Vector control
Function diagrams
2-591
© Siemens AG 2011 All Rights Reserved
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 01/2011
Fig. 2-82 6640 – Current/power/torque limits
- 6640 -
Function diagram
87654321
FP_6640_97_51.vsd
Vector control
G120 CU230P-2
13.12.2010 V4.4
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]
[6732.1]
[6060.1] [6040.4]
[8012.1]
[6710.1]
[3050.8]
<1>
<2>
[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 [Veff]
r0071
Mot L_leak total [mH]
r0377 [D]
Iq_max total [Aeff]
r1533
Current limit
0.00 ... 10000.00 [Aeff]
p0640 [D] (0.00)
Id_setp total [Aeff]
r1624
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 [Aeff]
r1536
Isq_min [Aeff]
r1537
r1084
n_limit pos eff [1/min]
r1087
n_limit neg eff [1/min]
r1527
M_max low w/o offs [Nm]
r1526
M_max up w/o offs [Nm]
r0067
I_outp max [Aeff]
r0063
n_act [1/min]
[0]
r1548
Isq_max stall [Aeff]
[0]
r1548
Isq_max stall [Aeff]
[1]
Lower limit
Upper limit
Sign
+ or -
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