NDLI: Simulating the change of magnetic properties of electrical steel sheets due to punching

Content Provider	IEEE Xplore Digital Library
Author	Woehrnschimmel, Reinhard Muetze, Annette Ertl, Simon Kapeller, Hansjoerg Winter, Oliver Horwatitsch, Dieter
Copyright Year	2015
Description	Author affiliation: Electric Drives Technologies - Mobility Department AIT - Austrian Institute of Technology Vienna, Austria (Kapeller, Hansjoerg; Winter, Oliver) \|\| Cor&Fja Vienna, Vienna, Austria (Ertl, Simon) \|\| Electric Drives and Machines Institute, Graz University of Technology, Graz, Austria (Woehrnschimmel, Reinhard; Muetze, Annette) \|\| Light Metal Technologies - Mobility Department, AIT - Austrian Institute of Technology, Vienna, Austria (Horwatitsch, Dieter)
Abstract	Electrical machines are, especially in combination with modern power electronics, the driving horse in industry, traction and automotive applications. So there is a lot of research ongoing in the fields of new or improved topologies, better performance and increased efficiency. Latter one requires a better knowledge of the loss mechanisms in the machine in order to find solutions to reduce them. The iron losses, resulting from a varying magnetization in the ferromagnetic lamination sheets, are the most complex loss component in an electrical machine. One factor influencing the iron losses significantly is the manufacturing process. Among the different production steps, punching of the machines lamination can be considered to have a very high impact on the magnetic properties. If there is knowledge on how these properties depend on the mechanical and the process parameters there is considerable potential to optimize the process or the machine design to increase the machines efficiency. This paper will present simulation models trying to forecast the losses of punched lamination sheets. Therefore, the punching process was simulated with Finite-Element software. The resulting distribution of mechanical stress and plastic strain was incorporated in the Jiles-Atherton model to calculate the magnetic hysteresis of the lamination sheet. A comparison with measurements will show the applicability of the methodology.
Starting Page	1324
Ending Page	1328
File Size	1067294
Page Count	5
File Format	PDF
e-ISBN	9781479979417
DOI	10.1109/IEMDC.2015.7409233
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-05-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decision support systems plastic deformation Electrical machines iron losses punching hysteresis modeling magnetic hysteresis numerical simulation mechanical stress
Content Type	Text
Resource Type	Article

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