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Thermal Analysis of Dry-Type Air-Core Coils for the Optimization of Passive Filtering Systems

Author

Listed:
  • Josué Rodríguez D.

    (Basque Country Research Centre of Arcelor Mittal, 48910 Sestao, Spain)

  • G. Alonso Orcajo

    (Electrical Engineering Department, University of Oviedo, 33204 Gijón, Spain)

  • José M. Cano

    (Electrical Engineering Department, University of Oviedo, 33204 Gijón, Spain)

  • Joaquín G. Norniella

    (Electrical Engineering Department, University of Oviedo, 33204 Gijón, Spain)

  • Asier Vicente

    (Basque Country Research Centre of Arcelor Mittal, 48910 Sestao, Spain)

Abstract

The analysis of harmonic currents in distribution networks of industrial facilities and the associated filtering stages is essential to optimize the production of these installations. Dry-type air-core reactors are one of the main elements of harmonic filter banks. A thermal analysis of these reactors in conventional steel plants and an evaluation of the criteria used to adjust the corresponding thermal protections are proposed in this paper. Accordingly, harmonic currents through the different filter branches are assessed. The proposed methodology builds a thermal magnetic model using the finite element method (FEM) whereby electromagnetic fields, currents and losses are emulated, to allow for recreating the actual coil temperature. The study aims at increasing the reliability of filtering systems by lowering the number of unscheduled shutdowns due to conservative adjustments of thermal protections.

Suggested Citation

  • Josué Rodríguez D. & G. Alonso Orcajo & José M. Cano & Joaquín G. Norniella & Asier Vicente, 2020. "Thermal Analysis of Dry-Type Air-Core Coils for the Optimization of Passive Filtering Systems," Energies, MDPI, vol. 13(17), pages 1-24, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:17:p:4540-:d:407563
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    References listed on IDEAS

    as
    1. Fating Yuan & Zhao Yuan & Lixue Chen & Yong Wang & Junxiang Liu & Junjia He & Yuan Pan, 2017. "Thermal and Electromagnetic Combined Optimization Design of Dry Type Air Core Reactor," Energies, MDPI, vol. 10(12), pages 1-19, December.
    2. Yu Wang & Xiaoyue Chen & Zhuohong Pan & Hailiang Lu & Xishan Wen & Zhipeng Jiang & Bin Chen & Tuteng Chen, 2017. "Theoretical and Experimental Evaluation of the Temperature Distribution in a Dry Type Air Core Smoothing Reactor of HVDC Station," Energies, MDPI, vol. 10(5), pages 1-12, May.
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