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The effect of degassing on morphology and space charge

The effect of degassing on morphology and space charge
The effect of degassing on morphology and space charge
It is believed that space charge buildup in cross-linked polyethylene (XLPE) insulation is the main cause for premature failure of underground power cables. The space charge activities in XLPE depend on many factors such as additives, material treatment, ambient temperature, insulator/electrode interface, etc. Degassing is one of the material treatment process commonly employ in cable manufacturing to improve insulation performance. In this paper, investigation on the effect of degassing period has on the morphology and space charge was carried out. Planar XLPE samples of the same composite were subjected to different degassing time. It is discovered that apart from removing volatile by-products, degassing also anneal XLPE material; changing the morphology as a result.
Space charge, XLPE, treatment, morphology
0-7803-8348-6
162-165
Chong, Y L
840d104f-c7df-427b-9ef4-b8e535c0f46c
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Ho, Y F F
d4320db9-0f48-4e59-be44-f757ead10967
Chong, Y L
840d104f-c7df-427b-9ef4-b8e535c0f46c
Chen, G
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Ho, Y F F
d4320db9-0f48-4e59-be44-f757ead10967

Chong, Y L, Chen, G and Ho, Y F F (2004) The effect of degassing on morphology and space charge. 2004 IEEE International Conference on Solid Dielectrics, France. 05 - 09 Jul 2004. pp. 162-165 .

Record type: Conference or Workshop Item (Other)

Abstract

It is believed that space charge buildup in cross-linked polyethylene (XLPE) insulation is the main cause for premature failure of underground power cables. The space charge activities in XLPE depend on many factors such as additives, material treatment, ambient temperature, insulator/electrode interface, etc. Degassing is one of the material treatment process commonly employ in cable manufacturing to improve insulation performance. In this paper, investigation on the effect of degassing period has on the morphology and space charge was carried out. Planar XLPE samples of the same composite were subjected to different degassing time. It is discovered that apart from removing volatile by-products, degassing also anneal XLPE material; changing the morphology as a result.

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More information

Published date: 2004
Additional Information: Event Dates: July 5--9, 2004
Venue - Dates: 2004 IEEE International Conference on Solid Dielectrics, France, 2004-07-05 - 2004-07-09
Keywords: Space charge, XLPE, treatment, morphology
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 260172
URI: https://eprints.soton.ac.uk/id/eprint/260172
ISBN: 0-7803-8348-6
PURE UUID: 4dfdb386-7649-4f35-a4c0-849943aa9994

Catalogue record

Date deposited: 02 Dec 2004
Last modified: 18 Jul 2019 15:56

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