The effect of degassing on morphology and space charge


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

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Description/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.

Item Type: Conference or Workshop Item (Speech)
Additional Information: Event Dates: July 5--9, 2004
ISBNs: 0780383486
Keywords: Space charge, XLPE, treatment, morphology
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science
Faculty of Physical Sciences and Engineering > Electronics and Computer Science > EEE
ePrint ID: 260172
Date Deposited: 02 Dec 2004
Last Modified: 27 Mar 2014 20:02
Further Information:Google Scholar
ISI Citation Count:0
URI: http://eprints.soton.ac.uk/id/eprint/260172

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