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Precision electric characterization of LDPE specimens made by different manufacturing processes
Chalmers Univ Technol, SE-41296 Gothenburg, Sweden..
Chalmers Univ Technol, SE-41296 Gothenburg, Sweden..
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology, Polymeric Materials.
ABB AB, Corp Res, Power Technol, SE-72178 Vasteras, Sweden..
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2018 (English)In: CHVE 2018 - 2018 IEEE International Conference on High Voltage Engineering and Application, Institute of Electrical and Electronics Engineers (IEEE), 2018, article id 8641846Conference paper, Published paper (Refereed)
Abstract [en]

This work introduces two measurement techniques for precision determination of ultra-low conductivity and accurate characterization of dielectric frequency response for the assessments of polymeric materials used in HVDC insulations. To demonstrate the proposed methods, electrical properties of four different low density polyethylene (LDPE) specimens, obtained by different manufacturing processes were characterized. Results obtained from dc conductivity measurements revealed clear separation of the conduction current levels in the studied specimens. Dielectric losses obtained from the frequency response measurements agrees well with the differences observed in the measured conductivities. This study concludes that the different manufacturing processes have a significant impact on materials electric properties and these parameters can be characterized with precision beyond the existing instruments' specification by using the proposed methods.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2018. article id 8641846
Series
International Conference on High Voltage Engineering and Application, ISSN 2381-5043
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-249919DOI: 10.1109/ICHVE.2018.8641846ISI: 000462278900021Scopus ID: 2-s2.0-85063094743ISBN: 978-1-5386-5086-8 (print)OAI: oai:DiVA.org:kth-249919DiVA, id: diva2:1313089
Conference
IEEE International Conference on High Voltage Engineering and Application (ICHVE), SEP 10-13, 2018, Athens, Greece
Note

QC 20190502

Available from: 2019-05-02 Created: 2019-05-02 Last updated: 2019-05-02Bibliographically approved

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Karlsson, Mattias E.Gedde, Ulf W

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CiteExportLink to record
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