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Influence of lamination thickness on harmonic losses in 2-pole slotless permanent-magnet motors
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.ORCID iD: 0000-0002-6283-7661
2017 (English)In: 2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017, Institute of Electrical and Electronics Engineers (IEEE), 2017, article id 8002064Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents an original theoretical and experimental investigation of the iron losses for three different commercially available non-oriented silicon-iron (SiFe) steel grades (with lamination thicknesses 0.1, 0.2 and 0.3 mm) in a 2-pole slotless permanent magnet motor. The study is conducted over a wide frequency range (10-100 kHz), which is a novelty. The corresponding winding losses are succesfully identified for this purpose. The impact of temperature is also studied. The results show that that iron losses compose a significant share of the total losses beyond 50 kHz. Stator harmonic iron losses at 100 kHz can be decreased with 30% by using NO10 instead of NO30.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. article id 8002064
Keywords [en]
harmonic analysis, magnetic losses, permanent magnet machines, wide band gap semiconductors
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-218553DOI: 10.1109/IEMDC.2017.8002064ISI: 000426933000085Scopus ID: 2-s2.0-85030313735ISBN: 9781509042814 OAI: oai:DiVA.org:kth-218553DiVA, id: diva2:1161172
Conference
2017 IEEE International Electric Machines and Drives Conference, IEMDC 2017, Miami, United States, 21 May 2017 through 24 May 2017
Note

QC 20171129

Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2018-04-03Bibliographically approved

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Millinger, JonasWallmark, Oskar

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