Skip to Main Content
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
Noise and Vibrations of Electrical Rotating Machines 9-11
9.4.1 Amplitudes of Static Distortions
9.4.1.1 Static Distortions
For given
f
mM
, the relationships that dene Y
ms
depend on the m values. ey are given by (9.10), (9.11),
and (9.12), respectively for m = 0, 1, and m 2. e following notations are used (Figure 9.13):
R, internal radius of the stator
R
y
, yoke average radius
T
y
, yoke radial thickness
L, iron length
L
s
, distance between rotor sha supports
d, sha diameter
E, elasticity coecient or Young’s modulus: E = 2.1 × 10
11
N/m
2
for iron
Y
RR f
ET
s
y mM
y
0
=
ˆ
(9.10)
Y
RL L
f
Ed
s
s
mM
1
=
4
3
3
4
ˆ
(9.11)
Y
RR f
ET m
ms
y mM
y
=
12
1
3
3 2
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Electric Motors and Drives

Electric Motors and Drives

Austin Hughes

Publisher Resources

ISBN: 9781439802861