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Thermal Effect of Different Laying Modes on Cross-Linked Polyethylene (XLPE) Insulation and a New Estimation on Cable Ampacity

Author

Listed:
  • WenWei Zhu

    (School of Electric Power, South China University of Technology, Guangzhou 510640, China
    Grid Planning Research Center, Guangdong Power Grid Co., Ltd., Guangzhou 510000, China
    These authors contributed equally to this work.)

  • YiFeng Zhao

    (School of Electric Power, South China University of Technology, Guangzhou 510640, China
    These authors contributed equally to this work.)

  • ZhuoZhan Han

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

  • XiangBing Wang

    (Grid Planning Research Center, Guangdong Power Grid Co., Ltd., Guangzhou 510000, China)

  • YanFeng Wang

    (Grid Planning Research Center, Guangdong Power Grid Co., Ltd., Guangzhou 510000, China)

  • Gang Liu

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

  • Yue Xie

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

  • NingXi Zhu

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

Abstract

This paper verifies the fluctuation on thermal parameters and ampacity of the high-voltage cross-linked polyethylene (XLPE) cables with different insulation conditions and describes the results of a thermal aging experiment on the XLPE insulation with different operating years in different laying modes guided by Comsol Multiphysics modeling software. The thermal parameters of the cables applied on the models are detected by thermal parameter detection control platform and differential scanning calorimetry (DSC) measurement to assure the effectivity of the simulation. Several diagnostic measurements including Fourier infrared spectroscopy (FTIR), DSC, X-ray diffraction (XRD), and breakdown field strength were conducted on the treated and untreated specimens in order to reveal the changes of properties and the relationship between the thermal effect and the cable ampacity. Moreover, a new estimation on cable ampacity from the perspective on XLPE insulation itself has been proposed in this paper, which is also a possible way to judge the insulation condition of the cable with specific aging degree in specific laying mode for a period of time.

Suggested Citation

  • 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.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:15:p:2994-:d:254461
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    References listed on IDEAS

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    1. 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.
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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. Min Ho Kim & Hyun Jeong Seo & Sang Kyu Lee & Min Chul Lee, 2021. "Influence of Thermal Aging on the Combustion Characteristics of Cables in Nuclear Power Plants," Energies, MDPI, vol. 14(7), pages 1-17, April.
    3. Artur Cywiński & Krzysztof Chwastek & Dariusz Kusiak & Paweł Jabłoński, 2020. "Optimization of Spatial Configuration of Multistrand Cable Lines," Energies, MDPI, vol. 13(22), pages 1-22, November.
    4. Jiahong He & Kang He & Longfei Cui, 2019. "Charge-Simulation-Based Electric Field Analysis and Electrical Tree Propagation Model with Defects in 10 kV XLPE Cable Joint," Energies, MDPI, vol. 12(23), pages 1-22, November.
    5. Zhihui Xu & Ming Yang & Huaqing Peng & Yifeng Zhao & Gang Liu, 2023. "Influence of Combined Electrothermal Aging on Dielectric and Thermal Properties of HVAC XLPE Cable," Energies, MDPI, vol. 16(8), pages 1-17, April.

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