Charge accumulation characteristic on polymer insulator surface under AC voltage in air and C(4)F(7)N/CO(2) mixtures

Charge accumulation characteristic on polymer insulator surface under AC voltage in air and C(4)F(7)N/CO(2) mixtures

Charge accumulation has always been a problem for the safe operation of gas insulated switchgear (GIS)/gas insulated transmission line (GIL) both under AC and DC. It is of great significance to investigate the behaviour of surface charge under high voltage. In this study, the charge distribution cha...

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Bibliographic Details
Main Authors: Dayu Li, Guixin Zhang, Tianyu Wang, Yicen Hou
Format: Article
Language:English
Published: Wiley 2020-02-01
Series:High Voltage
Subjects:
surface potential
space charge
electrodes
surface charging
electron attachment
organic insulating materials
gas mixtures
polymer insulators
charge accumulation characteristic
polymer insulator surface
ac voltage
surface potential measurement
inversion algorithm
truncated phase
gis-gil operation
high voltage surface charge
heptafluorobutyronitrile-carbon dioxide mixtures
needle-plate electrode structure
charge distribution
three-tier concentric circle structure
c(4)f(7)n-co(2) gas mixtures
voltage amplitude
electron attachment cross-section
electron energy distribution
Online Access:https://digital-library.theiet.org/content/journals/10.1049/hve.2019.0267

Internet

https://digital-library.theiet.org/content/journals/10.1049/hve.2019.0267

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