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Research on Alternating Current Resistance of High-Voltage Cable Conductors: Optimization of Test Method and Discussion of Test Results

Author

Listed:
  • Guiyuan Yang

    (Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China)

  • Yanqi Zeng

    (Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China)

  • Xiaofeng Xu

    (Shanghai Electric Cable Research Institute Co., Ltd., Shanghai 200093, China)

  • Xiaodong Liu

    (Guangzhou Nanyang Cable Group Co., Ltd., Guangzhou 511356, China)

  • Haowen Chen

    (Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China)

  • Dong Dai

    (Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China)

  • Gang Liu

    (Guangdong Key Laboratory of Clean Energy Technology, School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China)

Abstract

With advancements in cable manufacturing processes, the physical parameters of certain cable conductors fall outside of the scope specified by the IEC60287-1-1 standard, and the alternating current (AC) resistance calculated using the IEC standard may lead to reliability issues in the thermal evaluation of cable lines. Therefore, conducting an AC resistance test on cable conductors becomes critical for the thermal evaluation of cable lines. The source of error in the existing AC resistance test was analyzed first. It was found that the characteristics of the source used in the test lead to an error between the test value and the actual value of AC resistance. Moreover, an optimized AC resistance testing method based on active power was proposed to decrease the error. The accuracy of the method was also demonstrated. Finally, AC resistance tests were conducted on cable conductors with different cross-sectional areas, segmental methods, and oxidation methods by using the proposed method. The test results are also thoroughly discussed.

Suggested Citation

  • Guiyuan Yang & Yanqi Zeng & Xiaofeng Xu & Xiaodong Liu & Haowen Chen & Dong Dai & Gang Liu, 2025. "Research on Alternating Current Resistance of High-Voltage Cable Conductors: Optimization of Test Method and Discussion of Test Results," Energies, MDPI, vol. 18(6), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:6:p:1417-:d:1611237
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    References listed on IDEAS

    as
    1. Paweł Jabłoński & Dariusz Kusiak & Tomasz Szczegielniak & Zygmunt Piątek, 2020. "The Proximity Effect in Twin Line with Round Conductors Placed in Conductive Medium," Energies, MDPI, vol. 13(22), pages 1-23, November.
    2. Dexin Xie & Zhen Qin & Shian Xie & Jian Jiang & Feng Bai & Jiaqi Li & Gaohui He, 2024. "Research on the Measurement of AC Resistance of Overhead Transmission Lines Considering Actual Operating Conditions," Energies, MDPI, vol. 17(24), pages 1-19, December.
    3. Paweł Jabłoński & Tomasz Szczegielniak & Dariusz Kusiak & Zygmunt Piątek, 2019. "Analytical–Numerical Solution for the Skin and Proximity Effects in Two Parallel Round Conductors," Energies, MDPI, vol. 12(18), pages 1-19, September.
    Full references (including those not matched with items on IDEAS)

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