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The Role of the Parasitic Capacitance of the Inductorin Boost Converters with Normally-On SiC JFETs
Warsaw University of Technlogy.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.
KTH, School of Electrical Engineering (EES), Electrical Energy Conversion.ORCID iD: 0000-0002-1755-1365
2012 (English)In: 2012 7th International Power Electronics and Motion Control Conference (IPEMC), IEEE conference proceedings, 2012, 1842-1847 p.Conference paper, Poster (with or without abstract) (Refereed)
Abstract [en]

In this paper the impact of the parasitic capacitance ofthe inductor on the performance of a fast-switching boostconverters with SiC JFETs is discussed. Two inductor designs,one conventional and another with a space between the windinglayers, are investigated and their parasitic capacitances aremeasured by different methods. The air-gap between the windinglayers reduced the inductor self-capacitance more than 8 times.The two inductors were used in a 2 kW, 100 kHz boost converterwith a normally-on SiC JFET and their performance wascompared. When the inductor with a low self-capacitance wasused, there were fewer oscillations during the switchingtransients and the losses were reduced about 16 %.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2012. 1842-1847 p.
Keyword [en]
Silicon carbide, parasictic capacitanse, inductor design, DC-DC converter, Silicon Carbide, JFET
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-103053DOI: 10.1109/IPEMC.2012.6259118Scopus ID: 2-s2.0-84866778214ISBN: 978-1-4577-2085-7 (print)OAI: oai:DiVA.org:kth-103053DiVA: diva2:558144
Conference
2012 IEEE 7th International Power Electronics and Motion Control Conference - ECCE Asia June 2-5, 2012, Harbin, China
Note

QC 20121005

Available from: 2012-10-05 Created: 2012-10-02 Last updated: 2012-10-05Bibliographically approved

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Nee, Hans-Peter

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