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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
AC Electrical Machine Torque Harmonics 10-11
For h = k, L
kk
is denoted as self inductance coecient including the leakage inductance, for h k, L
kh
corresponds to a mutual inductance coecient between windings k and h.
In
t
he
fo
llowing,
a l
inear
m
agnetic
c
ircuit
i
s
c
onsidered
(
L
kh
does not depend on i
h
but only on θ).
S
o
=
L
i
kh
h
0 and Equation 10.31 becomes
v r i
d
dt
i
L
L
di
dt
k k k h
kh
h
n
kh
h
h
n
= +
+
= =
θ
θ
1 1
(
10.32)
Let us consider the total energy dW
t
= pdt applied to the system during the time interval dt:
v i dt r i d t i d
k k
k
n
k k
k
n
k
k
n
k
= = =
= +
1
2
1 1
ψ (10.33)
Let dW denote the energy applied to the idealized system (initial system without ...
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Publisher Resources

ISBN: 9781439802861