- 6829 -
1
Dynamic Drive Control (DDC, p0504 = 2)
Current/power/torque limits
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
<1>
-1
Min
Max Min
Min
Min
Max
+
–
x
y
<2>
<1>
Max
n
Iq
–
+
+
+
+
+
Maximum output voltage [Vrms]
r0071
Field-generating current
setpoint total [Arms]
r1624
Power limit motoring
0.00 ... 100000.00 [kW]
p1530 [D] (0.00)
Power limit regenerative
-100000.00 ... -0.01 [kW]
p1531 [D] (-0.01)
I_max reduction
<2>
[6835.8]
[6836.8]
[6838.8]
[6841.8]
[6842.8]
[6843.8]
[8016.8]
[6835.4]
[6838.4]
[6839.4]
r0067
Output current
maximum [Arms]
[6837.1]
[6839.1]
Current limit torque-
generating total
[Arms]
r1533
[3051.8]
[3051.8]
r1084
Positive speed limit
effective [rpm]
r1087
Negative speed limit
effective [rpm]
Sign
+ or -
[6824.5]
[6824.6]
Kp from speed controller
Tn from speed controller
[2522.4]
Iq stall
calculation
r1548[0]
Upper limit [Arms]
r1548[1]
Lower limit [Arms]
r1526
Total upper torque limit [Nm]
r1527
Total lower torque limit [Nm]
[6828.8]
[6828.8]
[6835.8]
[6836.8]
[6841.1]
[6832.1]
[6832.1]
r1538
Upper effective torque
limit [Nm]
r1539
Lower effective torque
limit [Nm]
[6824.4]
[6826.1]
[6824.4]
[6826.1]
M
Iq
Torque-generating current
minimum limit [Arms]
r1537[0..1]
Torque-generating current
maximum limit [Arms]
r1536[0..1]
Intervention by the Vdc controller.
Intervention when the speed limit is exceeded + 3 % n_rated.
Power limiting
Speed limitingCurrent limiting
Speed limiting
controller
<1>
r0289
Maximum power unit output current
[Arms]
<3>
<3> Power derating possible using c1555 ∙ p1556.
+
+
+
Torque limit offset
-100000.00 ... 100000.00 [Nm]
p1532 [D] (0.00)
r1534
Total upper torque limit
[Nm]
r1535
Total lower torque
limit [Nm]
+
<4>
<4>
<4> The limit (current, stall, torque or power limit) which is active and limits the torque is indicated in r1408.16 … r1408.18.
r1407
r1407.17
1 = Speed limiting control active
r0063[0]
Speed actual value
Unsmoothed [rpm]
Motor stator leakage inductance [mH]
p0356 [M] (0.00000)
Motor current
limit [Arms]
p0640 [D] (0.00)
c0641 [C]
(100.00)
Current limit
scaling [%]
r0066
Output frequency [Hz]
[6841.5], [6842.5], [6843.5]
x
2
– y
2
Figure14-92 6829 - Current/power/torque limits
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB 481