Effects of UV illumination on surface flashover under pulsed unipolar excitation

J. Krile, A. Neuber, H. Krompholz

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Undesired surface flashover of high voltage support structure can severely limit the compactness of open air high voltage systems. Only recently, increased effort has been invested in characterizing and quantifying the physical processes involved in surface flashover occurring under atmospheric conditions and under the influence of UV illumination. Presently, UV flash lamps as well as a solid-state UV source, for their much faster turn-off times, are utilized in conjunction with a high temporal resolution testing apparatus. The UV pulse, voltage, current and flashover self luminosity will be measured with high temporal precision. A simple model that describes the observed behavior as well as a more advanced analysis utilizing a Monte Carlo type code for the electron collision dynamics will be presented.

Original languageEnglish
Title of host publicationPPPS-2007
Subtitle of host publicationPulsed Power and Plasma Science 2007, The 16th IEEE International Pulsed Power Conference and The 34th IEEE International Conference on Plasma Science
Pages1521-1527
Number of pages7
DOIs
StatePublished - 2007
EventPPPS-2007: Pulsed Power and Plasma Science 2007, The 16th IEEE International Pulsed Power Conference and The 34th IEEE International Conference on Plasma Science - Albuquerque, NM, United States
Duration: Jun 17 2007Jun 22 2007

Publication series

NamePPPS-2007 - Pulsed Power Plasma Science 2007
Volume2

Conference

ConferencePPPS-2007: Pulsed Power and Plasma Science 2007, The 16th IEEE International Pulsed Power Conference and The 34th IEEE International Conference on Plasma Science
Country/TerritoryUnited States
CityAlbuquerque, NM
Period06/17/0706/22/07

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