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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
DC–AC Converters 14-21
Since the maximal value can only occur at ωt = π/3 when the third harmonic is crossing zero, this
value can be considered into (14.26), which yields
v v
a a3
1
6
* *
.= (14.27)
Replacing
(
14.27)
i
n
(
14.20)
a
nd
b
y
c
onsidering
t
hat
a
t
ωt = π/
3
t
he
v
alue
o
f
v
a
*
has to be equal to the
carrier maximum value, i.e.,
v v
a cr
* / ) 3 1= =
ˆ
, the following solution is obtained:
v v v
a a a
ˆ
*
* sin *
sin
π π
π
3 3
1
6
3
3
1
0
=
+
=
 
(14.28)
= =v
a
* . .
2
3
1 1547 (14.29)
Replacing (14.29) in (14.27) yields to
v
a3
0 19245* . .= (14.30)
Summarizing, the maximum value the fundamental component of the reference can have is ...
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Publisher Resources

ISBN: 9781439802861