Siemens SINAMICS G220 - Page 528

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- 6031 -
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Vector control Pre-control balancing, acceleration model
© Siemens AG
2 3 4 5 6 7 8
V6.02.00
r0062
Speed setpoint after the
filter [rpm]
r1493 Moment of inertia total, scaled [kgm²]
Speed controller speed actual value
smoothing time (sensorless) [ms]
p1452 [D] (10.00)
Acceleration precontrol
scaling [%]
p1496 [D] (0.0)
r0807.0 1 = Master control active
r1438
Speed controller speed setpoint [rpm]
r0056 r0056.14 1 = Vdc_max controller active
+
+
r1087 r1084
+
1 0
r1087
r1084
n_set via PC
Speed controller speed setpoint steady-state (static) [rpm]
r1444
1 0
Pre-control balancing
Acceleration calculation
0
Calculated accelerating torque
[6040.1] [6060.1]
[2526.7]
[6035.8]
[6030.7] [3051.8]
Speed controller reference
model natural frequency [Hz]
p1433 [D] (0.00)
Speed controller reference
model damping
p1434 [D] (1.000)
Speed controller reference model dead time
p1435 [D] (0.00)
r1436
Speed controller reference model
speed setpoint output [rpm]
c1437 [C]
(1436)
Speed controller reference
model I component input
r1432[0]
After symmetrization [rpm]
Reference model
(y = x for the factory setting of
p1433 ... p1435)
x y
1 0
+
+
0
+
+ +
Speed setpoint I component [rpm]
r1439
[6040.1]
1 = Reference model speed setpoint I component
p1400.3 [D]
Pre-control speed_2
[6030.8]
Pre-control balancing 2
1 = Speed precontrol
p1400.10 [D]
0
1
Speed precontrol symmetrizing dead time
p1428 [D] (0.0)
Speed precontrol symmetrizing time constant [ms]
p1429 [D] (0.00)
<1>
The following applies for precontrol balancing: For p1400.2 = 1, parameters p1428 and p1429 are active. For p1400.2 = 0, parameter p1452 is active.
<1>
0 1
1 = Acceleration precontrol signal
source External (p1495)
p1400.2 [D]
c1495 [C]
(0.00)
Acceleration precontrol [rev/s²]
r1119 Ramp-function generator setpoint at the input [rpm]
<2> For p1400.10 = 1
c1160 [C]
(0.00)
Speed controller speed setpoint 2 [rpm]
c1155 [C]
(0.00)
Speed controller speed setpoint 1 [rpm]
<2>
Figure14-127 6031 - Precontrol balancing, acceleration model
Functions
14.10Closed-loop drive control
SINAMICS G220 converter
526 Operating Instructions, 04/2024, FW V6.2, A5E51781573B AB