Multi Agent System Based Adaptive Protection for Dispersed Generation Integrated Distribution Systems

Leo Liu, Zakir Hussain Rather, Claus Leth Bak, Zhe Chen

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The increasing penetration of dispersed generation (DG) brings challenges to conventional protection approaches of distribution system, mainly due to bi-directional power flow and variable fault current contribution from different generation technology-based DG units. Moreover, the trend of allowing islanded operation of distribution systems necessitates the adoption of adaptive protection methods for distribution systems. In order to improve the reliability and selectivity of protection for such kind of distribution systems, a coordinative adaptive protection based on multi agent system (MAS) is proposed. The adaptive protection intelligently adopts suitable settings for the variation of fault current from diversified DG units. Furthermore, the structure of mobile MAS with additional flexibility is capable of adapting the changes of system topology in a short period, e.g. radial/meshed, grid-connected/islanded. The protection method is tested on a simplified distribution system model of Denmark in DIgSILENT/PowerFactory.
Original languageEnglish
JournalInternational Journal of Smart Grid and Clean Energy
Volume2
Issue number3
Pages (from-to)406-412
Number of pages7
Publication statusPublished - 2013

Keywords

  • Adaptive protection
  • Dispersed generation
  • Distribution protection
  • Multi agent system

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