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The Influence of VSC–HVDC Reactive Power Control Mode on AC Power System Stability

Author

Listed:
  • Ying Wang

    (State Grid Hubei Electric Power Research Institute, Wuhan 430077, China)

  • Youbin Zhou

    (State Grid Hubei Electric Power Research Institute, Wuhan 430077, China)

  • Dahu Li

    (State Grid Hubei Electric Power Co., Ltd, Wuhan 430077, China)

  • Dejun Shao

    (Central China Branch of State Grid Corporation of China, Wuhan 430077, China)

  • Kan Cao

    (State Grid Hubei Electric Power Research Institute, Wuhan 430077, China)

  • Kunpeng Zhou

    (State Grid Hubei Electric Power Research Institute, Wuhan 430077, China)

  • Defu Cai

    (State Grid Hubei Electric Power Research Institute, Wuhan 430077, China)

Abstract

Voltage source converter-based high-voltage direct current (VSC-HVDC) has the advantage of fast and independent controllability on active and reactive power. This paper focuses on effects of commonly proposed reactive power control modes, constant reactive power control and AC voltage margin control. Based on the mathematical model of single machine infinity equivalent system with embedded VSC-HVDC, the influence of VSC-HVDC with different reactive power control strategies on transient stability and dynamic stability of the AC system is studied. Then case studies were conducted with a realistic model of grid. The dynamic responses of AC/DC systems for different VSC-HVDC reactive power control modes were compared in detail. It is shown that compared to constant reactive power control, AC voltage margin control can provide voltage support to enhance the transient angle stability of an AC system. However, the fluctuant reactive power injected into a weak AC system may adversely affect power system oscillation damping for VSC-HVDC with AC voltage margin control, if the parameters of the controller have not been optimized to suppress the low-frequency oscillation. The results of this paper can provide certain reference for the decision of an appropriate VSC-HVDC reactive power control mode in practice.

Suggested Citation

  • Ying Wang & Youbin Zhou & Dahu Li & Dejun Shao & Kan Cao & Kunpeng Zhou & Defu Cai, 2020. "The Influence of VSC–HVDC Reactive Power Control Mode on AC Power System Stability," Energies, MDPI, vol. 13(7), pages 1-11, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:7:p:1677-:d:340796
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    Citations

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    Cited by:

    1. Lasantha Meegahapola & Alfeu Sguarezi & Jack Stanley Bryant & Mingchen Gu & Eliomar R. Conde D. & Rafael B. A. Cunha, 2020. "Power System Stability with Power-Electronic Converter Interfaced Renewable Power Generation: Present Issues and Future Trends," Energies, MDPI, vol. 13(13), pages 1-35, July.
    2. Antonio T. Alexandridis, 2020. "Modern Power System Dynamics, Stability and Control," Energies, MDPI, vol. 13(15), pages 1-8, July.
    3. Tarek Abedin & M. Shahadat Hossain Lipu & Mahammad A. Hannan & Pin Jern Ker & Safwan A. Rahman & Chong Tak Yaw & Sieh K. Tiong & Kashem M. Muttaqi, 2021. "Dynamic Modeling of HVDC for Power System Stability Assessment: A Review, Issues, and Recommendations," Energies, MDPI, vol. 14(16), pages 1-25, August.
    4. Duc Nguyen Huu, 2021. "A Novel Adaptive Control Approach Based on Available Headroom of the VSC-HVDC for Enhancement of the AC Voltage Stability," Energies, MDPI, vol. 14(11), pages 1-30, May.

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