ORGANIZATION : ECCE-ICPE
JOURNAL :
YEAR : 2015.06
VOL :
PAGE : -
Motors using rare earth elements have high
efficiency and torque density, but they have the drawback of
a high price. Thus, this paper proposes the use of ferrite
instead of rare earth elements to increase the torque density
and decrease the material cost. This paper discusses models
with structures that increase the flux per pole and saliency
ratio. Using the finite element method, the models are
compared in terms of the no-load back-electromotive force
(EMF) and back-EMF per permanent magnet used. A
comparison is made of the values for the no-load back-EMF
and back-EMF per permanent magnet used in motors with
the proposed structure and a general overhang structure.
Thus, this paper verifies whether a motor using ferrite with
the proposed structure can replace a motor using rare earth
elements.