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Temperature Gradient Effect on the Conductivity of an XLPE Insulated Polymeric Power Cable

Record type: Conference or Workshop Item (Paper)

Distribution of electric field across the insulation of high voltage direct current (HVDC) is affected by the conductivity of the material, which is a function of both temperature and electric field. To understand the effect of temperature on the conductivity of the insulation across a dc power cable under load condition, an investigation is conducted on the electrical conductivity of the cross-linked polyethylene (XLPE) peelings from a undegassed 11 kV ac polymeric insulated power cable. The results highlight the complexity of electric conduction in the XLPE peel where it strongly relies on both the application of high electric field and temperature, suggesting that the conduction is space charge limited and injection controlled. Furthermore, thermal activation energy of the material is obtained based on the measured material properties where the dependences effect on the dc cable is being considered.

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Citation

Choo, W, Chen, G and Swingler, S G (2010) Temperature Gradient Effect on the Conductivity of an XLPE Insulated Polymeric Power Cable At 2010 IEEE International Conference on Solid Dielectrics, Germany. 04 - 09 Jul 2010. , pp. 691-694.

More information

Published date: 4 July 2010
Additional Information: Event Dates: 4 - 9 July 2010
Venue - Dates: 2010 IEEE International Conference on Solid Dielectrics, Germany, 2010-07-04 - 2010-07-09
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 271371
URI: http://eprints.soton.ac.uk/id/eprint/271371
ISBN: 978-1-4244-7492-9
PURE UUID: 7aa8116e-5b64-4682-bece-5ab59f97045d

Catalogue record

Date deposited: 07 Jul 2010 14:37
Last modified: 18 Jul 2017 06:43

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Contributors

Author: W Choo
Author: G Chen
Author: S G Swingler

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