Effects of surface roughness on DC and AC surface flashover performances of epoxy composites in SF6/N2 mixtures [PDF]
AIP AdvancesSurface flashover of the epoxy insulator is one of the urgent insulation issues in SF6/N2 filled gas-insulated equipment, causing irreversible insulation failure and harming the secure operation of power systems. However, the effects of surface roughness,
Lei Zhang +9 more
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IEEE Access, 2019 Surface flashover fault is one of the most challenge issues in oil-cellulose insulation pressboard system used in power transformer. In this study, a comparative study of the AC surface flashover properties of the novel 3-element mixed oil-cellulose ...
Xin Chen +5 more
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The Effect of a Vertical Electric Field on the Surface Flashover Characteristics of a Bushing Model
Energies, 2018 High-voltage bushings play a crucial role in energy conveyance. Their specialized electric structure makes the bushing more vulnerable to surface discharge.
Mingxi Zhu +5 more
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Significantly enhanced flashover voltage of epoxy in vacuum by graded surface roughness modification
High Voltage, 2023 The flashover strength of epoxy (EP) insulations in the High voltage direct current applications of future energy grids can be improved by tailoring their surface condition.
Inzamam Ul Haq +4 more
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Monitoring insulator contamination level under dry condition with a microwave reflectometer [PDF]
, 2015 —Build-up of surface contamination on high voltage insulators can lead to an increase in leakage current and partial discharge, which may eventually develop into flashover. Conventional contamination level monitoring systems based on leakage current,
Jiang, Yan +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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Increased surface flashover voltage in microfabricated devices [PDF]
, 2013 With the demand for improved performance in microfabricated devices, the necessity to apply greater electric fields and voltages becomes evident. When operating in vacuum, the voltage is typically limited by surface flashover forming along the surface of
Hensinger, W. K. +3 more
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High flashover strength and superhydrophobic coatings by constructing porous surface structure
High Voltage, 2023 Flashover is prone to occur in composite insulation structures such as vacuum‐solid and gas‐solid, which are universally employed in high‐voltage power equipment.
Mengtao Li +5 more
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IEEE Access, 2023 Flashover characteristics are closely related to the electrical field distribution on the surface of oil-paper insulation. In this study, the effects of electrical field and DC voltage components on the creepage flashover characteristics of oil-paper ...
Jin Fubao, Zhou Yuanxiang
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Fire design in safety engineering: likely fire curve for people’s safety [PDF]
, 2018 The present study analyses fire design settings according to Fire Safety Engineering (FSE) for the simulation of fire in civil activities and compares these simulations developed using natural and analytic fire curves.
Grossi, Luca +4 more
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