E3S Web of Conf.
Volume 216, 2020Rudenko International Conference “Methodological problems in reliability study of large energy systems” (RSES 2020)
|Number of page(s)||3|
|Published online||14 December 2020|
Development of contactless solid state voltage relay
1 Tashkent State Technical University named after Islam Karimov, Department of "Electrical Engineering", of the Electrical Energy Faculty, Tashkent, University St. 2A, 100095, Uzbekistan
2 Tashkent State Technical University named after Islam Karimov, Department of "Electrical Engineering", of the Electrical Energy Faculty, Tashkent, University St. 2A, 100095, Uzbekistan
The article deals with the research issues of compact, reliable, high-speed semiconductor solid-state non-contact voltage relays with an increased service life, combining a sensitive system and a powerful actuator with a sinusoidal voltage curve at the load. Theoretical studies of a controlled resistive and non-autonomous dynamic circuit, consisting of a thyristor connected in series with a parallel circuit containing a capacitance and an active resistance, under the influence of an external sinusoidal voltage, which can be used in control circuits of power thyristors, are presented. An experimental characteristic is shown with a description of the operating principle of the developed solid-state non-contact voltage relay.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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