Results 1 to 10 of about 863 (136)
Improvement of surface flashover in vacuum
High Voltage, 2020 Surface flashover of insulation systems is a basic issue in the field of high voltage and electrical insulation. To improve the surface flashover performance is of great significance for the development of advanced power transmission equipment and ...
Shengtao Li
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The potentially neglected culprit of DC surface flashover: electron migration under temperature gradients [PDF]
Scientific Reports, 2017 This report intends to reveal the role of electron migration and its effects in triggering direct current (DC) surface flashover under temperature gradient conditions when using epoxy-based insulating composites.
Chuanyang Li +3 more
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Research and Analysis on Enhancement of Surface Flashover Performance of Epoxy Resin Based on Dielectric Barrier Discharge Plasma Fluorination Modification [PDF]
NanomaterialsTo conquer the challenges of charge accumulation and surface flashover in epoxy resin under direct current (DC) electric fields, numerous efforts have been made to research dielectric barrier discharge (DBD) plasma treatments using CF4/Ar as the medium ...
Xizhe Chang +3 more
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Non-invasive surface potential measurement of surface flashover
电力工程技术, 2022 Surface flashover is an important accident threating the safe operation of gas-insulated switchgear (GIS). Non-invasive surface potential measurement for flashover test device with finger-shape electrodes is proposed,and the feasibility of this device is
FAN Lu, GENG Yiwen, WANG Yalin, YIN Yi
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Surface flashover in 50 years: Theoretical models and competing mechanisms
High Voltage, 2023 Surface flashover is a devastating electronic avalanche along the gas–solid interface when a high electric field is applied, which is a potential issue that threatens the safe operations of advanced power electronic, electrical, and spacecraft ...
Zhen Li +5 more
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IEEE Access, 2022 The flashover process of the peaking capacitor in the electromagnetic pulse (EMP) simulator is studied based on theoretical analyses and experimental verification in this paper.
Yi Wang +7 more
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Scientific Reports, 2021 This study focuses on the feature extraction and classification of surface discharges of ice-covered insulator strings during process of alternating current flashover.
Yong Liu +3 more
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Insulator fault feature extraction system of substation equipment based on machine vision
IET Networks, EarlyView., 2022 Abstract The artificial intelligence technology and intelligent automation are more and more widely used, the insulators play a supporting and insulating role in the operation of the grid. The use of machine vision inspection technology to detect insulator faults has become an inevitable trend of the times.
Keruo Jiang +4 more
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Unraveling the “U-Shaped” Dependence of Surface Flashover Performance on the Surface Trap Level
IEEE Access, 2019 The effects of surface traps on surface flashover remain controversial. To clarify the relation between surface flashover and surface trap level, in this work, the surface trap level of epoxy composites was modified by nanoparticles incorporation ...
Shengtao Li +6 more
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IEEE Journal of the Electron Devices Society, 2018 The development of Gallium arsenide photoconductive semiconductor switch has been hampered by the surface flashover. The surface flashover threshold with the laser excitation is far lower than the one without the laser excitation.
Shaoqiang Wang, Wei Shi
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