The effect of PWM on rotor Eddy-Current losses in high-speed permanent magnet machines

S. Jumayev, M. Merdzan, K.O. Boynov, J.J.H. Paulides, J. Pyrhönen, E.A. Lomonova

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

2 Citations (Scopus)
1 Downloads (Pure)

Abstract

In last decades, interest on high-speed permanent magnet (PM) machines has grown significantly due to their high efficiency, high power factor and high power density. However, a weak point of these machines is a risk of magnet demagnetization since rare-earth permanent magnets are sensitive to temperature [1]. The main reason of temperature increase in the rotor are eddy current losses, which are induced by time harmonics in stator currents and spatial harmonics due to windings distribution. Additionally, rotor eddy current losses can considerably decrease the machine efficiency.
Original languageEnglish
Title of host publicationMagnetics Conference (INTERMAG), 2015 IEEE , 11-15 May 2015, Beijing, China
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pageseg-12-1/2
ISBN (Print)978-1-4799-7321-7
DOIs
Publication statusPublished - 2015
Event2015 IEEE International Magnetics Conference (INTERMAG 2015) - Beijing, China
Duration: 11 May 201515 May 2015

Conference

Conference2015 IEEE International Magnetics Conference (INTERMAG 2015)
Abbreviated titleINTERMAG 2015
CountryChina
CityBeijing
Period11/05/1515/05/15

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