Affiliation:
1. Department of Industrial Enterprises Power Supply Systems and Electrical Technologies National Research University Moscow Power Engineering Institute Moscow, Russian Federation;
Abstract
In low voltage distribution networks, there is a high risk of fires caused by
wiring faults that lead to short circuits. Arcing protection devices (ARCs)
already exist, but experiments show that they also often do not disable such
faults. The operation of most existing arc fault detection devices is based
on the detection of high frequency current components and their comparison
with load profiles. For the fast arc fault recognition low-frequency
oscillations can be assessed, which serve as a marker of the arc fault
presence in a LV distribution network. This method of arc fault recognition
in LV networks is easier to implement practically. Using the windowed
Fourier transform or Wavelet analysis, it is possible to determine the
change in time of the harmonic components of the current, which will be a
characteristic sign of the presence of an arc fault along with other signs.
Publisher
National Library of Serbia
Subject
Electrical and Electronic Engineering,Computer Networks and Communications,Hardware and Architecture,Mechanical Engineering,Energy Engineering and Power Technology,Control and Systems Engineering
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