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Improvement of Heat Dissipation Characteristics of Cu Bus-Bar in the Switchboards through Shape Modification and Surface Treatment

Author

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  • Min-Jun Kim

    (Advanced Materials & Processing Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

  • Sang-Hwan Bak

    (Advanced Materials & Processing Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

  • Woo-Chul Jung

    (Advanced Materials & Processing Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

  • Deog-Jae Hur

    (Research & Business Cooperation Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

  • Dong-Shin Ko

    (Research & Business Cooperation Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

  • Man-Sik Kong

    (Advanced Materials & Processing Center, Institute for Advanced Engineering (IAE), Yongin 175-28, Korea)

Abstract

In order to improve energy efficiency by increasing heat dissipation performance of bus-bar which distributes the current in high-power switchboard, the heat dissipation effects of the shape modification and surface treatment of Cu bus-bar were studied. The surface temperatures of the conventional plate-type bus-bar, and the improved tunnel-type bus-bar were compared by using electromagnetic and thermal analyses. The optimum thickness of tunnel-type bus-bar and the spacing and array among three bus-bars were calculated; and the surface temperature of tunnel-type bus-bar showed 7.9 °C lower than that of plate-type bus-bar in a 3-phase array condition. In addition, the surface and internal temperatures of the uncoated, CNT (Carbon nanotube)-coated, and BN (Boron nitride)-coated Cu bus-bars were measured with thermal imaging camera and the experiment using a hot plate. It was confirmed that the difference in the internal temperature between uncoated and BN-coated Cu was 19.4 °C. The application of the bus-bar improved from this study might contribute to the increase in power energy efficiency.

Suggested Citation

  • Min-Jun Kim & Sang-Hwan Bak & Woo-Chul Jung & Deog-Jae Hur & Dong-Shin Ko & Man-Sik Kong, 2019. "Improvement of Heat Dissipation Characteristics of Cu Bus-Bar in the Switchboards through Shape Modification and Surface Treatment," Energies, MDPI, vol. 12(1), pages 1-11, January.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:1:p:146-:d:194421
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    References listed on IDEAS

    as
    1. Chengfei Geng & Fengyou He & Jingwei Zhang & Hongsheng Hu, 2017. "Partial Stray Inductance Modeling and Measuring of Asymmetrical Parallel Branches on the Bus-Bar of Electric Vehicles," Energies, MDPI, vol. 10(10), pages 1-16, October.
    2. Milton Fonseca Junior & Ubiratan Holanda Bezerra & Jandecy Cabral Leite & Jorge Laureano Moya Rodríguez, 2017. "Maintenance Tools applied to Electric Generators to Improve Energy Efficiency and Power Quality of Thermoelectric Power Plants," Energies, MDPI, vol. 10(8), pages 1-21, July.
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    Cited by:

    1. Michał Szulborski & Sebastian Łapczyński & Łukasz Kolimas, 2021. "Thermal Analysis of Heat Distribution in Busbars during Rated Current Flow in Low-Voltage Industrial Switchgear," Energies, MDPI, vol. 14(9), pages 1-23, April.

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