Islanding detection of grid connected distributed generators using TLS-ESPRIT

H. H. Zeineldin, T. Abdel-Galil, E. F. El-Saadany, M. M.A. Salama

Research output: Contribution to journalArticlepeer-review

72 Scopus citations

Abstract

A critical protection requirement for grid connected distributed generators (DG) is anti-islanding protection. In this paper, a new islanding detection method is proposed based on monitoring the generator's frequency. Two new features, the frequency of oscillation and the damping factor of the generator's frequency output waveform, are extracted using the total least square-estimation of signal parameters via rotational invariance techniques (TLS-ESPRIT) algorithm. The proposed method has been tested under various scenarios such as load change, short circuit, and capacitor switching.

Original languageBritish English
Pages (from-to)155-162
Number of pages8
JournalElectric Power Systems Research
Volume77
Issue number2
DOIs
StatePublished - Feb 2007

Keywords

  • Distributed generation
  • Fault currents
  • Islanding detection
  • Power distribution

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