A Hybrid Islanding Detection Technique Using Average Rate of Voltage Change and Real Power Shift

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Abstract

The mainly used islanding detection techniques may be classified as active and passive techniques. Passive techniques don't perturb the system but they have larger nondetection znes, whereas active techniques have smaller nondetection zones but they perturb the system. In this paper, a new hybrid technique is proposed to solve this problem. An average rate of voltage change (passive technique) has been used to initiate a real power shift (active technique), which changes the eal power of distributed generation (DG), when the passive technique cannot have a clear discrimination between islanding and other events in the system. Simulation results show that the proposed method is effective in detecting islanding of distribution systems with DGs.
Original languageEnglish
JournalIEEE Transactions on Power Delivery
Volume24
Issue number2
Pages (from-to)764-771
Number of pages8
ISSN0885-8977
DOIs
Publication statusPublished - 2009

Keywords

  • Distributed generation
  • Islanding detection
  • Real power shift
  • Voltage change

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