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Modelling Space Charge in HVDC Cable Insulation

  • Yunpeng ZhanEmail author
  • George Chen
  • Miao Hao
  • Zhiqiang Xu
  • Lu Pu
  • Xuefeng Zhao
  • Haofei Sun
  • Sen Wang
  • Anxiang Guo
  • Jian Liu
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 598)

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.

Keywords

HVDC cable Field distribution Bipolar charge transport model 

Notes

Acknowledgments

We would like to acknowledge the financial support from the technology project of State Grid Shaanxi Electric Power Company [5226KY16001G] and [2018GY-001].

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.University of SouthamptonSouthamptonUK
  2. 2.State Grid Shaanxi Electric Power Research InstituteXi’anChina

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