Traveling Wave and Wavelet Based Fault Location Detection in Microgrids

Year 2019, Volume: 23 Issue: 3, 413 - 424, 01.06.2019

Ahmet Küçüker , Muhammed Oğuz Korkmaz

https://doi.org/10.16984/saufenbilder.445761

Abstract

Demand for renewable energy sources is
increasing day by day. With the increase in demand for renewable energy
sources, the use of microgrids also increases. Microgrids, compared to
traditional grids, have a more complex structure and need more complex protection
functions. In this study, a traveling wave-based fault location detection
system for microgrids with loop distribution systems (looped microgrids) was
developed. In traveling wave-based fault location, measurements taken from one
or both ends of a line are used. However, in looped grids, lines do not have a
beginning or an end. In order to allow the use of traveling wave-based
protection in loop distribution systems, the system is separated into three zones.
To each three separate zone a type D fault locator method was applied, and by
ensuring that these algorithms worked in accordance, fault location detection was
carried out in a looped microgrid.

Keywords

Microgrid, Fault Detection, Wavelet, Travelling Waves

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