
14-46 Power Electronics and Motor Drives
t
T I
I
k
s s
dc
k+
= −
1
| *|
sin( )θ θ
(14.50)
s k k0 1
+
(14.51)
Note
t
hat
(
14.51)
i
s
si
mply
o
btained
f
rom
(
14.46)
o
nce
t
he
t
wo
n
onzero
v
ector
d
uty
c
ycle
t
imes
h
ave
been computed, in order to complete the modulation period T
s
.
This
g
eneric
s
ector
s
olution
d
escribed
e
arlier
c
an
b
e
e
asily
a
pplied
t
o
a
ny
s
ector
r
eplacing
t
he
numeric k index (k = 1,…,6). The final stage in the SVM algorithm is to generate an appropri-
ate
s
witching
s
equence
b
etween
t
he
m
odulating
v
ectors
a
nd
t
heir
d
uty
c
ycles.
S
ince
t
he
s
witching
c
onstraints
a
re
i
nherently
s
atisfied
b
ecause
o
nly
a
dmissible
s
witching
s
tates
a
re
c
onsid ...