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On the Estimation of the Charge of Positive Streamers Propagating in Air
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.ORCID iD: 0000-0002-6375-6142
2014 (English)In: IEEE transactions on dielectrics and electrical insulation, ISSN 1070-9878, E-ISSN 1558-4135, Vol. 21, no 2, 627-634 p.Article in journal (Refereed) Published
Abstract [en]

Streamer discharges are an important breakdown mechanism in air-based electrical insulation systems. This paper introduces a method to estimate the spatial distribution of the charge density of positive streamers in air, based on the solution of a Poisson inverse problem by optimization. In contrast to other methods, it does not require tuning parameters and can also be used in configurations including dielectric interfaces or preexisting space charge. Three different experimental datasets reported in the literature are used to validate the method. Good agreement between the measurements and the predictions of the method is found.

Place, publisher, year, edition, pages
2014. Vol. 21, no 2, 627-634 p.
Keyword [en]
Corona, Gas discharges, Gas insulation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-145597DOI: 10.1109/TDEI.2013.004272ISI: 000334678900026Scopus ID: 2-s2.0-84898678143OAI: oai:DiVA.org:kth-145597DiVA: diva2:723595
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StandUp
Note

QC 20150618

Available from: 2014-06-11 Created: 2014-05-23 Last updated: 2017-12-05Bibliographically approved

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Becerra, Marley

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