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Computation of Electric and Magnetic Fields Generated by Cloud-to-Cloud Lightning Channels

Author

Listed:
  • Carlo Petrarca

    (Department of Electrical and Information Technologies, University of Naples “Federico II”, 80125 Napoli, Italy)

  • Marco Balato

    (Department of Electrical and Information Technologies, University of Naples “Federico II”, 80125 Napoli, Italy)

  • Luigi Verolino

    (Department of Electrical and Information Technologies, University of Naples “Federico II”, 80125 Napoli, Italy)

  • Amedeo Andreotti

    (Department of Electrical and Information Technologies, University of Naples “Federico II”, 80125 Napoli, Italy)

  • Dario Assante

    (Faculty of Engineering, International Telematic University Uninettuno, 00186 Rome, Italy)

Abstract

The paper presents analytical formulas for computation in the time domain of electromagnetic (EM) fields generated by tortuous cloud-to-cloud ( CC ) lightning channels over a perfectly conducting ground. For the first time, the study was not limited to a horizontal lightning path but was extended to take into account the natural, tortuous geometry of the lightning channel. After the calculation of the step response, a convolution integration was applied for the computation of the fields generated by an arbitrary current source. The produced electric and magnetic fields were then compared with the fields generated by a horizontal channel. The method can be of primary importance to evaluating the hazards for electric and electronic systems of flying aircraft, estimating the voltages induced on overhead transmission lines by CC lightning, and, in general, evaluating the induced effects on sensitive electric and electronic components. Moreover, it may represent a simple, robust, and time-saving tool for estimating important physical parameters that characterize lightning phenomena.

Suggested Citation

  • Carlo Petrarca & Marco Balato & Luigi Verolino & Amedeo Andreotti & Dario Assante, 2023. "Computation of Electric and Magnetic Fields Generated by Cloud-to-Cloud Lightning Channels," Energies, MDPI, vol. 16(11), pages 1-16, June.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:11:p:4524-:d:1164088
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