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Influence of Internal Discharges in a Cavity within Polymeric Insulating Material Caused by Partial Discharge Mechanisms

Influence of Internal Discharges in a Cavity within Polymeric Insulating Material Caused by Partial Discharge Mechanisms
Influence of Internal Discharges in a Cavity within Polymeric Insulating Material Caused by Partial Discharge Mechanisms
This paper presents the time varying characteristics of partial discharge (PD) activity in a cylindrical cavity within polymeric insulation. The samples are produced using a multiple layer technique with polyethylene terephthalate (PET) selected as the solid dielectric. The results highlight the degradation process of the cavity surface through the exposure to a HV AC electric field and the impact of this on PD activity. The variation in sample conditions are linked to PD analysis in each case with one sample having exhibited electrical tree growth. The morphological surface and chemical composites of the test samples are analysed using Raman spectroscopy and an optical microscope.
partial discharge, cylindrical cavity, polyethylene terephthalate, degradation process, electrical tree growth, Raman spectroscopy
978-1-4673-7498-9
342-345
Tanmaneeprasert, T
8a06b23b-1cca-43c9-a86b-798fb1cd157e
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Hunter, J A
01b60e7a-55eb-4609-a26c-0701c39f5f08
Tanmaneeprasert, T
8a06b23b-1cca-43c9-a86b-798fb1cd157e
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Hunter, J A
01b60e7a-55eb-4609-a26c-0701c39f5f08

Tanmaneeprasert, T, Lewin, P L and Hunter, J A (2015) Influence of Internal Discharges in a Cavity within Polymeric Insulating Material Caused by Partial Discharge Mechanisms. 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena, Ann Arbor, United States. 18 - 21 Oct 2015. pp. 342-345 .

Record type: Conference or Workshop Item (Paper)

Abstract

This paper presents the time varying characteristics of partial discharge (PD) activity in a cylindrical cavity within polymeric insulation. The samples are produced using a multiple layer technique with polyethylene terephthalate (PET) selected as the solid dielectric. The results highlight the degradation process of the cavity surface through the exposure to a HV AC electric field and the impact of this on PD activity. The variation in sample conditions are linked to PD analysis in each case with one sample having exhibited electrical tree growth. The morphological surface and chemical composites of the test samples are analysed using Raman spectroscopy and an optical microscope.

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Published date: 18 October 2015
Venue - Dates: 2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena, Ann Arbor, United States, 2015-10-18 - 2015-10-21
Keywords: partial discharge, cylindrical cavity, polyethylene terephthalate, degradation process, electrical tree growth, Raman spectroscopy
Organisations: EEE

Identifiers

Local EPrints ID: 384425
URI: http://eprints.soton.ac.uk/id/eprint/384425
ISBN: 978-1-4673-7498-9
PURE UUID: d8617044-bcad-4dbf-bc9f-b1f82c934c89

Catalogue record

Date deposited: 26 Nov 2015 11:47
Last modified: 19 Jul 2019 20:26

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