Modelling of Partial Discharge Activity in a Cavity within a Dielectric Insulation Material


Bai, Tianyu, Swaffield, D J and Lewin, P L (2011) Modelling of Partial Discharge Activity in a Cavity within a Dielectric Insulation Material. At UHVnet 2011, Winchester, UK, 18 - 19 Jan 2011. , 69.

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Description/Abstract

The pattern of partial discharge（PD）occurrence at a defect site within a solid dielectric material is influenced by the conditions of the defect site. This is because the defect conditions such as its size and location determine the electric field distributions at the defect site which influence the patterns of PD occurrence. A model for a spherical cavity and ellipsoidal cavity within a homogeneous dielectric material has been developed by using Finite Element Analysis (FEA) software. The model is used to study the influence of different conditions of the cavity on the electric field distribution in the cavity and the PD activity. Also, experimental measurements of PD in spherical cavity and ellipsoidal cavity of different size within a dielectric material are detailed.

Item Type: Conference or Workshop Item (Poster)
Additional Information: Event Dates: 18-19 January 2011
Divisions: Faculty of Physical and Applied Science > Electronics and Computer Science
Faculty of Physical and Applied Science > Electronics and Computer Science > EEE
Item ID: 271864
Date Deposited: 04 Jan 2011 20:39
Last Modified: 01 Mar 2012 13:54
Contributors: Bai, Tianyu (Author)
Swaffield, D J (Author)
Lewin, P L (Author)
Date: 18 January 2011
Additional Information: Event Dates: 18-19 January 2011
Status: Published
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/271864

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