Vector Control, Speed Control And Generation Of The Torque Limits - Siemens SINAMICS G120 Manual

n_ctrl setp sum [1/min]
Mot MomInert Ratio
r1170
[1550.8]
Mot M_mom of inert
p0341
n_set_filt 1 T
p1416
n_set after filter [1/min]
r0062
–
Symmetrizing
Droop input
p1488
[6030] Speed [6031] Acceleration model
setpoint filter
n_modell
n_act [1/min]
r0063[0..2]
1 2
Overviews

Vector control, speed control and generation of the torque limits

[6050]
Kp_n-/Tn_n adaptation
Kp-Adaption
n_ctrl SLVC Kp
p1470
p0342
a_before scaling
p1496
n_ctrl n_set [1/min]
r1438
–
n_C n_act T_s SLVC
p1452
[6040]
Speed controller
p1503 [C]
n_pre-control
[1710.1]
p1400 p1401 r0056
[6490] Closed-loop speed control configuration
[6491] Closed-loop flux control configuration
[2526] Status word closed-loop control
[2530] Status word closed-loop current control
3 4
M_suppl 1
p1511 [C]
Tn-Adaption
n_ctrl SLVC Tn
p1472
M_suppl 1 scal
p1512 [C]
M_suppl 2
p1513 [C]
M_accel [Nm]
r1518 [0]
Kp Tn
Integrator control
[6060] Torque setpoint
Changeov n/M_ctrl
p1501 [C]
(0)
(0)
M_max upper
p1520 [D] (0.00)
M_max lower
r1408
p1521 [D] (0.00)
5
FP_1700_97_54.vsd
13.12.2010
(0)
For Kp
adaptation
(0)
M_suppl 2 scal
M_suppl total
p1514
r1515
(0)
p1300
(r1407.1)
r1508
M_set bef. M_suppl [Nm]
Current limit
I_Ausg max
p0640
r0067
M_max upper
p1522 [C]
(1520[0])
Generating the
M_max lower
torque limits
p1523 [C]
(1521[0])
P_max mot P_max gen
p1530 p1531
[6630] Torque limit
[6640] Current-power limit
6 7
Function diagram
G120 CU230P-2
V4.4
M_set [Nm]
r0079
[1710.1]
M_max upper eff [Nm]
r1538
M_max lower eff [Nm]
r1539
8
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