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Function diagrams
Vector control
2-466
Siemens AG 2004 All Rights Reserved
SINAMICS G List Manual, Edition 12.2004
Picture 2-83 6723 – Field weakening controller, flux controller for induction motors (p0300 = 1)
- 6723 -
Function diagram
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1
fp_S01_6723_en.vsd
DO: VECTOR
SINAMICS G
17.12.04
V02.02.00
Vector current control - field weakening c
ontroller, flux controller for induction motors (p0300
=1)
r1583
Flux setpoint, smoothed
Voltage reserve, dynamic
0...150 [Vrms]
p1574[D] (10)
V_set 1
–
2
r0071
V_output max
Field-weakening controller, integral action time
10...10 000 [ms]
p1596[D] (50)
r1598
Flux setpoint total
-1
[6714.1]
1
0
0
[6491]
Flux differentiation
p1401.1
[6491]
Flux build-up control
p1401.2
V_max
1
V_max-ctrl output
r1597
Id current limi
t
[6722.8]
[6722.8]
+
+
+
+
Id_set total
r1624
Saturation characteristic
p0362 ... p0369
I_set_steady-state
r1623
[6640.1]
[6714.8]
[6730.1]
[6714.8]
+
+
Refer to [1020.7]
p0115[y] (MM)
Vdc smooth
r0026
–
[6714.1]
0
-200 %
p0230
P
u
ls
e
f
re
quency
p1800
Modul
ator, modes
p180
2
Modul
at
ion depth,
max
p180
3
Modulat_depth max
r0073
Calculation, max. modulation dep
th