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Investigation of the Ampacity of a Prefabricated Straight-Through Joint of High Voltage Cable

Author

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  • Pengyu Wang

    (School of Electric Power, South China University of Technology, Guangzhou 510640, China)

  • Gang Liu

    (School of Electric Power, South China University of Technology, Guangzhou 510640, China)

  • Hui Ma

    (School of Information Technology and Electrical Engineering, The University of Queensland, Brisbane 4109, Australia)

  • Yigang Liu

    (Cable Specialty Committee, Guangdong Society for Electrical Engineering, Guangzhou 510080, China)

  • Tao Xu

    (Transmission Management, Guangzhou Power Supply Co. Ltd., Guangzhou 510310, China)

Abstract

This paper presents a theoretical and experimental study on the ampacity of the prefabricated straight-through joint of a 110 kV high voltage cable. Thermal modelling revealed that the critical spot limiting the ampacity of this type of cable joint is located on its crosslinked polyethylene (XLPE) insulation section. The axial distribution of the thermal field in this type of cable joint was also determined. An algorithm for assessing ampacity in this type of cable joint was developed. Experiments were conducted on a real cable system with a prefabricated straight-through joint under different loading conditions. The experiments show a good agreement with the thermal modelling results.

Suggested Citation

  • Pengyu Wang & Gang Liu & Hui Ma & Yigang Liu & Tao Xu, 2017. "Investigation of the Ampacity of a Prefabricated Straight-Through Joint of High Voltage Cable," Energies, MDPI, vol. 10(12), pages 1-17, December.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:12:p:2050-:d:121494
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    References listed on IDEAS

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    1. Fan Yang & Kai Liu & Peng Cheng & Shaohua Wang & Xiaoyu Wang & Bing Gao & Yalin Fang & Rong Xia & Irfan Ullah, 2016. "The Coupling Fields Characteristics of Cable Joints and Application in the Evaluation of Crimping Process Defects," Energies, MDPI, vol. 9(11), pages 1-19, November.
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    Cited by:

    1. Tomasz Szczegielniak & Dariusz Kusiak & Paweł Jabłoński, 2021. "Thermal Analysis of the Medium Voltage Cable," Energies, MDPI, vol. 14(14), pages 1-17, July.
    2. WenWei Zhu & YiFeng Zhao & ZhuoZhan Han & XiangBing Wang & YanFeng Wang & Gang Liu & Yue Xie & NingXi Zhu, 2019. "Thermal Effect of Different Laying Modes on Cross-Linked Polyethylene (XLPE) Insulation and a New Estimation on Cable Ampacity," Energies, MDPI, vol. 12(15), pages 1-22, August.
    3. Lei You & Jian Wang & Gang Liu & Hui Ma & Ming Zheng, 2018. "Thermal Rating of Offshore Wind Farm Cables Installed in Ventilated J-Tubes," Energies, MDPI, vol. 11(3), pages 1-14, March.
    4. Xiao-Kai Meng & Yan-Bing Jia & Zhi-Heng Liu & Zhi-Qiang Yu & Pei-Jie Han & Zhu-Mao Lu & Tao Jin, 2022. "High-Voltage Cable Condition Assessment Method Based on Multi-Source Data Analysis," Energies, MDPI, vol. 15(4), pages 1-16, February.
    5. Gang Liu & Deming Guo & Pengyu Wang & Honglei Deng & Xiaobin Hong & Wenhu Tang, 2018. "Calculation of Equivalent Resistance for Ground Wires Twined with Armor Rods in Contact Terminals," Energies, MDPI, vol. 11(4), pages 1-24, March.
    6. Fan Yang & Ningxi Zhu & Gang Liu & Hui Ma & Xiaoyu Wei & Chuanliang Hu & Zhenhua Wang & Jiasheng Huang, 2018. "A New Method for Determining the Connection Resistance of the Compression Connector in Cable Joint," Energies, MDPI, vol. 11(7), pages 1-19, June.
    7. Fawu He & Yue Xie & Pengyu Wang & Zhiheng Wu & Shuzhen Bao & Wei Wang & Xiaofeng Xu & Xiaokai Meng & Gang Liu, 2024. "An Improved Analytical Thermal Rating Method for Cable Joints," Energies, MDPI, vol. 17(9), pages 1-15, April.
    8. Gang Liu & Yaxun Guo & Yanli Xin & Lei You & Xiaofeng Jiang & Ming Zheng & Wenhu Tang, 2018. "Analysis of Switching Transients during Energization in Large Offshore Wind Farms," Energies, MDPI, vol. 11(2), pages 1-13, February.
    9. Heiner Brakelmann & George J. Anders, 2024. "Thermal Analysis of Cable Routes with Joints or Other Discontinuities," Energies, MDPI, vol. 17(16), pages 1-15, August.
    10. Tommaso Bragatto & Alberto Cerretti & Luigi D’Orazio & Fabio Massimo Gatta & Alberto Geri & Marco Maccioni, 2019. "Thermal Effects of Ground Faults on MV Joints and Cables," Energies, MDPI, vol. 12(18), pages 1-15, September.
    11. Jiangjun Ruan & Qinghua Zhan & Liezheng Tang & Ke Tang, 2018. "Real-Time Temperature Estimation of Three-Core Medium-Voltage Cable Joint Based on Support Vector Regression," Energies, MDPI, vol. 11(6), pages 1-18, May.

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