Relay protection system of transmission line based on AI.
PLoS 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
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Relay protection sensitivity integrated optimal placement and capacity of inverter interfaced distributed generators in distribution networks [PDF]
HeliyonThe 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
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Research on the method of constructing a knowledge map of relay protection device faults oriented to textual features [PDF]
Scientific ReportsIn 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
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Comparison of Grounding Grid Parameters Between Copper and Galvanized Flat Steel [PDF]
E3S 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
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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 +6 more
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Identification Method for Pulse Wave Resulted From Fault Transient of Overhead Transmission Line
IEEE 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
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New and traditional relay protection algorithms integration in 6-35 kV distribution network [PDF]
E3S 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
Journal 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
A coordinated relay protection strategy of distribution network based on fault current limiting
Energy Reports, 2022 In order to solve the problem of difficult coordination of traditional overcurrent relay protection caused by short supply radius and little difference of fault current along urban distribution network, a coordinated relay protection strategy based on ...
Qingpeng Zeng +5 more
doaj +1 more source
Protection Coordination Index Assessment Using Fuzzy Logic Controller
Energies, 2022 This paper proposes the assessment method of the protection coordination index (PCI) for overcurrent protection relay and upstream relay. The protection coordination index is an indicator of how properly the equipment is protected by protective relay ...
Choong-Koo Chang +1 more
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