| Issue |
E3S Web Conf.
Volume 288, 2021
International Symposium “Sustainable Energy and Power Engineering 2021” (SUSE-2021)
|
|
|---|---|---|
| Article Number | 01100 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/e3sconf/202128801100 | |
| 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: alyunov@mail.ru
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
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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