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Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines

Author

Listed:
  • Benfeng Gao

    (Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China)

  • Ruixue Zhang

    (Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China)

  • Ren Li

    (Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China)

  • Hongyang Yu

    (State Key Laboratory of Advanced Power Transmission Technology (Global Energy Interconnection Research Institute), Beijing 102209, China)

  • Guoliang Zhao

    (State Key Laboratory of Advanced Power Transmission Technology (Global Energy Interconnection Research Institute), Beijing 102209, China)

Abstract

High-voltage direct current (HVDC) lines with line-commutated converter (LCC) are being increasingly employed to transmit bulk wind power over long distance. However, this may cause the sub-synchronous torsional interaction (SSTI) between the wind farms and the LCC-HVDC system. The SSTI characteristics of wind farms with fixed-speed induction generator (FSIG) wind turbines connected to LCC-HVDC are investigated in this paper. To simplify the calculations, a modular modeling method is proposed for building the small-signal mathematical model of the investigated system. Small-signal analysis, participation factor analysis, and impact of dominant factors analysis are then applied to investigate the SSTI characteristics under different operating conditions. Three oscillation modes associated with the SSTI are identified in the entire system through small-signal and participation factor analysis, comprising two torsional modes and an electromechanical mode. Impact of dominant factors analysis shows that the system becomes less stable as the wind farm capacity grows and the distance between FSIG wind farm and the rectifier station increases. Moreover, the above analysis suggests that wind farms with FSIG connected to LCC-HVDC lines may not cause unstable SSTI. The electromagnetic transient simulations based on PSCAD/EMTDC (Power Systems Computer-Aided Design/Electromagnetic Transients including DC) verify these results.

Suggested Citation

  • Benfeng Gao & Ruixue Zhang & Ren Li & Hongyang Yu & Guoliang Zhao, 2017. "Subsynchronous Torsional Interaction of Wind Farms with FSIG Wind Turbines Connected to LCC-HVDC Lines," Energies, MDPI, vol. 10(9), pages 1-18, September.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:9:p:1435-:d:112288
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    Citations

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    Cited by:

    1. Jaesik Kang, 2022. "Comprehensive Analysis of Transient Overvoltage Phenomena for Metal-Oxide Varistor Surge Arrester in LCC-HVDC Transmission System with Special Protection Scheme," Energies, MDPI, vol. 15(19), pages 1-17, September.
    2. Lorenzo Bongini & Rosa Anna Mastromauro & Daniele Sgrò & Fabrizio Malvaldi, 2020. "Electrical Damping Assessment and Stability Considerations for a Highly Electrified Liquefied Natural Gas Plant," Energies, MDPI, vol. 13(10), pages 1-27, May.
    3. Yangyang He & Xiaodong Zheng & Nengling Tai & Junxian Hou & Wentao Huang, 2018. "Research on the Inductance/Capacitance Switch Model for an LCC-HVDC Converter in an AC/DC Hybrid Grid," Energies, MDPI, vol. 11(4), pages 1-15, March.
    4. Ukashatu Abubakar & Saad Mekhilef & Hazlie Mokhlis & Mehdi Seyedmahmoudian & Ben Horan & Alex Stojcevski & Hussain Bassi & Muhyaddin Jamal Hosin Rawa, 2018. "Transient Faults in Wind Energy Conversion Systems: Analysis, Modelling Methodologies and Remedies," Energies, MDPI, vol. 11(9), pages 1-33, August.
    5. Lorenzo Bongini & Rosa Anna Mastromauro & Daniele Sgrò & Fabrizio Malvaldi, 2021. "Phase-Controlled Thyristor Sub-Synchronous Damper Converter for a Liquefied Natural Gas Plant," Energies, MDPI, vol. 14(17), pages 1-17, August.

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