Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic

Truc Pham-Dinh, Hai Nguyen-Thanh, Kenko Uchida, Nguyen Gia Minh Thao

    研究成果: Conference contribution

    3 引用 (Scopus)

    抄録

    This paper presents modified Stator Voltage Oriented Control (SVOC) for Doubly Fed Induction Generator (DFIG) in wind turbines to reduce torque pulsation during unbalanced voltage dips, and current waveforms are also improved with the decreasing of harmonics. The proposed schemes utilize multiple PI controllers with anti-windup to obtain commanded rotor currents and also introduce extra commanded values for rotor current; as well, Notch filters are used to eliminate the second-order harmonic components. The designed system consists of a wound-rotor induction generator and back-to-back power-electronic converters connected to both rotor and grid sides. Wherein, the modifications are applied to the control of rotor side converter (RSC). Simulations in Matlab/Simulink illustrate the enhanced stability of torque response and the improvement of current waveform. Comparisons of the simulation results with a traditional Stator Flux Oriented Control (SFOC) and a previously suggested modification of SFOC for operation under unbalanced voltage dip are provided to evaluate the newly proposed methods in the paper.

    元の言語English
    ホスト出版物のタイトルProceedings of the SICE Annual Conference
    出版者Society of Instrument and Control Engineers (SICE)
    ページ1493-1500
    ページ数8
    ISBN(印刷物)9784907764463
    DOI
    出版物ステータスPublished - 2014 10 23
    イベント2014 53rd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2014 - Sapporo
    継続期間: 2014 9 92014 9 12

    Other

    Other2014 53rd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2014
    Sapporo
    期間14/9/914/9/12

    Fingerprint

    Asynchronous generators
    Wind turbines
    Torque
    Rotors
    Stators
    Electric potential
    Fluxes
    Notch filters
    Power electronics
    Controllers

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Control and Systems Engineering
    • Computer Science Applications

    これを引用

    Pham-Dinh, T., Nguyen-Thanh, H., Uchida, K., & Thao, N. G. M. (2014). Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic. : Proceedings of the SICE Annual Conference (pp. 1493-1500). [6935281] Society of Instrument and Control Engineers (SICE). https://doi.org/10.1109/SICE.2014.6935281

    Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic. / Pham-Dinh, Truc; Nguyen-Thanh, Hai; Uchida, Kenko; Thao, Nguyen Gia Minh.

    Proceedings of the SICE Annual Conference. Society of Instrument and Control Engineers (SICE), 2014. p. 1493-1500 6935281.

    研究成果: Conference contribution

    Pham-Dinh, T, Nguyen-Thanh, H, Uchida, K & Thao, NGM 2014, Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic. : Proceedings of the SICE Annual Conference., 6935281, Society of Instrument and Control Engineers (SICE), pp. 1493-1500, 2014 53rd Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2014, Sapporo, 14/9/9. https://doi.org/10.1109/SICE.2014.6935281
    Pham-Dinh T, Nguyen-Thanh H, Uchida K, Thao NGM. Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic. : Proceedings of the SICE Annual Conference. Society of Instrument and Control Engineers (SICE). 2014. p. 1493-1500. 6935281 https://doi.org/10.1109/SICE.2014.6935281
    Pham-Dinh, Truc ; Nguyen-Thanh, Hai ; Uchida, Kenko ; Thao, Nguyen Gia Minh. / Modified controls for grid-connected wind-turbine Doubly Fed Induction Generator under Unbalanced Voltage Dip for Torque Stability and Reduction of Current Harmonic. Proceedings of the SICE Annual Conference. Society of Instrument and Control Engineers (SICE), 2014. pp. 1493-1500
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    abstract = "This paper presents modified Stator Voltage Oriented Control (SVOC) for Doubly Fed Induction Generator (DFIG) in wind turbines to reduce torque pulsation during unbalanced voltage dips, and current waveforms are also improved with the decreasing of harmonics. The proposed schemes utilize multiple PI controllers with anti-windup to obtain commanded rotor currents and also introduce extra commanded values for rotor current; as well, Notch filters are used to eliminate the second-order harmonic components. The designed system consists of a wound-rotor induction generator and back-to-back power-electronic converters connected to both rotor and grid sides. Wherein, the modifications are applied to the control of rotor side converter (RSC). Simulations in Matlab/Simulink illustrate the enhanced stability of torque response and the improvement of current waveform. Comparisons of the simulation results with a traditional Stator Flux Oriented Control (SFOC) and a previously suggested modification of SFOC for operation under unbalanced voltage dip are provided to evaluate the newly proposed methods in the paper.",
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