NDLI: Development of analytical equations to calculate the cogging torque in transverse flux machines

Content Provider	IEEE Xplore Digital Library
Author	Ferreira da Luz, M.V. Dular, P. Sadowski, N. Carlson, R. Bastos, J.P.A.
Copyright Year	2009
Description	Author affiliation: Dept. of Electrical Engineering and Computer Science, F.N.R.S., ULG, Belgium (Dular, P.) \|\| GRUCAD, Dept. of Electrical Engineering, Federal University of Santa Catarina, Brazil (Ferreira da Luz, M.V.; Sadowski, N.; Carlson, R.; Bastos, J.P.A.)
Abstract	Cogging torque is produced in a permanent magnet machine by magnetic attraction between the rotor permanent magnets and the stator teeth. It is an undesirable effect that contributes to torque ripple, vibration and noise of the machine. In this paper, the resultant cogging torque values are computed using a three-dimensional (3D) finite element analysis. For this, the rotor movement is modeled by means of the moving band technique in which a dynamic allocation of periodic or anti-periodic boundary conditions is performed. The 3D finite element method is the most accurate tool to carry out cogging torque. However, it does not easily allow a parametric study. For this reason, an analytical model was developed in order to predict the cogging torque. The tools are intended to be used for the study of transverse flux machines.
Starting Page	1612
Ending Page	1616
File Size	645604
Page Count	5
File Format	PDF
ISBN	9781424442515
DOI	10.1109/IEMDC.2009.5075419
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-05-03
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Equations Forging Torque Magnetic analysis Finite element methods Permanent magnet machines Magnetic flux Permanent magnets Stators Teeth
Content Type	Text
Resource Type	Article

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