Space charge controlled electric field preceding inception of electric tree in XLPE at AC voltage - Details

author：

Zheng, Y. (Zheng, Y..) ^[1] | Serdyuk, Y.V. (Serdyuk, Y.V..) ^[2] | Gubanski, S.M. (Gubanski, S.M..) ^[3]

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Abstract：

Electric　fields　associated　with　dynamic　space　charges　injected　from　metallic　needle　electrode　immersed　into　XLPE　sample　are　analyzed　by　means　of　computer　simulations.　Field　distributions　in　the　material　are　calculated　utilizing　bipolar　charge　transport　model.　It　is　shown　that　the　accumulated　space　charge　becomes　significant　with　time　and　affects　the　electric　field　distribution　in　the　sample.　The　obtained　magnitudes　and　profiles　of　the　resulting　fields　are　discussed　focusing　on　possible　mechanisms　of　electric　tree　inception　in　the　material.　©　2015　IEEE.

Keyword：

charge transport; electric field; electric tree; space charge; tree inception

Community：

[ 1 ] [Zheng, Y.]College of Electrical Engineering and Automation, Fuzhou University, Fuzhou, Fujian Province, China
[ 2 ] [Serdyuk, Y.V.]High Voltage Engineering, Chalmers University of Technology, Gothenburg, Sweden
[ 3 ] [Gubanski, S.M.]High Voltage Engineering, Chalmers University of Technology, Gothenburg, Sweden

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Proceedings of the IEEE International Conference on Properties and Applications of Dielectric Materials

Year： 2015

Volume： 2015-October

Page： 132-135

Language： English

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SCOPUS Cited Count： 13

ESI Highly Cited Papers on the List： 0 Unfold All

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