E3S Web Conf.
Volume 288, 2021International Symposium “Sustainable Energy and Power Engineering 2021” (SUSE-2021)
|Number of page(s)||5|
|Published online||14 July 2021|
Modeling of operating modes of relay protection in electrical networks with insulated neutral
1 Vologda State University, Lenina Street 15, Vologda, 160000, Russia
2 Kazan State Power Engineering University, Kazan, Russian Federation
* Corresponding author: email@example.com
This work aims to study relay protection and automation in insulated neutral networks to identify additional criteria for choosing the type of earthing. To calculate the single-phase earth fault currents as a function of the operating modes of the electrical substation, the 10 kV network of the electrical substation was simulated in the software package. The advantages and disadvantages of centralized and non-centralized protections are shown. The paper presents the sequence of actions necessary for the correct operation of directional zero sequence protection.
© The Authors, published by EDP Sciences, 2021
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