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Overview of PLL methods for distributed generation units

Bart Meersman (UGent) , Jeroen De Kooning (UGent) , Tine Vandoorn (UGent) , Lieven Degroote (UGent) , Bert Renders (UGent) and Lieven Vandevelde (UGent)
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Abstract
Distributed energy resources are increasingly being connected to the utility grid by means of an inverter. The basic information necessary for these inverter-connected distribution units are the frequency and phase angle of the utility grid. The phase angle can be estimated using phase-locked loops (PLLs). Voltage unbalance, harmonics and other kinds of undesirable pertubations are common conditions in the electric utility which are detrimental for the operation of the PLL. In this paper, three commonly known PLL methods are discussed: the single-phase synchronous reference frame (SRF) PLL, the three-phase SRF PLL and the double SRF PLL. The effect of voltage unbalance on those PLL methods will be discussed in this paper.
Keywords
three-phase voltage-source inverter (VSI), phase-locked loop (PLL), voltage unbalance, distributed generation

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Chicago
Meersman, Bart, Jeroen De Kooning, Tine Vandoorn, Lieven Degroote, Bert Renders, and Lieven Vandevelde. 2010. “Overview of PLL Methods for Distributed Generation Units.” In Universities’ Power Engineering Conference, 45th International, Proceedings. Cardiff, Wales, UK: Cardiff University. School of Engineering. Institute of Energy.
APA
Meersman, B., De Kooning, J., Vandoorn, T., Degroote, L., Renders, B., & Vandevelde, L. (2010). Overview of PLL methods for distributed generation units. Universities’ Power Engineering Conference, 45th International, Proceedings. Presented at the 45th International Universities’ Power Engineering Conference (UPEC 2010), Cardiff, Wales, UK: Cardiff University. School of Engineering. Institute of Energy.
Vancouver
1.
Meersman B, De Kooning J, Vandoorn T, Degroote L, Renders B, Vandevelde L. Overview of PLL methods for distributed generation units. Universities’ Power Engineering Conference, 45th International, Proceedings. Cardiff, Wales, UK: Cardiff University. School of Engineering. Institute of Energy; 2010.
MLA
Meersman, Bart, Jeroen De Kooning, Tine Vandoorn, et al. “Overview of PLL Methods for Distributed Generation Units.” Universities’ Power Engineering Conference, 45th International, Proceedings. Cardiff, Wales, UK: Cardiff University. School of Engineering. Institute of Energy, 2010. Print.
@inproceedings{1028695,
  abstract     = {Distributed energy resources are increasingly being connected to the utility grid by means of an inverter. The basic information necessary for these inverter-connected distribution units are the frequency and phase angle of the utility grid. The phase angle can be estimated using phase-locked loops (PLLs). Voltage unbalance, harmonics and other kinds of undesirable pertubations are common conditions in the electric utility which are detrimental for the operation of the PLL. In this paper, three commonly known PLL methods are discussed: the single-phase synchronous reference frame (SRF) PLL, the three-phase SRF PLL and the double SRF PLL. The effect of voltage unbalance on those PLL methods will be discussed in this paper.},
  author       = {Meersman, Bart and De Kooning, Jeroen and Vandoorn, Tine and Degroote, Lieven and Renders, Bert and Vandevelde, Lieven},
  booktitle    = {Universities' Power Engineering Conference, 45th International, Proceedings},
  keyword      = {three-phase voltage-source inverter (VSI),phase-locked loop (PLL),voltage unbalance,distributed generation},
  language     = {eng},
  location     = {Cardiff, Wales, UK},
  pages        = {6},
  publisher    = {Cardiff University. School of Engineering. Institute of Energy},
  title        = {Overview of PLL methods for distributed generation units},
  year         = {2010},
}