric Power Systems Research," Energies, MDPI, vol. 9(10), pages 1-4, October.
    3. Bilgili, Mehmet & Bilirgen, Harun & Ozbek, Arif & Ekinci, Firat & Demirdelen, Tugce, 2018. "The role of hydropower installations for sustainable energy development in Turkey and the world," Renewable Energy, Elsevier, vol. 126(C), pages 755-764.
    4. Yang Xiao & Libing Zhou & Jin Wang & Rui Yang, 2017. "Finite Element Computation of Transient Parameters of a Salient-Pole Synchronous Machine," Energies, MDPI, vol. 10(7), pages 1-18, July.

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