Direct relationship between breakdown strength and tracking index of composites

Søren Find Madsen, Mogens Henriksen, Joachim Holbøll

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Abstract

The following paper shows a clear correlation between the measured tracking index and the breakdown field strength for noncoated glass fibre reinforced polymers (GFRP) with either a polyester or an epoxy based resin. 17 types of specimens have been tested according to IEC Publication 60587. The breakdown field strength of specimens cut from similar samples is determined by a new method capable of estimating the stressed volume. The results from the two tests are finally compared and incorporated in a single analytical formula. All test specimens are supplied by Danish manufacturers of wind turbine blades and are made under similar conditions and with the same materials and additives as used in the blade manufacture.
Original languageEnglish
Title of host publicationProceedings of the IEEE International Symposium on Electrical Insulation
PublisherIEEE
Publication date2006
ISBN (Print)1-4244-0333-2
DOIs
Publication statusPublished - 2006
Event2006 IEEE International Symposium on Electrical Insulation - Toronto, Canada
Duration: 11 Jun 200614 Jun 2006
http://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=11047

Conference

Conference2006 IEEE International Symposium on Electrical Insulation
CountryCanada
CityToronto
Period11/06/200614/06/2006
Internet address

Bibliographical note

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Cite this

Madsen, S. F., Henriksen, M., & Holbøll, J. (2006). Direct relationship between breakdown strength and tracking index of composites. In Proceedings of the IEEE International Symposium on Electrical Insulation IEEE. https://doi.org/10.1109/ELINSL.2006.1665255