NDLI: Approach for analytical modelling of axial-flux PM machines

Content Provider	IET Digital Library
Author	Boroujeni, Samad Taghipour Mohammadi, Abdolmajid Abedini Oraee, Ashknaz Oraee, Hashem
Abstract	In the presented paper, an analytical model is developed for calculation of the air gap magnetic flux density in the axial-flux surface-mounted PM machines. The slotting effect is taken into account in the air gap magnetic flux distribution, accurately. The main novelty of this study is replacing the stator teeth by some surface currents at the border of the removed stator teeth. The uniqueness theorem is applied to find the surface currents. The two-dimensional (2D) field solution in the slotless machine is solved easily by separation of variables method. The multi-slice quasi-3D method is applied for taking 3D nature of field distribution into account. In addition, the back-EMF, armature inductances and electromagnetic and cogging torque are computed based on the predicted air gap flux density. Moreover, for the first time, the Lorentz equation besides Maxwell’ stress tensor is applied for computation of the cogging torque. The validity of the proposed procedure and the obtained results are verified by 3D finite element analysis.
Starting Page	441
Ending Page	450
Page Count	10
ISSN	17518660
Volume Number	10
e-ISSN	17518679
Issue Number	Issue 6, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/10/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2015.0645
Journal	IET Electric Power Applications
Publisher Date	2016-07-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	2D Field Solution 3D Finite Element Analysis A.C. Machine Air Gap Air Gap Magnetic Flux Density Calculation Air Gap Magnetic Flux Distribution Analytical Modelling Armature Inductances Axial-flux Surface-mounted Permanent Magnet Machines Axial-flux Surface-mounted PM Machines Back-EMF Cogging Torque D.C. Machines Electric Potential Electromagnetic Torque Electromagnetic Wave Propagation Electrostatics Finite Element Analysis Linear Algebra Lorentz Equation Magnetic Flux Maxwell Equation Maxwell Stress Tensor Multislice Quasi 3D Method Numerical Analysis Permanent Magnet Machine Protection Apparatus Slotting Effect Tensors Uniqueness Theorem
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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