Control of DFIG based wind generation systems under unbalanced network supply

Yi Wang, L. Xu

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

27 Citations (Scopus)

Abstract

This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator voltage orientation. The proposed model accurately illustrates the active power, reactive power and torque oscillations, and provides a basis for DFIG control system design during unbalanced network supply. Various control targets such as eliminating the oscillations of the torque, active/reactive power are discussed and the required rotor negative sequence current for fulfilling different control targets are described. Performance of a DFIG-based wind turbine under unbalanced condition using the proposed control method is evaluated by simulation studies using Matlab/Simulink. The proposed control scheme significantly attenuates the DFIG torque or active power oscillations during network unbalance whereas significant torque/power oscillations exist with the conventional control schemes.

LanguageEnglish
Title of host publicationIEEE IEMDC 2007
Subtitle of host publicationProceedings of the International Electric Machines and Drives Conference
Place of PublicationNew York
PublisherIEEE
Pages430-435
Number of pages5
ISBN (Print)9781424407422
DOIs
Publication statusPublished - 16 Jul 2007
EventIEEE International Electric Machines & Drives Conference (IEMDC) - Antalya, Turkey
Duration: 3 May 20075 May 2007

Conference

ConferenceIEEE International Electric Machines & Drives Conference (IEMDC)
CityAntalya, Turkey
Period3/05/075/05/07

Fingerprint

Torque
Reactive power
Dynamic models
Wind turbines
Stators
Rotors
Systems analysis
Control systems
Electric potential

Keywords

  • wind turbines
  • power system modeling
  • control system synthesis
  • control systems
  • dfig-based wind generation systems
  • wind generation systems
  • dfig-based
  • unbalanced network supply

Cite this

Wang, Y., & Xu, L. (2007). Control of DFIG based wind generation systems under unbalanced network supply. In IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference (pp. 430-435 ). New York: IEEE. https://doi.org/10.1109/IEMDC.2007.382706
Wang, Yi ; Xu, L. / Control of DFIG based wind generation systems under unbalanced network supply. IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference. New York : IEEE, 2007. pp. 430-435
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title = "Control of DFIG based wind generation systems under unbalanced network supply",
abstract = "This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator voltage orientation. The proposed model accurately illustrates the active power, reactive power and torque oscillations, and provides a basis for DFIG control system design during unbalanced network supply. Various control targets such as eliminating the oscillations of the torque, active/reactive power are discussed and the required rotor negative sequence current for fulfilling different control targets are described. Performance of a DFIG-based wind turbine under unbalanced condition using the proposed control method is evaluated by simulation studies using Matlab/Simulink. The proposed control scheme significantly attenuates the DFIG torque or active power oscillations during network unbalance whereas significant torque/power oscillations exist with the conventional control schemes.",
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Wang, Y & Xu, L 2007, Control of DFIG based wind generation systems under unbalanced network supply. in IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference. IEEE, New York, pp. 430-435 , IEEE International Electric Machines & Drives Conference (IEMDC), Antalya, Turkey, 3/05/07. https://doi.org/10.1109/IEMDC.2007.382706

Control of DFIG based wind generation systems under unbalanced network supply. / Wang, Yi; Xu, L.

IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference. New York : IEEE, 2007. p. 430-435 .

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

TY - GEN

T1 - Control of DFIG based wind generation systems under unbalanced network supply

AU - Wang, Yi

AU - Xu, L.

PY - 2007/7/16

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N2 - This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator voltage orientation. The proposed model accurately illustrates the active power, reactive power and torque oscillations, and provides a basis for DFIG control system design during unbalanced network supply. Various control targets such as eliminating the oscillations of the torque, active/reactive power are discussed and the required rotor negative sequence current for fulfilling different control targets are described. Performance of a DFIG-based wind turbine under unbalanced condition using the proposed control method is evaluated by simulation studies using Matlab/Simulink. The proposed control scheme significantly attenuates the DFIG torque or active power oscillations during network unbalance whereas significant torque/power oscillations exist with the conventional control schemes.

AB - This paper develops a dynamic model and control scheme for DFIG systems to improve the performance and stability under unbalanced grid conditions. A dynamic DFIG model containing the positive and negative sequence components is presented using stator voltage orientation. The proposed model accurately illustrates the active power, reactive power and torque oscillations, and provides a basis for DFIG control system design during unbalanced network supply. Various control targets such as eliminating the oscillations of the torque, active/reactive power are discussed and the required rotor negative sequence current for fulfilling different control targets are described. Performance of a DFIG-based wind turbine under unbalanced condition using the proposed control method is evaluated by simulation studies using Matlab/Simulink. The proposed control scheme significantly attenuates the DFIG torque or active power oscillations during network unbalance whereas significant torque/power oscillations exist with the conventional control schemes.

KW - wind turbines

KW - power system modeling

KW - control system synthesis

KW - control systems

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KW - unbalanced network supply

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Wang Y, Xu L. Control of DFIG based wind generation systems under unbalanced network supply. In IEEE IEMDC 2007: Proceedings of the International Electric Machines and Drives Conference. New York: IEEE. 2007. p. 430-435 https://doi.org/10.1109/IEMDC.2007.382706