Protection Coordination Index Enhancement Considering Multiple DG Locations Using FCL

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45 Scopus citations


Increasing the penetration level of distributed generation (DG) may lead to improper protection coordination. Previous work introduced a protection coordination index (PCI) that can quantify the impact of installing a DG at individual locations. This paper extends on previous work and proposes a generalized approach for calculating PCI considering multiple DG locations simultaneously. Furthermore, this paper proposes a solution for enhancing the PCI using fault current limiters (FCL). The problem is formulated as a mixed-integer nonlinear programming problem to determine the optimal FCL size and location as well as enhanced PCI.

Original languageBritish English
Article number7416635
Pages (from-to)344-350
Number of pages7
JournalIEEE Transactions on Power Delivery
Issue number1
StatePublished - Feb 2017


  • Distributed generation
  • genetic algorithm (GA)
  • penetration level
  • Protection coordination


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