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Coordinated Control of a Doubly-Fed Induction Generator-Based Wind Farm and a Static Synchronous Compensator for Low Voltage Ride-through Grid Code Compliance during Asymmetrical Grid Faults

Author

Listed:
  • Zhong Zheng

    (Tsinghua National Laboratory for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, China)

  • Geng Yang

    (Tsinghua National Laboratory for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, China)

  • Hua Geng

    (Tsinghua National Laboratory for Information Science and Technology, Department of Automation, Tsinghua University, Beijing 100084, China)

Abstract

This paper aims to explore a viable solution for a doubly-fed induction generator (DFIG)-based wind farm to meet the reactive support requirement of the low voltage ride-through (LVRT) grid code with safe grid-connected operation during asymmetrical grid faults. First, the control scheme for the DFIG-based wind energy conversion system (WECS) is designed. Then, the controllability issue is analyzed by means of an optimal method, and the derived controllable regions indicate that the DFIG-based WECS can only remain controllable under mild asymmetrical fault situations. Afterwards, the static synchronous compensator (STATCOM) is introduced as extra equipment to ensure that the DFIG-based wind farm remains controllable under severe asymmetrical fault situations. For this purpose, a voltage compensation control scheme and a corresponding capacity matching method for the STATCOM are proposed. The simulation results verify that, with the proposed coordinated control between the DFIG-based wind farm and the STATCOM, the required positive-sequence reactive current can be supplied to support the power grid. The oscillations on the electromagnetic torque and direct current (DC)-link voltage of the DFIG-based WECS can also be eliminated. Therefore, the control scheme can be helpful to improve the reliability of both the wind farm and the power system during grid faults.

Suggested Citation

  • Zhong Zheng & Geng Yang & Hua Geng, 2013. "Coordinated Control of a Doubly-Fed Induction Generator-Based Wind Farm and a Static Synchronous Compensator for Low Voltage Ride-through Grid Code Compliance during Asymmetrical Grid Faults," Energies, MDPI, vol. 6(9), pages 1-22, September.
    • Handle: RePEc:gam:jeners:v:6:y:2013:i:9:p:4660-4681:d:28638
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    References listed on IDEAS

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    1. Hu, Jiabing & He, Yikang, 2011. "DFIG wind generation systems operating with limited converter rating considered under unbalanced network conditions – Analysis and control design," Renewable Energy, Elsevier, vol. 36(2), pages 829-847.
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    Cited by:

    1. Hwanik Lee & Moonsung Bae & Byongjun Lee, 2017. "Advanced Reactive Power Reserve Management Scheme to Enhance LVRT Capability," Energies, MDPI, vol. 10(10), pages 1-15, October.
    2. Howlader, Abdul Motin & Senjyu, Tomonobu, 2016. "A comprehensive review of low voltage ride through capability strategies for the wind energy conversion systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 56(C), pages 643-658.
    3. Zhen Xie & Lifan Niu & Xing Zhang, 2018. "An Enhanced Control Strategy for Doubly-Fed Induction Generators Based on a Virtual Harmonic Resistor and Capacitor under Nonlinear Load Conditions," Energies, MDPI, vol. 11(10), pages 1-18, October.
    4. Min Lu & Yu Chen & Debin Zhang & Jingyuan Su & Yong Kang, 2019. "Virtual Synchronous Control Based on Control Winding Orientation for Brushless Doubly Fed Induction Generator (BDFIG) Wind Turbines Under Symmetrical Grid Faults," Energies, MDPI, vol. 12(2), pages 1-12, January.
    5. Jiawei Li & Jun Yao & Xin Zeng & Ruikuo Liu & Depeng Xu & Caisheng Wang, 2017. "Coordinated Control Strategy for a Hybrid Wind Farm with DFIG and PMSG under Symmetrical Grid Faults," Energies, MDPI, vol. 10(5), pages 1-21, May.
    6. Fan Xiao & Zhe Zhang & Xianggen Yin, 2015. "Fault Current Characteristics of the DFIG under Asymmetrical Fault Conditions," Energies, MDPI, vol. 8(10), pages 1-22, September.
    7. Wei Luo & Jianguo Jiang & He Liu, 2017. "Frequency-Adaptive Modified Comb-Filter-Based Phase-Locked Loop for a Doubly-Fed Adjustable-Speed Pumped-Storage Hydropower Plant under Distorted Grid Conditions," Energies, MDPI, vol. 10(6), pages 1-13, May.
    8. Yanjian Peng & Yong Li & Zhisheng Xu & Ming Wen & Longfu Luo & Yijia Cao & Zbigniew Leonowicz, 2016. "Power Quality Improvement and LVRT Capability Enhancement of Wind Farms by Means of an Inductive Filtering Method," Energies, MDPI, vol. 9(4), pages 1-18, April.
    9. M. Kenan Döşoğlu, 2023. "Enhancement of LVRT Capability in DFIG-Based Wind Turbines with STATCOM and Supercapacitor," Sustainability, MDPI, vol. 15(3), pages 1-18, January.
    10. Flávio Oliveira & Arthur Amorim & Lucas Encarnação & Jussara Fardin & Marcos Orlando & Selênio Silva & Domingos Simonetti, 2015. "Enhancing LVRT of DFIG by Using a Superconducting Current Limiter on Rotor Circuit," Energies, MDPI, vol. 9(1), pages 1-12, December.

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