A simple technique for islanding detection with negligible nondetection zone

H. H. Zeineldin, James L. Kirtley

Research output: Contribution to journalArticlepeer-review

120 Scopus citations

Abstract

Although active islanding detection techniques have smaller nondetection zones than passive techniques, active methods could degrade the system power quality and are not as simple and easy to implement as passive methods. The islanding detection strategy, proposed in this paper, combines the advantages of both active and passive islanding detection methods. The distributed-generation (DG) interface was designed so that the DG maintains stable operation while being grid connected and loses its stability once islanded. Thus, the over/undervoltage and over/ underfrequency protection method would be sufficient to detect islanding. The main advantage of the proposed technique is that it relies on a simple approach for islanding detection and has negligible nondetection zone. The system was simulated on PSCAD/EMTDC and simulation results are presented to highlight the effectiveness of the proposed technique.

Original languageBritish English
Pages (from-to)779-786
Number of pages8
JournalIEEE Transactions on Power Delivery
Volume24
Issue number2
DOIs
StatePublished - 2009

Keywords

  • Distributed generation (DG)
  • Inverter
  • Islanding
  • Over/under voltage
  • Over/underfrequency

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