High performance polymer blend systems for HVDC applications
High performance polymer blend systems for HVDC applications
Two polyethylene and two polypropylene blends crystallized under non-isothermal conditions were compared to a crosslinked polyethylene (XLPE) reference material. Selected blends contained a gelation agent, which forms a network structure within the material. Compared to XLPE, the blends offered higher melting points, reduced electrical conductivity, increased electrical breakdown strength, improved space charge performance and enhanced thermo-mechanical stability. Additional improvements in space charge behavior were also noted in systems containing the DBS gelation agent. The ability to provide recyclable insulation materials capable of operating at much higher temperatures than XLPE, combined with enhanced dielectric properties, may prove advantageous to cable manufacturers, particularly in renewable energy applications.
polymer blends, morphology, electrical breakdown strength, space charge, dibenzylidene Sorbitol
1197-1203
Hosier, Ian
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Pye, Amy
339b1586-7e05-4a35-a457-cc4316958bde
Stevens, Gary
465aabf0-844e-4c01-9bbf-ec27614d668b
August 2019
Hosier, Ian
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Pye, Amy
339b1586-7e05-4a35-a457-cc4316958bde
Stevens, Gary
465aabf0-844e-4c01-9bbf-ec27614d668b
Hosier, Ian, Vaughan, Alun, Pye, Amy and Stevens, Gary
(2019)
High performance polymer blend systems for HVDC applications.
IEEE Transactions on Dielectrics and Electrical Insulation, 26 (4), .
(doi:10.1109/TDEI.2019.007954).
Abstract
Two polyethylene and two polypropylene blends crystallized under non-isothermal conditions were compared to a crosslinked polyethylene (XLPE) reference material. Selected blends contained a gelation agent, which forms a network structure within the material. Compared to XLPE, the blends offered higher melting points, reduced electrical conductivity, increased electrical breakdown strength, improved space charge performance and enhanced thermo-mechanical stability. Additional improvements in space charge behavior were also noted in systems containing the DBS gelation agent. The ability to provide recyclable insulation materials capable of operating at much higher temperatures than XLPE, combined with enhanced dielectric properties, may prove advantageous to cable manufacturers, particularly in renewable energy applications.
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Accepted/In Press date: 15 February 2019
e-pub ahead of print date: 1 August 2019
Published date: August 2019
Keywords:
polymer blends, morphology, electrical breakdown strength, space charge, dibenzylidene Sorbitol
Identifiers
Local EPrints ID: 428379
URI: http://eprints.soton.ac.uk/id/eprint/428379
ISSN: 1070-9878
PURE UUID: 220fe356-159c-4f5f-96de-e253debfc293
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Date deposited: 22 Feb 2019 17:30
Last modified: 16 Mar 2024 07:36
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Contributors
Author:
Ian Hosier
Author:
Alun Vaughan
Author:
Amy Pye
Author:
Gary Stevens
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