Comparison of the Test Result and 3D-FEM Analysis at the Knee Point of a 60 kW SRM for a HEV

The maximum torque values in computer analysis and experiment in the switched reluctance motor (SRM), having competitive torque density and efficiency with respect to the rare-earth permanent magnet motor employed in the 2009 Toyota Prius, have been compared. The SRM is highly saturated to provide t...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2013-05, Vol.49 (5), p.2291-2294
Main Authors: Kiyota, Kyohei, Kakishima, Takeo, Sugimoto, Hiroya, Chiba, Akira
Format: Article
Language:English
Subjects:
3D-FEM
Automotive components
Calculation error
Cross-disciplinary physics: materials science
rheology
Density
Design engineering
Error analysis
Exact sciences and technology
Finite element analysis
Finite element method
hybrid electric vehicle
Hybrid electric vehicles
Iron
Magnetism
Materials science
Mathematical models
maximum torque
Motors
Other topics in materials science
Physics
Rare earth metals
switched reluctance motor
Switched reluctance motors
Torque
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Summary:The maximum torque values in computer analysis and experiment in the switched reluctance motor (SRM), having competitive torque density and efficiency with respect to the rare-earth permanent magnet motor employed in the 2009 Toyota Prius, have been compared. The SRM is highly saturated to provide the maximum torque for a short time; thus, the torque value tends to have considerable error of 15% even in the 3D FEM analysis with respect to experimental result because of the incomplete material setting. A comparison of the flux-linkage and current is also provided for consideration. The results of the 2D-FEM and 3D-FEM analysis as well as a test machine are presented. The maximum torque in the 3D-FEM analysis is shown to be within errors of 5.0% with respect to that in the test machine.
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2013.2242453