Article

Analysis of Axial Magnetic Force Distribution Due to the Axial Clearance for Electrical Rotating Machine

Dept. of Electr. Eng., Hanyang Univ., Seoul
IEEE Transactions on Magnetics (impact factor: 1.36). 07/2007; DOI:10.1109/TMAG.2007.893303 pp.2546 - 2548
Source: IEEE Xplore

ABSTRACT This paper presents the study on the analysis method of axial force for general rotating machine having radial air-gap flux by axisymmetric 2-D finite element method (FEM). Axial force due to the gap in axial direction between stator and rotor causes damage to bearings, shaft and coupler. In order to use 2-D FEM, we propose some assumptions and a modeling method. The experiment by using measuring instrument on the shaft end is performed for the verification of analysis method. The minimizing axial force is also suggested by adjusting radial duct in the machine

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Keywords

analysis method
 
axial direction
 
axial force
 
axisymmetric 2-D finite element method
 
bearings
 
general rotating machine
 
minimizing axial force
 
modeling method
 
paper presents
 
radial air-gap flux
 
shaft end
 
stator
 

Ki-Chan Kim