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Effect of tuned unified power flow controller to mitigate the rotor speed instability of fixed-speed wind turbines

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  • Jayashri, R.
  • Kumudini Devi, R.P.

Abstract

In this paper, the dynamic performance of grid connected Wind Energy Conversion System (WECS) is analysed in terms of the newly defined concept of rotor speed stability. The WECS is considered as a fixed-speed system that is equipped with a squirrel-cage induction generator. The drive-train is represented as a two-mass model. Results show that for a particular fault simulated the voltage at the Point of Common Coupling (PCC) drops below 80% immediately after fault application and settles at a low value. The rotor speed of induction generators becomes unstable. In order to improve the low voltage ride-through of WECS under fault conditions and to damp the rotor speed oscillations of induction generator, an Unified Power Flow Controller (UPFC) is employed. The gains of this FACTS controller are tuned with a simple Genetic Algorithm (GA). It is observed that UPFC helps not only in regulating the voltage, but also in mitigating the rotor speed instability.

Suggested Citation

  • Jayashri, R. & Kumudini Devi, R.P., 2009. "Effect of tuned unified power flow controller to mitigate the rotor speed instability of fixed-speed wind turbines," Renewable Energy, Elsevier, vol. 34(3), pages 591-596.
    • Handle: RePEc:eee:renene:v:34:y:2009:i:3:p:591-596
    DOI: 10.1016/j.renene.2008.05.029
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    Citations

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    Cited by:

    1. Ramirez, Dionisio & Martinez, Sergio & Blazquez, Francisco & Carrero, Carmelo, 2012. "Use of STATCOM in wind farms with fixed-speed generators for grid code compliance," Renewable Energy, Elsevier, vol. 37(1), pages 202-212.
    2. Carunaiselvane, C. & Chelliah, Thanga Raj, 2017. "Present trends and future prospects of asynchronous machines in renewable energy systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 74(C), pages 1028-1041.
    3. Minh Quan Duong & Francesco Grimaccia & Sonia Leva & Marco Mussetta & Kim Hung Le, 2015. "Improving Transient Stability in a Grid-Connected Squirrel-Cage Induction Generator Wind Turbine System Using a Fuzzy Logic Controller," Energies, MDPI, vol. 8(7), pages 1-22, June.
    4. Khosravi, N. & Abdolmohammadi, H.R. & Bagheri, S. & Miveh, M.R., 2021. "Improvement of harmonic conditions in the AC/DC microgrids with the presence of filter compensation modules," Renewable and Sustainable Energy Reviews, Elsevier, vol. 143(C).

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