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Lightning Electromagnetic Fields Computation: A Review of the Available Approaches

Author

Listed:
  • Alice La Fata

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Martino Nicora

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Daniele Mestriner

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Riccardo Aramini

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Renato Procopio

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Massimo Brignone

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

  • Federico Delfino

    (Electrical, Electronics and Telecommunication Engineering and Naval Architecture Department (DITEN), University of Genoa, 16145 Genoa, Italy)

Abstract

Lightning represents one of the most critical issues for electrical infrastructure. In dealing with overhead distribution line systems, indirect lightning strikes can lead to induced voltages overcoming the critical flashover value of the line, thus damaging the insulators. The computation of lightning-induced voltages requires the modeling of the lightning current, the evaluation of the lightning electromagnetic fields and the solution of the field-to-line coupling equations. The numerical calculation of the lightning electromagnetic fields is time-consuming and is strongly dependent on the lightning channel modeling and soil properties. This article presents a review of the most widely adopted methods to calculate the lightning electromagnetic fields, starting from the classical formulation, which requires numerical integration, and highlighting the most effective approaches that have been developed to reduce computational effort. This is done first for the case of a perfectly conducting ground, then the available formulations to account for the ground finite conductivity are presented together with their possible implementations in both the frequency and time domains.

Suggested Citation

  • Alice La Fata & Martino Nicora & Daniele Mestriner & Riccardo Aramini & Renato Procopio & Massimo Brignone & Federico Delfino, 2023. "Lightning Electromagnetic Fields Computation: A Review of the Available Approaches," Energies, MDPI, vol. 16(5), pages 1-21, March.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:5:p:2436-:d:1087184
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    References listed on IDEAS

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    1. Petar Sarajcev & Dino Lovric & Tonko Garma, 2022. "Statistical Safety Factor in Lightning Performance Analysis of Overhead Distribution Lines," Energies, MDPI, vol. 15(21), pages 1-19, November.
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