INF U_input
r0072
INF U_input smooth
300 ms
r0025
Vdc_act
[8964.5]
r0070
[8940.1]
Vdc smooth
300 ms
r0026
r3632
[8946.8]
r3633
[8946.8]
Coordinate converter
and transformation
<2>
[9880.8]
r3661
[9880.8]
r3662
cos phi smooth
300 ms
r0038
P_active_actual smooth
300 ms
r0032
P_act
r0082
Iq_act
[8946.4]
r0078
INF I_active smooth
300 ms
r0030
Id_act
r0076
[8946.4]
INF I_reactive smooth
300 ms
r0029
<1> Angle of the voltage vector in the
fixed stator coordinate system.
<2> Voltage management is optional (otherwise from the filter module).
<3> For p3400.0 = 1 the following applies [8850].
1
2
DO: A_INF
Active infeed - interface to the active infeed (gating signals, actual values) (p3400.0 = 0)
Control Unit
•
x
x
x
1
1
2
2
x
2
Modulation depth [%]
r0074
[8940.1]
K
Modulation depth, smooth
300 ms
r0028
P
INF f_line
<1>
[8964.1]
r0066
INF U_output angle
INF f_line smooth
r0024
300 ms
+
Transformation angle
p0221...p0227
Line supply and
filter model
U_line supply calculated [8940.6][8960.1]
Transformat_angle
r0094
+
+ +
2
3
Phase current actual values
Coordinate converter
I_act abs value smooth
and transformation
300 ms
r0027
I_act abs. value
iq +
2
2
r0068
id
[8014.1]
3
4
p0115[1] (250.00 µs)
<3>
r3635
LT I_max
r0209
DRIVE-CLiQ
Sum U, V, W
r0069[6]
Phase U
IU
r0069[0]
Phase V
r0069[1]
IV
Phase W
r0069[2]
IW
5
fp_8950_01_eng.vsd
23.03.06 V02.04.00
U1 V1 W1
Active Interface Module
Voltage Sensing Module (VSM)
Line reactor
Only chassis
PE
Active Line Module
LT I_max
r0209
iR
R
iS
S
iT
<2>
f_line supply
Voltage/
U_line supply
frequency sensing
PWM
DC link voltage Vdc_act
6
7
Function diagram
SINAMICS S
T
+
DCP
DCN
–
8
- 8950 -