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Early Warning of AC Salt Fog Flashover on Composite Insulators Using Fiber Bragg Grating Sensing and Visible Arc Images [PDF]
MicromachinesExternal insulation of coastal power grids faces harsh conditions and is highly susceptible to flashover. Currently, technologies for online monitoring and flashover early warning are severely lacking.
Xiaoxiang Wu +5 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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Anomalous flashovers of silicone rubber insulators under the artificial rain test [PDF]
Archives of Electrical Engineering, 2021 The wet flashover voltage of medium voltage insulators made of a silicone rubber is 8% lower than the wet flashover voltage of a porcelain insulator with an identical profile. These surprising results, obtained in 2012, were confirmed again in 2019.
Krystian Leonard Chrzan +1 more
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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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The Shed Hole Influence on the Electrical Performance of Composite Insulator
IEEE Access, 2020 In recent years, shed holes appeared on the surface of in-service composite insulators have been observed in transmission lines in the southern and middle regions of China.
Fanghui Yin +5 more
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IEEE Access, 2020 The damage of high-voltage terminal shed of composite insulators can influence the flashover performance of the insulators. The study was carried out experimentally to investigate the flashover characteristics of composite insulators with sheds damage at
Lu Ming, Li Yangyang, Hu Jianlin
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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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Engineering Science and Technology, an International Journal, 2020 Flashover voltage is considered one of the important factors affect the Power system reliability. Environmental conditions and filling of insulators are parameters should be considered in flashover voltage evaluation. In this work, laboratory studies are
L.S. Nasrat +2 more
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Effect of Temperature on Creeping Flashover Voltage of Nanofilled Oil-Pressboard Insulation
IEEE Access, 2020 Creeping flashover (surface discharge) at oil-pressboard interface is considered a serious failure of the insulation system in power transformers. In this paper, creeping flashover voltage at oil-pressboard interface using the concept of nanofluids is ...
Mohamed E. Ibrahim +3 more
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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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