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On-line determination of Symmetrical Components by Sampling

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Disciplines
  • Computer Science
  • Musicology

Abstract

Symmetrical components of currents and voltages are used for the performance analysis of three-phase power systems (positive-sequence component) and for protection. This paper introduces different algorithms permitting to determine in real time the symmetrical components from few sampled triplets of voltages or currents. By using elaborated algorithms both parasitic harmonics and transients can be suppressed. Finally the attention is given to a general approach to the implementation of a algorithm with a pilot multi-processor equipment.

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