PLL structures for utility connected systems

  title={PLL structures for utility connected systems},
  author={L. N. Arruda and S. Da Mota Silva and B. J. Cardoso Filho},
  journal={Conference Record of the 2001 IEEE Industry Applications Conference. 36th IAS Annual Meeting (Cat. No.01CH37248)},
  pages={2655-2660 vol.4}
This paper presents a detailed analysis of PLL structures for utility connected systems. The three-phase PLL (phase-locked loop) structure capable of fast tracking the utility voltage vector is studied. A single-phase PLL structure, derived from the three-phase PLL topology, is discussed and its behavior under distorted utility conditions is analyzed. Additionally, the conventional zero-crossing PLL is studied and an alternative implementation for this PLL is proposed in order to improve its… CONTINUE READING
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