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Grid voltage control with wind turbine inverters by using grid impedance estimation

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Abstract
Currently, distributed generation (DG) units usually do not participate in the primary grid voltage control and inject power regardless. Only when the grid voltage level surpasses a certain threshold, these units shut down to avoid any overvoltage problems. In this paper, a method is developed to control the grid voltage by wind turbines. This way, the grid voltage level improves, and the wind turbine can still generate power under suboptimal grid voltage conditions. The effect on the grid voltage depends on the grid impedance ratio R/X. In this paper, the effectiveness of the grid voltage control is improved by estimating the grid impedance ratio in real-time to inject active and reactive power accordingly. The method is applied to wind turbines, but can be used for other DG units as well.
Keywords
grid impedance estimation, grid voltage control, wind turbine inverters, distributed generation

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Citation

Please use this url to cite or link to this publication:

Chicago
De Kooning, Jonas, Jan Van de Vyver, Jeroen De Kooning, Tine Vandoorn, and Lieven Vandevelde. 2014. “Grid Voltage Control with Wind Turbine Inverters by Using Grid Impedance Estimation.” In Proceedings of the 3rd Renewable Power Generation (RPG) Conference 2014, 1–6. IET.
APA
De Kooning, Jonas, Van de Vyver, J., De Kooning, J., Vandoorn, T., & Vandevelde, L. (2014). Grid voltage control with wind turbine inverters by using grid impedance estimation. Proceedings of the 3rd Renewable Power Generation (RPG) Conference 2014 (pp. 1–6). Presented at the 3rd Renewable Power Generation (RPG) Conference, IET.
Vancouver
1.
De Kooning J, Van de Vyver J, De Kooning J, Vandoorn T, Vandevelde L. Grid voltage control with wind turbine inverters by using grid impedance estimation. Proceedings of the 3rd Renewable Power Generation (RPG) Conference 2014. IET; 2014. p. 1–6.
MLA
De Kooning, Jonas, Jan Van de Vyver, Jeroen De Kooning, et al. “Grid Voltage Control with Wind Turbine Inverters by Using Grid Impedance Estimation.” Proceedings of the 3rd Renewable Power Generation (RPG) Conference 2014. IET, 2014. 1–6. Print.
@inproceedings{5718181,
  abstract     = {Currently, distributed generation (DG) units usually do not participate in the primary grid voltage control and inject power regardless. Only when the grid voltage level surpasses a certain threshold, these units shut down to avoid any overvoltage problems. In this paper, a method is developed to control the grid voltage by wind turbines. This way, the grid voltage level improves, and the wind turbine can still generate power under suboptimal grid voltage conditions. The effect on the grid voltage depends on the grid impedance ratio R/X. In this paper, the effectiveness of the grid voltage control is improved by estimating the grid impedance ratio in real-time to inject active and reactive power accordingly. The method is applied to wind turbines, but can be used for other DG units as well.},
  author       = {De Kooning, Jonas and Van de Vyver, Jan and De Kooning, Jeroen and Vandoorn, Tine and Vandevelde, Lieven},
  booktitle    = {Proceedings of the 3rd Renewable Power Generation (RPG) Conference 2014},
  isbn         = {9781849199162},
  language     = {eng},
  location     = {Ramada Napels, Italy},
  pages        = {1--6},
  publisher    = {IET},
  title        = {Grid voltage control with wind turbine inverters by using grid impedance estimation},
  url          = {http://dx.doi.org/10.1049/cp.2014.0846},
  year         = {2014},
}

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