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Coordinated Control Schemes of Super-Capacitor and Kinetic Energy of DFIG for System Frequency Support

Author

Listed:
  • Liansong Xiong

    (School of Automation, Nanjing Institute of Technology, Nanjing 211167, China)

  • Yujun Li

    (School of Electrical Engineering, Xi’an Jiaotong University, Xi’an 710049, China)

  • Yixin Zhu

    (School of Internet of Things Engineering, Jiangnan University, Wuxi 214122, China)

  • Ping Yang

    (School of Electric Power, South China University of Technology, Guangzhou 510006, China
    Guangdong Key Laboratory of Clean Energy Technology, Guangzhou 510640, China)

  • Zhirong Xu

    (School of Electric Power, South China University of Technology, Guangzhou 510006, China
    Guangdong Key Laboratory of Clean Energy Technology, Guangzhou 510640, China)

Abstract

This paper mainly focuses on how to provide frequency supports by the doubly fed induction generator (DFIG) during system disturbances. Two coordinated controls that enable system frequency supports by DFIG-based wind turbines (WTs) are proposed in this paper. The first control scheme seeks to render system support via simultaneously utilizing the energy from the installed super-capacitor between the back-to-back converter of DFIG, and WT rotational kinetic energy (KE). The second one stabilizes system frequency by firstly exerting the installed super-capacitor energy and then WT rotational KE via a unique cascading control. Both proposed coordinated control schemes jointly utilize two virtual inertia sources, namely super-capacitor in the DFIG and rotor rotational mass in the WT to fast provide system frequency support. However, the second proposed one stands itself out by reducing its impaired impacts on the overall wind energy production. Two proposed controls on rapidly providing frequency support are effectively verified and compared in detail by different system disturbances in the DIgSILENT/Powerfactory software.

Suggested Citation

  • Liansong Xiong & Yujun Li & Yixin Zhu & Ping Yang & Zhirong Xu, 2018. "Coordinated Control Schemes of Super-Capacitor and Kinetic Energy of DFIG for System Frequency Support," Energies, MDPI, vol. 11(1), pages 1-16, January.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:1:p:103-:d:125258
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    Citations

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    Cited by:

    1. Oscar Barambones & Jose M. Gonzalez de Durana & Isidro Calvo, 2018. "Adaptive Sliding Mode Control for a Double Fed Induction Generator Used in an Oscillating Water Column System," Energies, MDPI, vol. 11(11), pages 1-27, October.
    2. Dongyang Sun & Lizhi Sun & Fengjiang Wu & Guangxin Zu, 2018. "Frequency Inertia Response Control of SCESS-DFIG under Fluctuating Wind Speeds Based on Extended State Observers," Energies, MDPI, vol. 11(4), pages 1-27, April.
    3. Xiangwu Yan & Xuewei Sun, 2020. "Inertia and Droop Frequency Control Strategy of Doubly-Fed Induction Generator Based on Rotor Kinetic Energy and Supercapacitor," Energies, MDPI, vol. 13(14), pages 1-19, July.
    4. Yifei Wang & Youxin Yuan, 2019. "Inertia Provision and Small Signal Stability Analysis of a Wind-Power Generation System Using Phase-Locked Synchronized Equation," Sustainability, MDPI, vol. 11(5), pages 1-21, March.
    5. Liancheng Xiu & Liansong Xiong & Ping Yang & Zhiliang Kang, 2018. "Inertial and Damping Characteristics of DC Distributed Power Systems Based on Frequency Droop Control," Energies, MDPI, vol. 11(9), pages 1-14, September.
    6. Fernández-Guillamón, Ana & Gómez-Lázaro, Emilio & Muljadi, Eduard & Molina-García, Ángel, 2019. "Power systems with high renewable energy sources: A review of inertia and frequency control strategies over time," Renewable and Sustainable Energy Reviews, Elsevier, vol. 115(C).
    7. Akram, Umer & Nadarajah, Mithulananthan & Shah, Rakibuzzaman & Milano, Federico, 2020. "A review on rapid responsive energy storage technologies for frequency regulation in modern power systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 120(C).
    8. Yongbin Wu & Donghui Zhang & Liansong Xiong & Sue Wang & Zhao Xu & Yi Zhang, 2019. "Modeling and Mechanism Investigation of Inertia and Damping Issues for Grid-Tied PV Generation Systems with Droop Control," Energies, MDPI, vol. 12(10), pages 1-17, May.

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