Vector Control, V/F Control - Siemens SINAMICS G120 Manual

RFG setp at inp [1/min]
Ramp-function
[3050.8] r1119
generator
[3060]
I_max reduction
[8016.8]
I_max Power Module
[6730.4]
P_act [kW] MIN
[6799.8] r0082 [0]
PU P_rated [kW] <1>
r0206 [2]
I_act abs val [Aeff]
r0068 [0]
[6714.8]
f_set
r0056
.
.
.
[6300]
[2526]
<1> PM250, PM260: The current limit is calculated out of r0206 [2] in generative operation.
1 2
Overviews

Vector control, V/f control

Flying restart
Vdc_ctrl config
mode
p1200
[6320]
n_ctrl setp sum [1/min]
r1170
[6030.1]
I_outp max [Aeff]
Imax closed-loop
r0067
frequency control
p1340 ... p1341
+
Imax closed-loop
voltage control
p1345 ... P1346
Soft starting
p1350
Control mode
p1300
V_boost perm
p1310
V_boost accelerate
[6300.8]
p1311
V_boost starting
p1312
U/f Eco fac act v [%]
r1348
Eco mode
3 4
Slip
Speed actual
compensation
value calculation
p1280
p1334, p1335
[6310]
+ +
+ +
60
I_max_ctrl f_outp [1/min]
r1343
Mot PolePairNo act
r0313 [D]
ZSW cl-loop ctrl
r0056
I_max_ctrl U_outp [Veff]
r0056 .13 r1344
+
+
5 6
FP_1690_97_51.vsd
13.12.2010
Uf Res_damp
gain
p1338
[6310]
f_outp [Hz]
r0066
+
[6310]
f_outp smooth [Hz]
100 ms r0024
Transformat_angle [°]
r0094
U_output [Veff]
r0072
[6730.4]
U_outp smooth [Veff]
r0025
100 ms
7
Function diagram
G120 CU230P-2
V4.4
8
- 1690 -