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Two-Dimensional and Three-Dimensional Core and Magnet Loss Modeling in a Radial Flux and a Transverse Flux PM Traction Motor

Sonja Tidblad Lundmark (Institutionen för energi och miljö, Elteknik) ; Poopak Roshanfekr Fard (Institutionen för energi och miljö, Elteknik)
Ieee Transactions on Industry Applications (0093-9994). Vol. 53 (2017), 3, p. 2028-2039.
[Artikel, refereegranskad vetenskaplig]

Analytical estimations and verified simulation models both in two dimension (2-D) and three dimension (3-D) are used to compare loss calculations of a radial flux machine (RFM) and a transverse flux machine (TFM) for a traction application. The analysis highlights the importance of a dense mesh and a high number of time steps when calculating core and magnet loss with an finite element method (FEM) program. It also shows the practical handling of loss modeling in 2-D and 3-D, including a stacking factor for the core lamination and magnet segmentation, and it is recommended that one is careful when comparing losses from 2-D and 3-D models. The TFM is shown to have much higher magnet loss compared with the RFM, although the TFM magnet design (with ring magnets) makes segmentation very effective.

Nyckelord: Magnetic cores; magnetic losses; permanent magnet motors; traction motors



Denna post skapades 2017-07-14.
CPL Pubid: 250716

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik (2005-2017)

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur