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Calculation Method of Allowable Continuous Current for Direct Burial Laying HVDC Underground Cable

Author

Listed:
  • Kyu-hoon Park

    (HVDC Electric Power Laboratory, Department of Electronic Engineering, Hanyang University, Ansan 15588, Korea)

  • Il Kwon

    (HVDC Electric Power Laboratory, Department of Electronic Engineering, Hanyang University, Ansan 15588, Korea)

  • Bang-wook Lee

    (HVDC Electric Power Laboratory, Department of Electronic Engineering, Hanyang University, Ansan 15588, Korea)

Abstract

The calculation of the continuous allowable current of an underground cable is determined by various characteristics. To calculate the allowable current in cables with alternating magnetic fields such as AC, special phenomena such as the proximity effect and skin effect must be applied. However, there are no standards or research related to the calculation of the continuous allowable current of a DC power cable that does not have an alternating magnetic field. In this paper, a quantitative DC cable continuous allowable current calculation formula of direct burial laying was derived by applying the existing AC cable continuous allowable current calculation method to the DC system. We developed a calculation tool that can calculate the continuous allowable current of DC cables using the derived formula. Assuming the cable conditions (cable specification, laying conditions, soil characteristics, arrangement, and number of strands, etc.), a continuous allowable current simulation of DC cables was performed. In addition, the level of contribution to the continuous allowable current value was analyzed by classifying the parameter categories into major and minor factors in the order of influence on the allowable current among the determined calculated parameters. As a result, the effectiveness of the DC cable continuous allowable current calculation tool derived by performing the allowable current calculation simulation was evaluated, and the allowable current calculation method of the HVDC cable was established.

Suggested Citation

  • Kyu-hoon Park & Il Kwon & Bang-wook Lee, 2021. "Calculation Method of Allowable Continuous Current for Direct Burial Laying HVDC Underground Cable," Energies, MDPI, vol. 14(19), pages 1-16, October.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:19:p:6431-:d:651794
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    References listed on IDEAS

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    1. Lin Yang & Weihao Qiu & Jichao Huang & Yanpeng Hao & Mingli Fu & Shuai Hou & Licheng Li, 2018. "Comparison of Conductor-Temperature Calculations Based on Different Radial-Position-Temperature Detections for High-Voltage Power Cable," Energies, MDPI, vol. 11(1), pages 1-17, January.
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    Cited by:

    1. Tomasz Szczegielniak & Paweł Jabłoński & Dariusz Kusiak, 2023. "Analytical Approach to Current Rating of Three-Phase Power Cable with Round Conductors," Energies, MDPI, vol. 16(4), pages 1-18, February.
    2. Dmitry Arsenyev & Simon Dubitsky & Dmitry Kiesewetter & Victor Malyuin, 2022. "Numerical Simulation and Calculation of Resistance of Laminated Paper-Impregnated Insulation of Power Cables," Energies, MDPI, vol. 15(19), pages 1-13, October.
    3. Rodolfo Araneo & Salvatore Celozzi & Stefano Lauria & Erika Stracqualursi & Gianfranco Di Lorenzo & Marco Graziani, 2022. "Recent Trends in Power Systems Modeling and Analysis," Energies, MDPI, vol. 15(23), pages 1-7, December.

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