Siemens SINAMICS G220 - Page 536

- 6640 -
1
Vector control 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>
[6721.8] [6723.8] [6791.8] [6730.5] [6731.8] [6792.8] [8016.8] [6723.4] [6724.4] [6791.4]
r0067
Output current maximum [Arms]
[6722.1] [6724.1]
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 -
[6040.5] [6040.6]
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]
[6630.8] [6630.8]
[6835.8] [6836.8] [6841.1]
[6710.1] [6710.1]
r1538
Upper effective torque limit [Nm]
r1539
Lower effective torque limit [Nm]
[6040.3] [6060.1] [6040.3] [6060.1]
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]
c0641 [C]
(100.00)
Current limit
scaling [%]
<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
1 = Precontrol speed limitation
p1401.7 [D]
Motor stator leakage inductance [mH]
p0356 [M] (0.00000)
Motor current
limit [Arms]
p0640 [D] (0.00)
Precontrol
[4715.6]
Stall limit scaling [%]
p1553 [D] (100.0)
r0063[0]
Speed actual value Unsmoothed [rpm]
r0066 Output frequency [Hz]
[6730.5], [6731.5], [6792.5]
x
2
– y
2
Figure14-135 6640 - Current/power/torque limits
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
534 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB