Results 1 to 10 of about 1,031 (164)

Modeling of Measuring Transducers for Relay Protection Systems of Electrical Installations [PDF]

Sensors
The process of establishing relay protection and automation (RPA) settings for electric power systems (EPSs) entails complex calculations of operating modes.
Iliya Iliev, Andrey Kryukov, Konstantin Suslov, Nikolay Kodolov, Aleksandr Kryukov, Ivan Beloev, Yulia Valeeva   +6 more
doaj   +2 more sources

Relay Protection and Automation Algorithms of Electrical Networks Based on Simulation and Machine Learning Methods

Energies, 2022
The tendencies and perspective directions of development of modern digital devices of relay protection and automation (RPA) are considered. One of the promising ways to develop protection and control systems is the development of fundamentally new ...
Aleksandr Kulikov, Anton Loskutov, Dmitriy Bezdushniy   +2 more
doaj   +3 more sources

Restoration of the current transformer secondary current under core saturation conditions based on ANN [PDF]

Heliyon
Relay protection and emergency automation is an integral part of electric power systems. The algorithms of the relay protection and emergency automation are based on the use of analysis of the parameters of the electrical mode - current and voltage ...
Ismoil Odinaev, Abdel-Haleem Abdel-Aty, Andrey Pazderin, Murodbek Safaraliev, Pavel Matrenin, Mihail Senyuk, Amir Abdel Menaem, Mohammad Kanan   +7 more
doaj   +2 more sources

Development of 3-phase fault detection, protection, and automation application with the present of DG in AC power system using GOOSE protocol [PDF]

Heliyon
In this research work, a protection and automation solution is developed, encompassing SEL751 and SEL751A protection relays that communicate through the IEC-61850 Generic Object-Oriented Substation Event (GOOSE) protocol to deliver high-speed detection ...
Zhongsheng Shi, Zumrat Druzhinin
doaj   +2 more sources

Parameter Evaluation Procedure for Gapped Core Current Transformers Considering Accuracy Requirements under Transient Conditions [PDF]

E3S Web of Conferences, 2020
Particular features of gapped core current transformers and characteristics of transient phenomena inside them are under consideration; a procedure is proposed that allows for evaluating the excitation limiting e.m.f.
Vorobiev Victor, Moskalenko Vadim, Rasshcheplyaev Anton, Nudelman Goda, Navolochny Alexander, Onisova Olga, Naumov Ivan   +6 more
doaj   +1 more source

Determination of modern reliability indicators of relay protection and automation devices

Известия высших учебных заведений: Проблемы энергетики, 2023
RELEVANCE. The reliability of power supply to consumers depends on the reliability of all elements of the power supply system, including relay protection and automation devices (RZiA).
A. V. Vinogradov, A. A. Lansberg, Yu. D. Volchkov, A. V. Vinogradova   +3 more
doaj   +1 more source

Improving the recognition of operating modes in intelligent electrical networks based on machine learning methods [PDF]

E3S Web of Conferences, 2020
Digitalization in the power industry makes it possible to form in real time and accumulate large amounts of data about the state of connections, equipment at substations and the power system as a whole (currents, voltages, power, phase between current ...
Anton Loskutov, Pavel Pelevin, Vladimir Vukolov   +2 more
doaj   +1 more source

Current state of the problems of functioning of relay protection and automation complexes used in an active adaptive network

Известия высших учебных заведений: Проблемы энергетики, 2023
THE PURPOSE. To analyze the influence of series compensation devices on the operating modes of power transmission lines. To identify problems of functioning of relay protection and automation complexes when they are used on power transmission lines with ...
I. Yu. Ivanov, V. V. Novokreshchenov, V. R. Ivanova   +2 more
doaj   +1 more source

Modeling of operating modes of relay protection in electrical networks with insulated neutral [PDF]

E3S Web of Conferences, 2021
This work aims to study relay protection and automation in insulated neutral networks to identify additional criteria for choosing the type of earthing.
Aluynov A., Vyatkina O., Gracheva E., Nemirovskiy A.   +3 more
doaj   +1 more source

Research on the remote automatic test technology of the full link of the substation relay protection fault information system

Energy Reports, 2022
In view of the fact that the actual operation information of sub-station relay protection device and the point table information of relay protection fault information system are still manually point-by-point proof reading.
Dongliang Nan, Jinlong Tan, Lu Zhang, Jaydar Jingus, Chang Wang, Weilin Liu   +5 more
doaj   +1 more source