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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
12-36 Power Electronics and Motor Drives
e factor K
PWM
that appears in the inner loops represents the dynamic gain introduced by the pulse-
width-modulators. e structure and parameters of the regulators are chosen on the basis of the pole-
zero compensation method, in order to ensure an optimal second-order behavior to the corresponding
closed-loop (i.e., a damping factor equal to 0.707). Considering the numerical values given in Table 12.2,
it yields for the inner loops
H s
s
s s
i d,
( )
, ( . )
( , )
=
+
+
1 128 44 72
6 28 3
2
2
(12.101)
K
PWM
K
PWM
K
PWM
K
v
K
v
K
i
K
i
+
_
Δv
0,ref
= 0
i
s,d,ref
= 0
v0
G΄
0∆0
(s)
G
΄
0d
(s)
G
΄
0d
(s)
+
+
v
0
H
v
(s)
V
0
+
Inner
controllers
Outer voltage
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Publisher Resources

ISBN: 9781439802861