Results 1 to 10 of about 884 (177)
Novel dc flashover model for predicting flashover voltage of the iced insulators [PDF]
High Voltage, 2021 This work first proposes a novel flashover model based on the deduced residual resistance of the ice layer. The most important finding of the field icing tests is that the double‐layer ice‐melting water film exists on the inner and outer surfaces of the ...
Caijin Fan +6 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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Energy Reports, 2022 The anti-pollution flashover characteristic of composite insulators is the main indicators to evaluate their electrical performance, and the pollution flashover voltage can directly characterize the anti-pollution flashover characteristics of the ...
Wei Wang +7 more
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IEEE Access, 2019 It is significant to reveal the characteristics of voltage waveform of porcelain insulator with heavy industry pollution in flashover test. In this study, the contamination of insulator samples came from heavy industry pollution areas was measured.
Lei Lan +5 more
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IEEE Access, 2021 This work aimed to study the influence of contamination profiles and humidity on flashover electrical characteristics of polluted insulators. Firstly, the flashover tests on cap and pin glass insulators under four pollution levels represented by salinity
Ali Ahmed Salem +6 more
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Study the flashover voltage for outdoor polymer insulators under desert climatic conditions
Egyptian Journal of Petroleum, 2013 This work presents a study of flashover voltage for outdoor polyester and composite insulators under some desert climatic conditions. Cylindrical polyester composite samples have been prepared after incorporated with different concentrations of inorganic
L.S. Nasrat +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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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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Pollution Flashover Characteristics of Composite Crossarm Insulator with a Large Diameter
Energies, 2021 The composite crossarm insulator differs greatly from the suspension insulator in structure and arrangement. This study aims to determine the pollution flashover characteristics of composite crossarm insulators under different voltage grades.
Jing Nan +4 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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