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An Ageing Study of Blends of Dodecylbenzene and Mineral Oil

An Ageing Study of Blends of Dodecylbenzene and Mineral Oil
An Ageing Study of Blends of Dodecylbenzene and Mineral Oil
The practice of backfilling existing paper/mineral oil insulated cables with dodecylbenzene (DDB) in the UK has produced systems where the fluid phase is, in reality, a mixture of these two oil types. This investigation therefore set out to study the ageing behavior of a range of DDB/mineral oil blend systems. Samples ranging in composition from 100% mineral oil to 100% DDB were aged in air (oxidising) and nitrogen (inert) atmospheres and the resulting systems were analyzed using a range of physical and chemical techniques. All approaches produced a consistent picture, demonstrating that the addition of between 10 and 25 % of mineral oil to DDB significantly improves its resistance to ageing under the various conditions imposed in this study. Such blend systems exhibit a combination of properties that renders them superior to either mineral oil or DDB alone.
1664-1675
Hosier, I.L.
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Sutton, S.J.
571c7136-1eb6-44e1-8979-ca0829469a6b
Cooper, J.
e755699a-8bfb-40a1-98f1-b5d3d0ae82e5
Hosier, I.L.
6a44329e-b742-44de-afa7-073f80a78e26
Vaughan, A.S.
6d813b66-17f9-4864-9763-25a6d659d8a3
Sutton, S.J.
571c7136-1eb6-44e1-8979-ca0829469a6b
Cooper, J.
e755699a-8bfb-40a1-98f1-b5d3d0ae82e5

Hosier, I.L., Vaughan, A.S., Sutton, S.J. and Cooper, J. (2009) An Ageing Study of Blends of Dodecylbenzene and Mineral Oil. IEEE Transaction on Dielectrics and Electrical Insulation, 16 (6), 1664-1675.

Record type: Article

Abstract

The practice of backfilling existing paper/mineral oil insulated cables with dodecylbenzene (DDB) in the UK has produced systems where the fluid phase is, in reality, a mixture of these two oil types. This investigation therefore set out to study the ageing behavior of a range of DDB/mineral oil blend systems. Samples ranging in composition from 100% mineral oil to 100% DDB were aged in air (oxidising) and nitrogen (inert) atmospheres and the resulting systems were analyzed using a range of physical and chemical techniques. All approaches produced a consistent picture, demonstrating that the addition of between 10 and 25 % of mineral oil to DDB significantly improves its resistance to ageing under the various conditions imposed in this study. Such blend systems exhibit a combination of properties that renders them superior to either mineral oil or DDB alone.

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Published date: December 2009
Organisations: Electronics & Computer Science, EEE

Identifiers

Local EPrints ID: 268351
URI: https://eprints.soton.ac.uk/id/eprint/268351
PURE UUID: c8fec95e-be1c-43dd-a0f5-977514ff9f85
ORCID for I.L. Hosier: ORCID iD orcid.org/0000-0003-4365-9385

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Date deposited: 05 Jan 2010 10:01
Last modified: 06 Jun 2018 12:44

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