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On the optical radiation of ablation dominated arcs in air
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. ABB Corporate Research, Sweden.ORCID iD: 0000-0002-6375-6142
ABB Low Voltage Products Division, Italy.
ABB Corporate Research,Switzerland.
2011 (English)In: 19th Symposium on Physics of Switching Arc 2011, FSO 2011, Brno University of Technology , 2011, 113-116 p.Conference paper, Published paper (Refereed)
Abstract [en]

The optical emission of high current electric arcs confined between polymeric (PA6 - C6H11ON- and PMMA -C5H8O2-) and ceramic (Al2O 3) walls has been investigated experimentally in air. Arcs standing between copper electrodes with a separation of 8 mm under AC currents with peak values of 2 kA are studied here. The arc optical emission in the range between 250 and 700 nm is measured with a fast spectrometer at the mid-section of the arc column, while the spatial variations of the radiation is recorded with high speed photography. It is found that the ablation of the polymeric walls strongly reduce the intensity of emitted copper peaks as well as the arc column radius. Furthermore, a strong hydrogen Balmer-alpha peak is detected, which indicates the strong injection of hydrogen in the arc atmosphere by the ablation of the polymeric walls.

Place, publisher, year, edition, pages
Brno University of Technology , 2011. 113-116 p.
Series
Symposium on the Physics of the Switching Arc, 19
Keyword [en]
Electric arcs, Polymer ablation, Radiation
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72531Scopus ID: 2-s2.0-84901759724ISBN: 978-163266006-0 (print)OAI: oai:DiVA.org:kth-72531DiVA: diva2:487742
Conference
19th Symposium on Physics of Switching Arc 2011, FSO 2011, Brno, Czech Republic, 5 September 2011 through 9 September 2011
Note

QC 20120410

Available from: 2012-01-31 Created: 2012-01-31 Last updated: 2015-04-22Bibliographically approved

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Becerra, Marley

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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Output format
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