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Evaluation of Electrical Performance and Life Estimation of PPs for HVDC Power Cable

Author

Listed:
  • Seung-Won Lee

    (Superconductivity Research Center, Korea Electrotechnology Research Institute, Seongju-dong, Changwon-si 51543, Korea)

  • Hae-Jong Kim

    (Superconductivity Research Center, Korea Electrotechnology Research Institute, Seongju-dong, Changwon-si 51543, Korea)

  • Ik-Su Kwon

    (Superconductivity Research Center, Korea Electrotechnology Research Institute, Seongju-dong, Changwon-si 51543, Korea)

  • Jang-Seob Lim

    (Division of Marine Mechatronics, Mokpo National Maritime University, Mokpo-si 58654, Korea)

Abstract

Demand and need for the application of high voltage direct current (HVDC) are increasing because of high capacity and long-distance transmission. Research on polypropylene (PP) that can increase the operation temperature compared to existing insulation is constantly being considered. This study aimed to evaluate the electrical performance and estimate the life of HVDC application of PP. In this study, a DC V-t characteristic tests were conducted on three types of PP sheets at a temperature of 110 °C. In addition, a life estimation formula based on the electrical stress was derived and the electrical performances were evaluated. The experimental results show that the life exponent of material mixed with block copolymer, homo polymer and high density polyethylene (HDPE) was 23 and the electrical performance was 17% better than block copolymer, thereby demonstrating the reliability and electrical performance for application of HVDC.

Suggested Citation

  • Seung-Won Lee & Hae-Jong Kim & Ik-Su Kwon & Jang-Seob Lim, 2021. "Evaluation of Electrical Performance and Life Estimation of PPs for HVDC Power Cable," Energies, MDPI, vol. 14(18), pages 1-12, September.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:18:p:5673-:d:632179
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    Cited by:

    1. Zhaoliang Xing & Zhenlu Gu & Chong Zhang & Shaowei Guo & Huize Cui & Qingquan Lei & Guochang Li, 2022. "Influence of Space Charge on Dielectric Property and Breakdown Strength of Polypropylene Dielectrics under Strong Electric Field," Energies, MDPI, vol. 15(12), pages 1-11, June.

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