A simple unsynchronized two-end algorithm for faults location and identification in electrical distribution systems

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Abstract

In this paper, the authors propose a simple model-based methodology for faults identification and location inelectrical distribution systems. Its ease allows the implementation on a micro-controller based apparatus tobe installed at each Medium Voltage substation. The model is based on a lumped parameters representationof each span of line that can be affected by a fault. The input electrical features are unsynchronized linecurrents and line-to-line voltages and at the two ends of each span of line. Using line-to-line voltages insteadthan line-to-ground voltages, as suggested by many authors, brings a big benefit because the value of thereference ground voltage, especially at distribution level, can be affected by large uncertainties. The paperdescribes the proposed two-end algorithm that allows the location and identification of faults and finally inthe application section some test results based on simulations are reported.
Lingua originaleEnglish
pagine (da-a)636-655
Numero di pagine20
RivistaCOMPEL
Volume31 (2)
Stato di pubblicazionePublished - 2012

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All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Computational Theory and Mathematics
  • Electrical and Electronic Engineering
  • Applied Mathematics

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