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A pocket discharge model for narrow bipolar events and possible applications
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2010 (English)In: 2010 Asia-Pacific Symposium on Electromagnetic Compatibility, APEMC 2010, 2010, 1558-1561 p.Conference paper, Published paper (Refereed)
Abstract [en]

Narrow bipolar events refer to a distinct type of in-cloud lightning discharge which produces electric field of bipolar and impulse in nature. In this presentation narrow bipolar events were considered as the discharge of the pocket charge to the charge layer inside thundercloud, and the current wave-shape possibly responsible for the narrow bipolar electromagnetic field was featured by two channel-conducting-state depended parameters (α,β). The parameter β inversely reflects the time for the current front to propagate along the channel and can be achieved by the perfect fit of the measured field waveform to the model field waveform with the channel length and current propagation speed bound by the parameter β. The present model was applied to the narrow bipolar fields of two narrow bipolar events to reach a parameter β of 0.333μs-1 and 0.353μs-1 respectively, indicating a channel length less than 1km.

Place, publisher, year, edition, pages
2010. 1558-1561 p.
Keyword [en]
Channel length, Charge layer, Current propagation, Current waves, Discharge models, Lightning discharge, Measured field, Narrow bipolar events, Two channel, Wave forms, Electric fields, Electromagnetic compatibility, Electromagnetic fields, Magnetic materials, Electric discharges
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-149618DOI: 10.1109/APEMC.2010.5475661Scopus ID: 2-s2.0-77955009872ISBN: 978-142445621-5 (print)OAI: oai:DiVA.org:kth-149618DiVA: diva2:740825
Conference
2010 Asia-Pacific Symposium on Electromagnetic Compatibility, APEMC 2010, 12 April 2010 through 16 April 2010, Beijing, China
Note

QC 20140826

Available from: 2014-08-26 Created: 2014-08-25 Last updated: 2014-08-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
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  • de-DE
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  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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