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Effects of Lightning Impulses on the Dielectric Properties of HDPE

Effects of Lightning Impulses on the Dielectric Properties of HDPE
Effects of Lightning Impulses on the Dielectric Properties of HDPE
Impulse over-voltages are very common phenomena in electric power systems. Switching impulses are created by switching surges or local faults while lightning impulses are due to lightning strikes to overhead lines. Both impulses can travel as waves in the system, damaging insulation components and equipment. This paper shows that there may well be a reduction in electric field strength of the insulation of a power cable that experiences a lot of lightning impulse over-voltages. The paper also provides insight into the dominant ageing processes through the analysis of dielectric spectroscopy measurement data.
260-264
Dao, N L
747dde4f-7c71-46cb-b9dd-0ceb36a38688
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swingler, S G
4f13fbb2-7d2e-480a-8687-acea6a4ed735
Dao, N L
747dde4f-7c71-46cb-b9dd-0ceb36a38688
Lewin, P L
78b4fc49-1cb3-4db9-ba90-3ae70c0f639e
Swingler, S G
4f13fbb2-7d2e-480a-8687-acea6a4ed735

Dao, N L, Lewin, P L and Swingler, S G (2009) Effects of Lightning Impulses on the Dielectric Properties of HDPE. At The 11th International Electrical Insulation Conference The 11th International Electrical Insulation Conference, United Kingdom. 26 - 28 May 2009. pp. 260-264.

Record type: Conference or Workshop Item (Paper)

Abstract

Impulse over-voltages are very common phenomena in electric power systems. Switching impulses are created by switching surges or local faults while lightning impulses are due to lightning strikes to overhead lines. Both impulses can travel as waves in the system, damaging insulation components and equipment. This paper shows that there may well be a reduction in electric field strength of the insulation of a power cable that experiences a lot of lightning impulse over-voltages. The paper also provides insight into the dominant ageing processes through the analysis of dielectric spectroscopy measurement data.

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More information

Published date: 26 May 2009
Additional Information: Event Dates: 26-28 May 2009
Venue - Dates: The 11th International Electrical Insulation Conference, United Kingdom, 2009-05-26 - 2009-05-28
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 267554
URI: https://eprints.soton.ac.uk/id/eprint/267554
PURE UUID: 2029f789-5e19-4097-9bea-9a3d9e3e9874

Catalogue record

Date deposited: 12 Jun 2009 12:25
Last modified: 18 Jul 2017 07:03

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