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Active snubber circuit for source commutated converters utilizing the IGBT in the linear region
KTH, School of Electrical Engineering (EES), Electrical Machines and Power Electronics.
KTH, School of Electrical Engineering (EES), Electrical Machines and Power Electronics.ORCID iD: 0000-0002-8565-4753
2007 (English)In: 2007 EUROPEAN CONFERENCE ON POWER ELECTRONICS AND APPLICATIONS, VOLS 1-10, PISCATAWAY: IEEE SERVICE CTR , 2007, 2679-2688 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper describes a gate control method where an IGBT is controlled in its linear region by means of a closed control loop in order to regulate the voltage slope during turn-on and to clamp the voltage of an anti-parallel diode in a source commutated converter. Controlling the voltage slope may be necessary in a high voltage converter to avoid emission of EMI or to avoid triggering oscillations which may cause insulation failure. Controlling the switching trajectory without influence from the device characteristics is important where series-connection is necessary to increase the overall blocking voltage. The control method has been verified by means of a prototype.

Place, publisher, year, edition, pages
PISCATAWAY: IEEE SERVICE CTR , 2007. 2679-2688 p.
Keyword [en]
AC/AC converter, EMC/EMI, high frequency power converter, high voltage power converters, IGBT, soft switching
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-36551DOI: 10.1109/EPE.2007.4417408ISI: 000255993601118Scopus ID: 2-s2.0-51049102955OAI: oai:DiVA.org:kth-36551DiVA: diva2:430939
Conference
2007 European Conference on Power Electronics and Applications Aalborg, DENMARK, SEP 02-05, 2007
Note
QC 20110713Available from: 2011-07-13 Created: 2011-07-13 Last updated: 2011-07-13Bibliographically approved

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Norrga, Staffan

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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
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  • Other locale
More languages
Output format
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  • asciidoc
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