Control of PMSG-based wind turbines for system inertial response and power oscillation damping

Yi Wang, Jianhui Meng, Xiangyu Zhang, Lie Xu

Research output: Contribution to journalArticle

111 Citations (Scopus)

Abstract

This paper investigates an improved active power control method for variable speed wind turbine to enhance the inertial response and damping capability during transient events. The optimized power point tracking (OPPT) controller, which shifts the turbine operating point from the maximum power point tracking (MPPT) curve to the virtual inertia control (VIC) curves according to the frequency deviation, is proposed to release the “hidden” kinetic energy and provide dynamic frequency support to the grid. The effects of the VIC on power oscillation damping capability are theoretically evaluated. Compared to the conventional supplementary derivative regulator-based inertia control, the proposed control scheme can not only provide fast inertial response, but also increase the system damping capability during transient events. Thus, inertial response and power oscillation damping function can be obtained in a single controller by the proposed OPPT control. A prototype three-machine system containing two synchronous generators and a PMSG-based wind turbine with 31% of wind penetration is tested to validate the proposed control strategy on providing rapid inertial response and enhanced system damping.
LanguageEnglish
Pages556-574
Number of pages10
JournalIEEE Transactions on Sustainable Energy
Volume6
Issue number2
DOIs
Publication statusPublished - Apr 2015

Fingerprint

Wind turbines
Damping
Controllers
Synchronous generators
Power control
Kinetic energy
Turbines
Derivatives

Keywords

  • kinetic energy
  • electromagnetic oscillations
  • optimal control
  • permanent magnet generators
  • power grid
  • wind turbines

Cite this

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title = "Control of PMSG-based wind turbines for system inertial response and power oscillation damping",
abstract = "This paper investigates an improved active power control method for variable speed wind turbine to enhance the inertial response and damping capability during transient events. The optimized power point tracking (OPPT) controller, which shifts the turbine operating point from the maximum power point tracking (MPPT) curve to the virtual inertia control (VIC) curves according to the frequency deviation, is proposed to release the “hidden” kinetic energy and provide dynamic frequency support to the grid. The effects of the VIC on power oscillation damping capability are theoretically evaluated. Compared to the conventional supplementary derivative regulator-based inertia control, the proposed control scheme can not only provide fast inertial response, but also increase the system damping capability during transient events. Thus, inertial response and power oscillation damping function can be obtained in a single controller by the proposed OPPT control. A prototype three-machine system containing two synchronous generators and a PMSG-based wind turbine with 31{\%} of wind penetration is tested to validate the proposed control strategy on providing rapid inertial response and enhanced system damping.",
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Control of PMSG-based wind turbines for system inertial response and power oscillation damping. / Wang, Yi; Meng, Jianhui; Zhang, Xiangyu; Xu, Lie.

In: IEEE Transactions on Sustainable Energy, Vol. 6, No. 2, 04.2015, p. 556-574.

Research output: Contribution to journalArticle

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N1 - (c) 2015 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.

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N2 - This paper investigates an improved active power control method for variable speed wind turbine to enhance the inertial response and damping capability during transient events. The optimized power point tracking (OPPT) controller, which shifts the turbine operating point from the maximum power point tracking (MPPT) curve to the virtual inertia control (VIC) curves according to the frequency deviation, is proposed to release the “hidden” kinetic energy and provide dynamic frequency support to the grid. The effects of the VIC on power oscillation damping capability are theoretically evaluated. Compared to the conventional supplementary derivative regulator-based inertia control, the proposed control scheme can not only provide fast inertial response, but also increase the system damping capability during transient events. Thus, inertial response and power oscillation damping function can be obtained in a single controller by the proposed OPPT control. A prototype three-machine system containing two synchronous generators and a PMSG-based wind turbine with 31% of wind penetration is tested to validate the proposed control strategy on providing rapid inertial response and enhanced system damping.

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