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Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
Permanent Magnet Synchronous Motors 6-21
per pole pair (whose ends are uniformly distributed along the rotor circumference) is related to the
n
umber of stator slots Q so that
N
Q
p
rfb
= ±
2
1
(6.24)
A
d
ierent
s
trategy
to
c
ompensate
t
he
to
rque
h
armonics
o
f
a
nisotropic
m
otors
i
s
b
ased
o
n
a
t
wo-step
d
esign procedure [27,28]:
1
.
A s
et
o
f
u
x
b
arrier
g
eometries
i
s
i
dentied
s
o
a
s
t
o
c
ancel
a t
orque
h
armonic
o
f
g
iven
o
rder.
is means that a harmonic of given order is zero according to the geometry of the rotor ux
b
arriers.
2
.
C
ouples
o
f
ux
b
arriers
b
elonging
to
t
his
s
et
a
re
c
ombined
to
gether
s
o
a
s
t
he
r
emaining
to
rque
h
armonics
o
f
o
ne
ux
b
arrier ...
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Publisher Resources

ISBN: 9781439802861