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Modelling space charge in HVDC cable insulation

Modelling space charge in HVDC cable insulation
Modelling space charge in HVDC cable insulation
The design of high-voltage direct-current extruded cable is one of the most challenging issues in the cable industry, as the electric field distribution across the insulation can be strongly affected by the presence of space charge, which can subsequently affect its long-term reliability and life expectancy. In this study, the bipolar charge transport model was utilized to calculate space charge and field distribution in a polymeric cable insulation, and the result was compared with the one obtained by the conductivity model which is commonly used in the cable industry. It is shown that the simulation results of the bipolar charge transport model are more comparable with the previous experimental work, and the shortcomings of the conductivity model are presented. At last, the feasibility and potential issues of the new method are discussed for further development.
1132-1142
Springer
Zhan, Yunpeng
5d162333-4c63-4b95-9a11-87d6b438aea0
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Hao, Miao
181e8cd2-9050-412f-8234-6aa0ecec23f2
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50
Pu, Lu
10509dbc-38fd-4da9-9ea2-0572f3bce6fa
Zhao, Xuefeng
d5bed945-c871-4aeb-8662-6cb6720299fa
Sun, Haofei
d67245e2-4acd-4ffa-bcba-5ff9d0d4ae9e
Wang, Sen
003d3e09-ec33-4b78-852a-626e8532f5cb
Guo, Anxiang
d6d53111-0ed7-4af3-97a0-e33c9347e290
Liu, Jian
03c42a59-6f39-4069-a4b0-464958554e96
Nemeth, B.
Zhan, Yunpeng
5d162333-4c63-4b95-9a11-87d6b438aea0
Chen, George
3de45a9c-6c9a-4bcb-90c3-d7e26be21819
Hao, Miao
181e8cd2-9050-412f-8234-6aa0ecec23f2
Xu, Zhiqiang
797f8b0e-a035-4cf9-ac3f-99098a3fdb50
Pu, Lu
10509dbc-38fd-4da9-9ea2-0572f3bce6fa
Zhao, Xuefeng
d5bed945-c871-4aeb-8662-6cb6720299fa
Sun, Haofei
d67245e2-4acd-4ffa-bcba-5ff9d0d4ae9e
Wang, Sen
003d3e09-ec33-4b78-852a-626e8532f5cb
Guo, Anxiang
d6d53111-0ed7-4af3-97a0-e33c9347e290
Liu, Jian
03c42a59-6f39-4069-a4b0-464958554e96
Nemeth, B.

Zhan, Yunpeng, Chen, George, Hao, Miao, Xu, Zhiqiang, Pu, Lu, Zhao, Xuefeng, Sun, Haofei, Wang, Sen, Guo, Anxiang and Liu, Jian (2020) Modelling space charge in HVDC cable insulation. Nemeth, B. (ed.) In Proceedings of the 21st International Symposium on High Voltage Engineering. ISH2019. vol. 598, Springer. pp. 1132-1142 . (doi:10.1007/978-3-030-31676-1_106).

Record type: Conference or Workshop Item (Paper)

Abstract

The design of high-voltage direct-current extruded cable is one of the most challenging issues in the cable industry, as the electric field distribution across the insulation can be strongly affected by the presence of space charge, which can subsequently affect its long-term reliability and life expectancy. In this study, the bipolar charge transport model was utilized to calculate space charge and field distribution in a polymeric cable insulation, and the result was compared with the one obtained by the conductivity model which is commonly used in the cable industry. It is shown that the simulation results of the bipolar charge transport model are more comparable with the previous experimental work, and the shortcomings of the conductivity model are presented. At last, the feasibility and potential issues of the new method are discussed for further development.

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Modelling Space Charge in HVDC Cable Insulation - Accepted Manuscript
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Accepted/In Press date: 26 May 2019
e-pub ahead of print date: 28 November 2019
Published date: 2020

Identifiers

Local EPrints ID: 437213
URI: http://eprints.soton.ac.uk/id/eprint/437213
PURE UUID: 935b36a6-d0f8-43fb-879f-1e2da0f4453c
ORCID for Yunpeng Zhan: ORCID iD orcid.org/0000-0002-8171-8107
ORCID for Zhiqiang Xu: ORCID iD orcid.org/0000-0002-6640-7335

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Date deposited: 22 Jan 2020 17:30
Last modified: 18 Feb 2021 17:14

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Contributors

Author: Yunpeng Zhan ORCID iD
Author: George Chen
Author: Miao Hao
Author: Zhiqiang Xu ORCID iD
Author: Lu Pu
Author: Xuefeng Zhao
Author: Haofei Sun
Author: Sen Wang
Author: Anxiang Guo
Author: Jian Liu
Editor: B. Nemeth

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