Conference Proceeding

Analysis of overhang effect in a novel axial flux PM motor

Korea Electrotechnol. Res. Inst., Changwon
06/2006; DOI:10.1109/SPEEDAM.2006.1649765 pp.170 - 173 In proceeding of: Power Electronics, Electrical Drives, Automation and Motion, 2006. SPEEDAM 2006. International Symposium on
Source: IEEE Xplore

ABSTRACT This paper deals with an overhang effect of permanent magnet (PM) in the new type axial flux permanent magnet (AFPM) motor with a double-sided airgap. 3-D electromagnetic finite element method (FEM) is used to calculate the airgap magnetic flux density, back electromagnetic force (EMF) and the cogging torque according to the variation of the overhang angle. The validity of the analysis results is also clarified by comparison between calculated results and measured ones. From the results, we can confirm the overhang effect quantitatively which improves the performance of the AFPM motor

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Keywords

3-D electromagnetic finite element method
 
AFPM motor
 
airgap magnetic flux density
 
analysis results
 
cogging torque
 
double-sided airgap
 
new type axial flux permanent magnet
 
overhang angle
 
overhang effect
 
overhang effect quantitatively
 
paper deals
 
permanent magnet
 

Dae-Hyun Koo