Loss Analysis of Permanent-Magnet Synchronous Machines Considering In-Plane Eddy Current in Electrical Steel Sheets Using 3D Finite Element Method

Hideki Ohguchi
Rotating Machine Development Department, Power Electronics Components Development Center, Development Division, Power Electronics Systems Business Group, Fuji Electric Co.,Ltd.


We investigate the losses caused by the in-plane eddy current in the stator cores of permanent-magnet synchronous machines by using a three-dimensional finite element method. The validity of the analysis is verified by a comparison with experimental results.

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