The effect of fillers and barrier on electrical tree

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F49777513%3A23220%2F16%3A43928863" target="_blank" >RIV/49777513:23220/16:43928863 - isvavai.cz</a>
Result on the web
<a href="http://ieeexplore.ieee.org/document/7521761/" target="_blank" >http://ieeexplore.ieee.org/document/7521761/</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1109/EPE.2016.7521761" target="_blank" >10.1109/EPE.2016.7521761</a>

Result language
angličtina
Original language name
The effect of fillers and barrier on electrical tree
Original language description
This paper deals with the effect of inorganic micro/nanofillers and nanofabric on electrical tree growth in high voltage insulation. Experiments were conducted at a constant AC voltage of 20 kHz, 50 Hz epoxy samples without any fillers as well as epoxy nanocomposites with hydrophobic nanosilica or hydrophilic microsilica or polyamide nanofabric. The time to breakdown tree was observed and the transparency of the resin allows observe branches of electrical trees by the help of an electronic microscope. The results show that the time required for the tree to reach the opposite electrode increases, for a nanofiller and a microfiller loading of 1% by weight in comparison with unfilled epoxy. Polyamide nanofabric used as a barrier doesn't have influence for increased time to breakdown, only changes the direction of tree growth. The tree growth patterns are different for both the pure epoxy and the epoxy nanocomposites. The possible reasons why and how nanoparticles improve the electrical tree growth resistance are discussed.
Czech name
—
Czech description
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Project
<a href="/en/project/LO1607" target="_blank" >LO1607: RICE - New technologies and concepts for smart industrial system</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the 2016 17th International Scientific Conference on Electric Power Engineering (EPE)
ISBN
978-1-5090-0907-7
ISSN
—
e-ISSN
—
Number of pages
4
Pages from-to
355-358
Publisher name
Czech Technical University in Prague
Place of publication
Prague
Event location
Praha, Česká republika
Event date
May 16, 2016
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000382934600047

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