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Measurements of the charge of streamers propagating along transformer oil-solid interfaces
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-4800-9990
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-6375-6142
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2014 (English)In: Proceedings of the 2014 IEEE 18th International Conference on Dielectric Liquids, ICDL 2014, IEEE , 2014, 6893165- p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents an experimental study of the positive streamer charge in transformer oil and oil-solid interfaces in a point-plane gap (5mm) under impulse voltage 50ns\1800μs (maximum peak voltage 24 kV). The experiment is intended to compare the charge of streamers propagating in transformer oil with and without a solid barrier along their path. The solid barrier constricting the streamer volume consists of two parallel strips of either impregnated pressboard or a polymeric film (PA6) installed at both sides of the point electrode. The maximum cumulative charge of the streamer is found for the case when the impregnated pressboard is used and the minimum cumulative charge for the case of the polymer as a barrier.

Place, publisher, year, edition, pages
IEEE , 2014. 6893165- p.
Series
IEEE International Conference on Dielectric Liquids, ISSN 2153-3725
Keyword [en]
charge, polymer, pressboard, Streamer, transformer oil
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-157982DOI: 10.1109/ICDL.2014.6893165ISI: 000360485100096Scopus ID: 2-s2.0-84907907347ISBN: 978-1-4799-2063-1 (print)OAI: oai:DiVA.org:kth-157982DiVA: diva2:773172
Conference
2014 IEEE 18th International Conference on Dielectric Liquids, ICDL 2014, 29 June 2014 through 3 July 2014, Bled; Slovenia
Funder
StandUp
Note

QC 20150623

Available from: 2014-12-18 Created: 2014-12-18 Last updated: 2015-09-29Bibliographically approved

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Publisher's full textScopushttp://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=6893165

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Becerra, Marley

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