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A Thermal Model for Three-Core Armored Submarine Cables Based on Distributed Temperature Sensing

Author

Listed:
  • Miguel Ángel González-Cagigal

    (Department of Electrical Engineering, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, Spain)

  • Juan Carlos del-Pino-López

    (Department of Electrical Engineering, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, Spain)

  • Alfonso Bachiller-Soler

    (Department of Electrical Engineering, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, Spain)

  • Pedro Cruz-Romero

    (Department of Electrical Engineering, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, Spain)

  • José Antonio Rosendo-Macías

    (Department of Electrical Engineering, Universidad de Sevilla, Camino de los Descubrimientos s/n, 41092 Sevilla, Spain)

Abstract

This paper presents a procedure for the derivation of an equivalent thermal network-based model applied to three-core armored submarine cables. The heat losses of the different metallic cable parts are represented as a function of the corresponding temperatures and the conductor current, using a curve-fitting technique. The model was applied to two cables with different filler designs, supposed to be equipped with distributed temperature sensing (DTS) and the optical fiber location in the equivalent circuit was adjusted so that the conductor temperature could be accurately estimated using the sensor measurements. The accuracy of the proposed model was tested for both stationary and dynamic loading conditions, with the corresponding simulations carried out using a hybrid 2D-thermal/3D-electromagnetic model and the finite element method for the numerical resolution. Mean relative errors between 1 and 3% were obtained using an actual current profile. The presented procedure can be used by cable manufacturers or by utilities to properly evaluate the cable thermal situation.

Suggested Citation

  • Miguel Ángel González-Cagigal & Juan Carlos del-Pino-López & Alfonso Bachiller-Soler & Pedro Cruz-Romero & José Antonio Rosendo-Macías, 2021. "A Thermal Model for Three-Core Armored Submarine Cables Based on Distributed Temperature Sensing," Energies, MDPI, vol. 14(13), pages 1-19, June.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:13:p:3897-:d:584303
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    References listed on IDEAS

    as
    1. Juan Carlos Del-Pino-López & Marius Hatlo & Pedro Cruz-Romero, 2018. "On Simplified 3D Finite Element Simulations of Three-Core Armored Power Cables," Energies, MDPI, vol. 11(11), pages 1-14, November.
    2. Juan Carlos del-Pino-López & Pedro Cruz-Romero, 2021. "Use of 3D-FEM Tools to Improve Loss Allocation in Three-Core Armored Cables," Energies, MDPI, vol. 14(9), pages 1-23, April.
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    Cited by:

    1. Lorenzo Carbone & Simone Cosso & Krishneel Kumar & Mario Marchesoni & Massimiliano Passalacqua & Luis Vaccaro, 2022. "Induction Motor Field-Oriented Sensorless Control with Filter and Long Cable," Energies, MDPI, vol. 15(4), pages 1-20, February.

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