Results 1 to 10 of about 162,451 (292)

Relay protection system of transmission line based on AI.

open access: yesPLoS ONE, 2021
With the development of modern power systems, higher requirements are imposed on relay protection technology. Traditional relay protection and fault diagnosis technologies have been unable to meet the requirements of the continuous development of power ...
Xiangyu Zheng   +5 more
doaj   +2 more sources

Relay protection sensitivity integrated optimal placement and capacity of inverter interfaced distributed generators in distribution networks [PDF]

open access: yesHeliyon
The relay protection sensitivity is one of the determined factors in the power system, however, it is often overlooked in current distribution network (DN) planning.
Fei Li, Deming Wang, Yingliang Li
doaj   +2 more sources

Peculiarities of the relays intended for operating trip coils of the high-voltage circuit breakers [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2007
Parameters of the subminiature electromagnetic relays used as output elements in microprocessor relay protection, do not correspond to technical specifications on these relay protection. The reasons of this discrepancy are analyzed.
Gurevich Vladimir
doaj   +3 more sources

Research on the method of constructing a knowledge map of relay protection device faults oriented to textual features [PDF]

open access: yesScientific Reports
In recent years, science and technology have been developing at a high speed, and the new generation of information technology featuring digitization, networking and intelligence has been increasingly innovative and breakthrough, pushing the whole ...
Wang Kui   +3 more
doaj   +2 more sources

Comparison of Grounding Grid Parameters Between Copper and Galvanized Flat Steel [PDF]

open access: yesE3S Web of Conferences, 2021
In the intelligent substation, the shell of the secondary equipment is connected to the ground grid locally. When the short circuit fault current is injected into the grounding grid to cause the ground potential rise, the potential difference between the
Yu Yue   +5 more
doaj   +1 more source

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

open access: yesE3S 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   +6 more
doaj   +1 more source

Identification Method for Pulse Wave Resulted From Fault Transient of Overhead Transmission Line

open access: yesIEEE Access, 2023
This paper presents a simple and effective method to extract the identification quantity of transient pulse waveform produced by the overhead transmission line short-circuit fault.
Yue Yu   +4 more
doaj   +1 more source

New and traditional relay protection algorithms integration in 6-35 kV distribution network [PDF]

open access: yesE3S Web of Conferences, 2020
We conducted an applicability analysis of both modern and prospective relay protection types in future 6-35 kV field circuits. We demonstrated the advantages of using new differential-logic and multi-parameter relay protection algorithms, as well as the ...
Sharygin Mikhail   +3 more
doaj   +1 more source

Coordination analysis of protection relay settings utilizing particle swarm optimization method [PDF]

open access: yes, 2022
Cempaka Substation becomes one of the existing electricity distribution systems in South Kalimantan. As a transmission line, a reliable protection system is required having s proper relay coordination, thus indicating thereby optimizing the electricity ...
Faruq, Amrul   +2 more
core   +1 more source

Faulty Feeder Identification and Fault Area Localization in Resonant Grounding System Based on Wavelet Packet and Bayesian Classifier

open access: yesJournal of Modern Power Systems and Clean Energy, 2020
Accurate fault area localization is a challenging problem in resonant grounding systems (RGSs). Accordingly, this paper proposes a novel two-stage localization method for single-phase earth faults in RGSs.
Jingwen Chen   +5 more
doaj   +1 more source

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