WEG CFW-09 - Page 161

162
CHAPTER 6 - DETAILED PARAMETER DESCRIPTION
Figure 6.27 c)
- Block diagram of the VVW Control
P202 = 5 (VVW Control
)
U
d
P151
U
d
DC Voltage
Regulator
Hold
P100-104
t
Filter
+
+
Reference
(Refer to
figure 6.25)
P134
P133
P403
f
slip
Calculate f
slip
f
o
T
L
/T
R
,S
R
f
o
l
a
l
o
m
Estimated
Torque
P404, P399,
P401, P409,
P402, P403
U
d
l
o
Calculate l
o
i
v
, i
w
P295
l
a
i
v
, i
w
Calculate l
a
m
P295
Sextant
angle
f
o
m
PWM
i
v
, i
w
Space Vector
Modulation
PWM
FWD/
REV
f
o
l
a
l
o
Flux Control
m*
U
d
Line
Output
compensation
voltage
U
d
P400, P403,
P401, P407,
P409, P178
l
o
MI
3

P151
t