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Electromechanical Transient Modeling and Control Strategy of Decentralized Hybrid HVDC Systems

Author

Listed:
  • Guoteng Wang

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Huangqing Xiao

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
    Department of Electrical Engineering and Computer Science, The University of Tennessee, Knoxville, TN 37201, USA)

  • Liang Xiao

    (China Southern Grid Power Dispatching and Control Center, Guangzhou 510000, China)

  • Zheren Zhang

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

  • Zheng Xu

    (College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

Abstract

This paper studies the electromechanical transient model and the control strategy of line commutated converter (LCC) and modular multilevel converter (MMC) based decentralized hybrid High Voltage Direct Current (HVDC) Transmission systems. The decentralized hybrid HVDC system is a new type of topology, and the related electromechanical transient model and control strategy have not been studied well. In this paper, the electromechanical transient model of a decentralized hybrid HVDC system is devloped through mathematical deduction. This model can be easily implemented in electromechanical transient simulation software and meet the time domain simulation requirements of large-scale systems. Then, in order to ensure the safe absorption of the DC power under various conditions, an optimal power flow model considering the decentralized hybrid HVDC system is proposed. Finally, the electromechanical transient model proposed in this paper is verified by the electromagnetic transient model, and the control strategy is validated in a modified New England 39-bus system.

Suggested Citation

  • Guoteng Wang & Huangqing Xiao & Liang Xiao & Zheren Zhang & Zheng Xu, 2019. "Electromechanical Transient Modeling and Control Strategy of Decentralized Hybrid HVDC Systems," Energies, MDPI, vol. 12(15), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:15:p:2856-:d:251380
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    References listed on IDEAS

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    1. Liang Xiao & Yan Li & Huangqing Xiao & Zheren Zhang & Zheng Xu, 2018. "Electromechanical Transient Modeling of Line Commutated Converter-Modular Multilevel Converter-Based Hybrid Multi-Terminal High Voltage Direct Current Transmission Systems," Energies, MDPI, vol. 11(8), pages 1-18, August.
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    Cited by:

    1. Cleiton M. Freitas & Edson H. Watanabe & Luís F. C. Monteiro, 2023. "d-q Small-Signal Model for Grid-Forming MMC and Its Application in Electromagnetic-Transient Simulations," Energies, MDPI, vol. 16(5), pages 1-22, February.

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