Analysis of Statistical Distributions of Energization Overvoltages of EHV Cables

Teruo Ohno, Akihiro Ametani, Claus Leth Bak, Wojciech Wiechowski, Thomas K. Sørensen

Research output: Contribution to conference without publisher/journalPaper without publisher/journalResearchpeer-review

Abstract

Insulation levels of EHV systems have been determined based on the statistical distribution of switching overvoltages since 1970s when the statistical distribution was found for overhead lines. Responding to an increase in the planned and installed EHV cables, the authors have derived the statistical distribution of energization overvoltages for EHV cables and have made clear their characteristics compared with those of the overhead lines. This paper identifies the causes and physical meanings of the characteristics so that it becomes possible to use the obtained statistical distribution for the determination of insulation levels of cable systems.
Original languageEnglish
Publication date2013
Number of pages7
Publication statusPublished - 2013
EventInternational Conference on Power Systems Transients, IPST 2013 - Vancouver, Canada
Duration: 18 Jul 201320 Jul 2013

Conference

ConferenceInternational Conference on Power Systems Transients, IPST 2013
CountryCanada
CityVancouver
Period18/07/201320/07/2013

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