Siemens SINAMICS G120 List Manual page 677

Current limiting
[6723.3] U_output max [Vrms]
[6724.4]
r0071
Current limit
0.00 ... 10000.00 [Arms]
p0640 [D] (0.00)
I_max reduction
[8016.8]
I_max PM
[6730.4]
[6731.4]
[6721.8] Id_setp total [Arms]
[6723.8]
r1624
n_act [rpm]
r0063 [0]
M_max up w/o offs [Nm]
[6630.8] r1526
M_max low w/o offs [Nm]
[6630.8] r1527
Power limiting
P_max gen
-100000.00 ... -0.01 [kW]
p1531 [D] (-0.01)
P_max mot
0.00 ... 100000.00 [kW]
p1530 [D] (0.00)
<1> Intervention by the Vdc controller.
<2> Intervention when the speed limit is exceeded + 2 % n_rated.
1 2
Vector control
Current/power/torque limits
Stall limit scal
Mot L_leak total [mH]
80.0 ... 130.0 [%]
r0377 [D]
p1553 [D] (100.0)
Iq stall
calculation
I_outp max [Arms]
r0067
[6722.1]
Iq_max total [Arms]
Min
x
2 2
x y
y
-1
Max Min
Isq_max stall [Arms]
Isq_max stall [Arms]
Iq
n
3 4
Speed limiting
Kp from speed controller [6040.5]
Tn from speed controller [6040.6]
n_limit pos eff [rpm]
[3050.8] r1084
[3050.8]
r1087
r1533 n_limit neg eff [rpm]
[1]
r1548
Lower limit
[6721.8] M
[6730.1]
Iq
r1548 [0]
Upper limit
<1>
Min
Max
<1>
5
fp_6640_97_53.vsd
09.12.2015
+
+
– –
Speed limiting
controller
<2>
Sign
+ or -
Pre-control
Flux ctrl config
p1401.7
+
Min
+
+
Max
+
6 7
Function diagram
G120 CU240B/E-2
V4.7.6
1 = Speed limiting control
active
r1407.17
[2522.3]
M_max upper eff [Nm]
r1538
[6040.4], [6060.1],
[8012.1]
M_max lower eff [Nm]
r1539
[6040.4], [6060.1],
[8012.1]
Isq_max [Arms]
r1536
[6710.1]
Isq_min [Arms]
r1537
[6710.1]
8
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