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On the effect of the finite ground conductivity on electromagnetic field radiated by lightning to tall towers
Division for Electricity, Uppsala University.
ALDIS, Austria.
University of Bologna, Bologna,Italy.
Swiss Federal Institute of Technology, EPFL, EMC Group, Lausanne, Switzerland.
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2006 (English)In: International Conference on Lightning Protection ICLP, 2006, p. 267-272Conference paper, Published paper (Refereed)
Abstract [en]

In this paper it is shown how the finitelyconducting ground modifies the signature of the radiationfield of return strokes striking tall towers. Results arepresented for different tower heights and for differentground conductivities varying the current risetime in thereturn stroke model. The results show that the attenuationof the initial peak of the radiation field resulting from thepropagation over finitely conducting ground dependsstrongly on the current risetime, the tower height and theground conductivity. In general, the attenuation of theradiation field of lightning flashes striking tall towers islarger than that striking flat ground. In the case where theground conductivity is extremely poor, namely 0.0001 S/m,the attenuation of the peak radiation field may reach asmuch as 70% in the case of lightning flashes striking a 300-m tall tower.

Place, publisher, year, edition, pages
2006. p. 267-272
Series
International Conference on Lightning Protection ; 28
Keywords [en]
Electromagnetic fields, lightning to tall towers, numerical modeling
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-74338ISBN: 4-9902110-2-2 (print)OAI: oai:DiVA.org:kth-74338DiVA, id: diva2:489417
Conference
28th International Conference on Lightning Protection, ICLP 2006. Kanazawa, Japan. 18-22 September 2006
Note
QC 20120530Available from: 2012-02-02 Created: 2012-02-02 Last updated: 2012-05-30Bibliographically approved

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Becerra, Marley

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
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