Tower Air-gaps discharge characteristics and insulation coordination for UHV AC double-circuit line

Tower Air-gaps discharge characteristics and insulation coordination for UHV AC double-circuit line

In order to give out inverse V-type insulator tower air-gaps configuration of double-circuit UHV AC power transmission line, different distance air-gaps from high-voltage electrode to tower frame discharge tests of inverse V-string are carried out. Discharge characteristics curves of power frequency...

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Bibliographic Details
Main Authors: Huo Feng, Nan Jing, Ye Qiming, Ma Yeming
Format: Article
Language:English
Published: Wiley 2019-04-01
Series:The Journal of Engineering
Subjects:
power transmission lines
poles and towers
insulators
lightning protection
air gaps
electrodes
overvoltage protection
power transmission protection
distance 7.2 m
distance 6.7 m
distance 6.5 m
distance 2.9 m
time 1000.0 mus
discharge voltage gradient
UHV AC double-circuit tower
lightning impulse
wavefront switching impulse voltage
inverse V-string
tower air-gap discharge characteristics
lightning protection air-gap configurations
phase air-gap configurations
double-circuit UHV AC power transmission line system
tower frame discharge testing
insulation coordination
power frequency voltage
discharge characteristics curves
high-voltage electrode
inverse V-type insulator tower air-gaps configuration
UHV AC double-circuit line
Online Access:https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8720

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