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3 Function diagrams
3.13 Vector control
SINAMICS G120C
414 List Manual (LH13), 04/2014, A5E33840768B AA
Fig. 3-81 6640 – Current/power/torque limits
- 6640 -
Function diagram
87654321
fp_6640_97_05.vsd
Vector control
SINAMICS G120C
07.04.2014 V4.7
Current/power/torque limits
<1>
Iq
M
22
yx
-1
Min
Max Min
Min
Min
Max
+
–
+
+
+
[6722.1]
[6723.4]
[6724.4]
[6630.8]
[6630.8]
[6721.8]
[6730.1]
[6060.1] [6040.4]
[8012.1]
[6710.1]
[3050.8]
–
<1>
[8016.8]
[6730.4]
[6731.4]
[6723.8]
[6722.1]
x
y
[6060.1] [6040.4]
[8012.1]
+
+
<2>
<1>
Max
[6710.1]
[3050.8]
n
Iq
Current limiting
I_max reduction
I_max Power Module
Id_set total
Power limiting
Iq stall
calculation
Intervention by the Vdc controller.
Intervention when the speed limit is exceeded + 2 % n_rated.
Speed limiting
Kp from speed controller [6040.5]
Tn from speed controller [6040.6]
Speed limiting
controller
U_output max [Vrms]
r0071
Iq_max total [Arms]
r1533
Current limit
0.00 ... 10000.00 [Arms]
p0640 [D] (0.00)
P_max gen
-100000.00 ... -0.01 [kW]
p1531 [D] (-0.01)
P_max mot
0.00 ... 100000.00 [kW]
p1530 [D] (0.00)
r1538
M_max upper eff [Nm]
r1539
M_max lower eff [Nm]
r1084
n_limit pos eff [rpm]
r1087
n_limit neg eff [rpm]
r1527
M_max low w/o offs [Nm]
r1526
M_max up w/o offs [Nm]
r0067
I_outp max [Arms]
r0063
n_act [rpm]
[0]
Sign
+ or -
r1407.17
[2522.3]
1 = Speed limiting control
active
<2>
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