Baumuller b maXX BM5800 - Page 485

Description of the Software Modules and Parameters
Parameter manual b maXX BM5800
Document No.: 5.16029.03
485
of 814
3
m Special case "permanent field current" (Z142.1– bit 0 = 1):
Isd set value Z47.2– = Field current preset value Z19.9–
 independent of field weakening factor.
m IPMSM:
see ZField weakening at IPMSM– from page 130.
Figure 126: Block diagram of the field weakening factor
5000_0227_rev02.cdr
1
MIN
MIN
u

u


 uu

2
+
2
3/2
.
Speed threshold
x2 speed
actual value
filtered
18.22
Voltage
threshold
142.8
Max. total PWM
voltage 142.6
Minimum field weak
factor 142.5
Field weak
factor
142.2
PWM total voltage
smoothed 142.7
(107.7, 142.9)
Field weakening controller
Smoothing time
(142.10)
after PWM 47.41
after PWM 47.42
Voltage limit field
weakening controller
142.23
Factor
field weak
threshold
142.15