NDLI: A study of electrical tree partial discharges in nanocomposite epoxy

Content Provider	IEEE Xplore Digital Library
Author	Nyamupangedengu, C. Kochetov, R. Morshuis, P.H.F. Smit, J.J.
Copyright Year	2012
Description	Author affiliation: University of the Witwatersrand, Johannesburg, School of Electrical and Information Engineering, Private Bag 3, Wits 2050, Johannesburg, South Africa (Nyamupangedengu, C.) \|\| Delft University of Technology, High Voltage Technology and Management, Mekelweg 4, 2628CD, Delft, the Netherlands (Kochetov, R.; Morshuis, P.H.F.; Smit, J.J.)
Abstract	This paper presents results of a comparative study of the behavior of electrical tree partial discharges (PD) in clean epoxy and a MgO/epoxy resin nanocomposite. It was found that the PD phase-resolved patterns (PDPRP) of tree discharges in both clean epoxy and nanocomposite epoxy exhibited two distinct categories of small and big discharge pulses. In nanocomposite epoxy however, the average PD magnitude was orders of magnitude smaller and the repetition rate much lower than in clean epoxy. The difference is attributed to nanoparticles that block tree channels thereby effectively reducing the rate of electrical tree induced degradation of the nanocomposite.
Starting Page	906
Ending Page	911
File Size	726760
Page Count	6
File Format	PDF
ISBN	9781467312530
ISSN	00849162
e-ISBN	9781467312523
e-ISBN	9781467312516
DOI	10.1109/CEIDP.2012.6378928
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-14
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Partial discharges Insulation Discharges (electric) Nanoparticles Degradation Needles Vegetation
Content Type	Text
Resource Type	Article

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