User Manual

SINAMICS G120 CU230P-2 Control Units
List Manual (LH9), 04/2014, A5E33838102B AA
591
3 Function diagrams
3.10 Vector control
Fig. 3-84 6640 – Current/power/torque limits
- 6640 -
Function diagram
87654321
fp_6640_97_01.vsd
Vector control
G120 CU230P-2
07.04.2014 V4.7
Current/power/torque limits
<1>
Iq
M
22
yx
-1
Min
Max Min
Min
Min
Max
+
[6730.1]
[6732.1]
[6710.1]
[3050.8]
[6722.1]
x
y
<2>
<1>
Max
[6710.1]
[3050.8]
n
Iq
Current limiting
I_max reduction
I_max Power Module
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
Mot L_leak total [mH]
r0377 [D]
Iq_max total [Arms]
r1533
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]
Isq_max [Arms]
r1536
r1084
n_limit pos eff [rpm]
r1087
n_limit neg eff [rpm]
r0067
I_outp max [Arms]
r0063
n_act [rpm]
[0]
r1548
Isq_max stall [Arms]
[0]
r1548
Isq_max stall [Arms]
[1]
Lower limit
Upper limit
Sign
+ or -
r1407.17
[2522.3]
1 = Speed limiting control
active
[6723.4]
[8016.8]
[6730.4]
Id_setp total [Arms]
r1624
[6723.8]
Current limit
p0640 [D]
[6630.8]
[6630.8]
[6730.1]
+
+
+
+
+
[6040.4], [6060.1],
[8005.1]
[6040.4], [6060.1],
[8005.1]
Isq_min [Arms]
r1537
<1>
<2>