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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
11-16 Power Electronics and Motor Drives
11.2.6 Direct Power Control–Space Vector Modulated
e DPC-SVM with constant switching frequency uses closed-loop power control, what is shown in
Figure 11.11a [13,17]. e commanded reactive power q
ref
(set to zero for unity power factor operation)
and (delivered from the outer PI-DC voltage controller) active power p
ref
(power ow between the sup-
ply and the DC-link) values are compared with the estimated q and p values (Equations 11.33a and b),
u
La
L
u
Lb
L
u
Lc
L
p q
γ
ΨL
i
La
D
a
D
a
+
PWM rectifier voltage estimation block Virtual flux estimation block Active and reactive power estimation block
2
3
+
+
+
+
arctg
+
+
ω
q
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Publisher Resources

ISBN: 9781439802861