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DFIG wind generation systems operating with limited converter rating considered under unbalanced network conditions – Analysis and control design

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  • Hu, Jiabing
  • He, Yikang

Abstract

This paper presents an analysis and operation of doubly-fed induction generator (DFIG)-based wind power generation systems under unbalanced network voltage conditions. The limited voltage and current ratings, and control capabilities of both grid side and rotor-side converters (GSC&RSC) for unbalanced network voltage compensation are investigated. A current control scheme consisting of a proportional integral (PI) controller plus a resonant (R) compensator is designed. The control scheme is implemented in the positive synchronous rotating reference frame and provides precise current control for both the GSC and RSC without involving the decomposition process of positive and negative sequence currents. By taking into account both the converters’ current ratings, a coordinated control strategy between the GSC and RSC is proposed and adjusted. Finally, simulation studies on a 1.5 MW DFIG generation system and experimental tests on a 1.5 kW prototype are carried out. The correctness of the analytical results as well as the feasibility of the proposed coordinated control scheme are confirmed when the network voltage is unbalanced.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:renene:v:36:y:2011:i:2:p:829-847
    DOI: 10.1016/j.renene.2010.07.004
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    Cited by:

    1. Bizhani, Hamed & Noroozian, Reza & Muyeen, S.M. & Blaabjerg, Frede, 2022. "Grid integration of multiple wind turbines using a multi-port converter—A novel simultaneous space vector modulation," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    2. Shahbazi, Mahmoud & Poure, Philippe & Saadate, Shahrokh & Zolghadri, Mohammad Reza, 2011. "Five-leg converter topology for wind energy conversion system with doubly fed induction generator," Renewable Energy, Elsevier, vol. 36(11), pages 3187-3194.
    3. Jaime Rodríguez Arribas & Adrián Fernández Rodríguez & Ángel Hermoso Muñoz & Carlos Veganzones Nicolás, 2014. "Low Voltage Ride-through in DFIG Wind Generators by Controlling the Rotor Current without Crowbars," Energies, MDPI, vol. 7(2), pages 1-22, January.
    4. Jing Li & Tao Zheng & Zengping Wang, 2018. "Short-Circuit Current Calculation and Harmonic Characteristic Analysis for a Doubly-Fed Induction Generator Wind Turbine under Converter Control," Energies, MDPI, vol. 11(9), pages 1-23, September.
    5. Mahela, Om Prakash & Shaik, Abdul Gafoor, 2016. "Comprehensive overview of grid interfaced wind energy generation systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 57(C), pages 260-281.
    6. Hu, Jiabing & Yuan, Xiaoming, 2012. "VSC-based direct torque and reactive power control of doubly fed induction generator," Renewable Energy, Elsevier, vol. 40(1), pages 13-23.
    7. Igor Rodrigues de Oliveira & Fernando Lessa Tofoli & Victor Flores Mendes, 2022. "Thermal Analysis of Power Converters for DFIG-Based Wind Energy Conversion Systems during Voltage Sags," Energies, MDPI, vol. 15(9), pages 1-21, April.
    8. Imran Khan & Kamran Zeb & Waqar Ud Din & Saif Ul Islam & Muhammad Ishfaq & Sadam Hussain & Hee-Je Kim, 2019. "Dynamic Modeling and Robust Controllers Design for Doubly Fed Induction Generator-Based Wind Turbines under Unbalanced Grid Fault Conditions," Energies, MDPI, vol. 12(3), pages 1-23, January.
    9. 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.
    10. Fenglin Miao & Hongsheng Shi & Xiaoqing Zhang, 2015. "Impact of the Converter Control Strategies on the Drive Train of Wind Turbine during Voltage Dips," Energies, MDPI, vol. 8(10), pages 1-18, October.

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