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Computation of electromagnetic fields from lightning discharge
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-1607-2493
2014 (English)In: The Lightning Flash / [ed] Vernon Cooray, London: Institution of Engineering and Technology, 2014, 2, 351-403 p.Chapter in book (Other academic)
Abstract [en]

Electromagnetic fields from lightning can couple to electrical systems and produce transient overvoltages, which can cause power and telecommunication outages and destruction of electronics. Knowledge of electromagnetic fields at high altitudes produced by return strokes in cloud-to-ground (CG) lightning are required in the study of transient luminous events in the mesosphere. Electric and magnetic field pulses from various electrical breakdown events in the lightning are used in detecting and locating lightning flashes. Therefore, calculation of the electric and magnetic fields from different lightning processes has several practical applications. In this chapter, expressions for electric and magnetic fields are derived for charge and current configurations applicable to lightning. In general lightning currents and charges vary with time. First, simple expressions for non-time varying cases are presented. Then, electric and magnetic field expressions from time-varying lightning sources are presented.

Place, publisher, year, edition, pages
London: Institution of Engineering and Technology, 2014, 2. 351-403 p.
Series
Power and Energy Series, 69
Keyword [en]
Lightning, Electromagnetic theory, Electromagnetic Compatibility
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electrical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-182386ISBN: 978-1-84919-691-8 (print)ISBN: 978-1-84919-692-5 (print)OAI: oai:DiVA.org:kth-182386DiVA: diva2:904315
Note

QC 20160225

Available from: 2016-02-18 Created: 2016-02-18 Last updated: 2016-02-25Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Language
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