Nonparametric time-varying phasor estimation in power systems by using a non-quadratic criterium

J. A. Jordaan, R. Živanović

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

In this paper, we present an application of the robust nonparametric signal modelling technique for tracking the frequency and time-varying phasor of voltage or current in power systems. A linear function is used to approximate these signals locally on a sliding window of variable length. A non-quadratic criterion instead of a weighted least squares criterion will be used to fit the linear function to the data. The paper concludes with the presentation of the representative testing results.

Original languageEnglish
Pages (from-to)35-41
Number of pages7
JournalSAIEE Africa Research Journal
Volume95
Issue number1
Publication statusPublished - Mar 2004
Externally publishedYes

Keywords

  • Frequency estimation
  • Non-parametric
  • Power systems
  • Time varying phasor estimation

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