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Polypropylene Laminated Paper (PPLP) Insulation for HVDC Power Cables

Polypropylene Laminated Paper (PPLP) Insulation for HVDC Power Cables
Polypropylene Laminated Paper (PPLP) Insulation for HVDC Power Cables
Space charge is a major issue that hinders the development of HVDC polymeric cables. On the other hand, HVDC cables with polypropylene laminated paper (PPLP) insulation has been in operation for a long time with a good record. In the present paper, the electrical performance of PPLP insulation has been studied to understand the reasons for its excellent characteristics. It has been found that the charge accumulated at the interface between PP and Kraft paper plays a key role in determining electrical performance of PPLP insulation. The formation of the interfacial charge results in an optimal electric field distribution for PPLP insulation system as well as a small and electric field independent conductivity.
space charge accumulation, electric field distribution, PPLP insulation, electrical performance
Chen, Guanghui
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50
Chen, Guanghui
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50

Chen, Guanghui and Xu, Zhiqiang (2018) Polypropylene Laminated Paper (PPLP) Insulation for HVDC Power Cables. 12th International Conference on the Properties and Applications of Dielectric Materials, Xian, China. 19 - 23 May 2018. 5 pp . (Submitted)

Record type: Conference or Workshop Item (Paper)

Abstract

Space charge is a major issue that hinders the development of HVDC polymeric cables. On the other hand, HVDC cables with polypropylene laminated paper (PPLP) insulation has been in operation for a long time with a good record. In the present paper, the electrical performance of PPLP insulation has been studied to understand the reasons for its excellent characteristics. It has been found that the charge accumulated at the interface between PP and Kraft paper plays a key role in determining electrical performance of PPLP insulation. The formation of the interfacial charge results in an optimal electric field distribution for PPLP insulation system as well as a small and electric field independent conductivity.

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More information

Submitted date: 5 March 2018
Venue - Dates: 12th International Conference on the Properties and Applications of Dielectric Materials, Xian, China, 2018-05-19 - 2018-05-23
Keywords: space charge accumulation, electric field distribution, PPLP insulation, electrical performance

Identifiers

Local EPrints ID: 418456
URI: http://eprints.soton.ac.uk/id/eprint/418456
PURE UUID: abf83dd7-3df6-462b-b637-df6ff8cf6077
ORCID for Zhiqiang Xu: ORCID iD orcid.org/0000-0002-6640-7335

Catalogue record

Date deposited: 09 Mar 2018 17:30
Last modified: 04 Aug 2020 01:38

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Contributors

Author: Guanghui Chen
Author: Zhiqiang Xu ORCID iD

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