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Thermal Analysis of the Medium Voltage Cable

Author

Listed:
  • Tomasz Szczegielniak

    (Department of Automation, Electrical Engineering and Optoelectronics, Faculty of Electrical Engineering, Czestochowa University of Technology, Armii Krajowej 17, 42-200 Czestochowa, Poland)

  • Dariusz Kusiak

    (Department of Automation, Electrical Engineering and Optoelectronics, Faculty of Electrical Engineering, Czestochowa University of Technology, Armii Krajowej 17, 42-200 Czestochowa, Poland)

  • Paweł Jabłoński

    (Department of Automation, Electrical Engineering and Optoelectronics, Faculty of Electrical Engineering, Czestochowa University of Technology, Armii Krajowej 17, 42-200 Czestochowa, Poland)

Abstract

The use of high voltage power cables in distribution and transmission networks is still increasing. As a result, the research on the electrical performance of cable lines is still up to date. In the paper, an analytical method of determining the power losses and the temperature distribution in the medium voltage cable was proposed. The main feature of the method is direct including the skin and proximity effects. Then the Joule law is used to express the power losses in the conductor and screen, and the Fourier-Kirchhoff equation is applied to find out the temperature distribution in the cable. The research was focused on a cable with isolated screen and return current in the screen taken into account. The proposed method was tested by using the commercial COMSOL software(5.6/COMSOL AB, Stockholm, Sweden) as well as by carrying out laboratory measurements. Furthermore, the results obtained via the proposed method were compared with those given in literature. The differences between the temperature values calculated by the analytical method, numerical computations and obtained experimentally do not exceed 10%. The proposed analytical method is suitable in prediction the temperature of the power cables with good accuracy.

Suggested Citation

  • Tomasz Szczegielniak & Dariusz Kusiak & Paweł Jabłoński, 2021. "Thermal Analysis of the Medium Voltage Cable," Energies, MDPI, vol. 14(14), pages 1-17, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4164-:d:591794
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    References listed on IDEAS

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    1. Bartosz Rozegnał & Paweł Albrechtowicz & Dominik Mamcarz & Monika Rerak & Maciej Skaza, 2021. "The Power Losses in Cable Lines Supplying Nonlinear Loads," Energies, MDPI, vol. 14(5), pages 1-15, March.
    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. 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. Marek Zaręba & Tomasz Szczegielniak & Paweł Jabłoński, 2023. "Influence of the Skin and Proximity Effects on the Thermal Field in a System of Two Parallel Round Conductors," Energies, MDPI, vol. 16(17), pages 1-20, September.
    2. Bogdan Perka & Karol Piwowarski, 2021. "A Method for Determining the Impact of Ambient Temperature on an Electrical Cable during a Fire," Energies, MDPI, vol. 14(21), pages 1-19, November.

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