Breakdown Tests of Composite Materials, and the Importance of the Volume Effect

Søren Find Madsen, Joachim Holbøll, Mogens Henriksen, Stine Krog-Pedersen

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    High voltage testing of inhomogeneous composite materials often shows that the stressed volume has a great influence on the result. This paper tries to develop methods of estimating the stressed volume by calculating the theoretical extent of streamer propagation along insulating surfaces. A dynamical numerical model of a certain test setup is used to predict the actual volume tested depending on electrode geometry and peak impulse voltage. The geometry of the test setup as well as the thickness of the Glass Fibre Reinforced Polymer (GFRP) has been varied.
    Original languageEnglish
    Title of host publicationNordic Insulation Symposium 2005
    Publication date2005
    Publication statusPublished - 2005
    Event19th Nordic Insulation Symposium - Trondheim, Norway
    Duration: 13 Jun 200515 Jun 2005
    Conference number: 19

    Conference

    Conference19th Nordic Insulation Symposium
    Number19
    Country/TerritoryNorway
    CityTrondheim
    Period13/06/200515/06/2005

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