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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
14-16 Power Electronics and Motor Drives
where θ
k
is the angle between the α axis and the current space vector k. Since all the space vectors have
the same amplitude |V
k
| = |V
k+1
| = 2V
dc
/3, they can be replaced in (14.14) and (14.15). en the only
unknown variables le in (14.14) and (14.15) are t
k
and t
k+1
. us, the following set of equations to solve
the duty cycles can be obtained:
t
T V
V
k
m s
dc
k
k
=
3
2
3
|
*
|
cos( ) sinθ θ
θ θ
(14.16)
t
T V
V
k
m s
dc
k
+
=
1
3
3
|
*
|
sin( )θ θ
(
14.17)
t T t t
m k k0 1
=
+
(14.18)
Note that (14.18) is simply obtained from (14.13) once the two nonzero vector duty cycle times have
been computed, in order to complete ...
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Publisher Resources

ISBN: 9781439802861