E3S Web Conf.
Volume 288, 2021International Symposium “Sustainable Energy and Power Engineering 2021” (SUSE-2021)
|Number of page(s)
|14 July 2021
Classification of diagnostic features of transient signals in the electric power industry
Kazan State Power Engineering University, 420066 Kazan, Russian Federation
* Corresponding author: firstname.lastname@example.org
Problems of practical implementation of traveling wave fault location caused by the registration of signals of different nature are considered. Analysis of the experimentally recorded traveling waves made it possible to divide them into 4 groups caused by partial discharges, lightning overvoltages, scheduled switching and fault commutations. The network dispatchers only needs the fault commutation information. Traveling waves recorded near the place of their origin have different meanings of diagnostic signs. The magnitude of the pre-alarm noise, the number of pulses in the signal and the duration of the signal are used as diagnostic indicators. These three diagnostic signs allow one to recognize each of the 4 causes of the travelling waves.
© The Authors, published by EDP Sciences, 2021
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