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Research on overvoltage and minimum air clearance on 1000 kV AC side of converter transformer in ±1100 kV Guquan converter station

In the hierarchically connected ultra-high voltage (UHV) DC projects, the minimum air clearance on the 1000 kV AC side of converter transformer directly affects the layout and area of the valve hall. The minimum air clearance is determined by the overvoltage and the flashover characteristics of diff...

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Hoofdauteurs: Lou Ying, Li Zhenqiang, Xie Liang, Wan Lei
Formaat: Artigo
Taal:Inglês
Gepubliceerd in: Wiley 2019-04-01
Reeks:The Journal of Engineering
Onderwerpen:
HVDC power convertors
power system transients
power transmission lines
overvoltage protection
flashover
poles and towers
power grids
HVDC power transmission
power transformers
substations
UHV DC projects
minimum air clearance
AC side
converter transformer
AC power grid
electrode flashover characteristics
general UHV AC projects
relevant overvoltage calculation
related AC system
power frequency overvoltage
phase-to-phase overvoltage
phase-to-phase air clearances
Guquan converter station
long wave-front
Wannan convertor station
voltage 1100.0 kV
voltage 1000.0 kV
Online toegang:https://digital-library.theiet.org/content/journals/10.1049/joe.2018.8904
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