Influence of pulse front steepness on vacuum flashover characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2018.03.214
Abstract: Abstract Studying flashover characteristics in vacuum environment is extremely significant for designing reliable insulation structures. The waveform of applied voltage excitations greatly affects the flashover process. In this study, the influence of nanosecond pulse front… read more here.
Keywords: steepness; pulse front; front steepness; flashover characteristics ... See more keywords
DC surface flashover characteristics of G-11CR in vacuum from room temperature to cryogenic temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Cryogenics"
DOI: 10.1016/j.cryogenics.2019.03.008
Abstract: Abstract A helium-free cryostat for DC flashover voltage measurement was constructed. The G-11CR film specimens were tested in vacuum at the temperatures of 293 K, 77 K and 9 K and Weibull distribution was obtained. The results show… read more here.
Keywords: surface flashover; temperature; flashover characteristics; characteristics 11cr ... See more keywords
The mechanism of EP/SiC coating modulated DC flashover characteristics of epoxy composites in SF6/N2 mixtures
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Physics D: Applied Physics"
DOI: 10.1088/1361-6463/ad3bc1
Abstract: Surface flashover is an inevitable insulation issue for basin-type insulators in gas-insulated switchgears/lines, which significantly challenges the reliability of the electrical power systems. Previous studies have indicated that polymer/semiconductor-filler composite coatings effectively improve the insulation… read more here.
Keywords: surface charge; mechanism sic; flashover characteristics; coating ... See more keywords
Effect of Electric-Field Components on the Flashover Characteristics of Oil-Paper Insulation Under Combined AC-DC Voltage
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2022.3233082
Abstract: 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… read more here.
Keywords: electric field; oil paper; component; voltage ... See more keywords
Pollution Flashover Characteristics of Hydrophilic Surface Under Superimposed AC/DC Voltage
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Transactions on Dielectrics and Electrical Insulation"
DOI: 10.1109/tdei.2024.3521881
Abstract: Insulation devices in the flexible high-voltage direct current (HVdc) transmission system couple a specific ac component. To reveal the pollution flashover characteristics of hydrophilic surfaces under superimposed ac/dc voltage, this article designs a power supply… read more here.
Keywords: pollution flashover; flashover characteristics; superimposed voltage; voltage ... See more keywords
DC Surface Flashover Characteristics of Polyimide Containing Polyhedral Oligomeric Silsesquioxane (POSS) in the Main Chains under Vacuum
Sign Up to like & getrecommendations! Published in 2022 at "Polymers"
DOI: 10.3390/polym14122453
Abstract: Polyimide, which is widely used to insulate power equipment operating in a vacuum environment, is prone to insulation failure due to surface flashover. Using POSS to modify it is an effective solution. This paper focuses… read more here.
Keywords: surface; flashover characteristics; film; poss ... See more keywords