INF U_input
r0072
INF U_input smooth
300 ms
r0025
Vdc_act
[8864.5]
r0070
Vdc smooth
r0026
300 ms
180°
<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
r0078
INF I_active smooth
300 ms
r0030
Reactive current,
actual value
r0076
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).
1
2
DO: S_INF
Smart infeed - interface to the smart infeed (gating signals, actual values)
Control Unit
1.35
x
2
Switching logic
120°
60°
Transistor states
T6
T3
T2
0°
T1
T5
Switching times
T4
INF f_line
240°
300°
[8864.1]
r0066
INF f_line smooth
r0024
300 ms
Line angle
p0223...p0227
Line supply and
filter model
U_line supply calculated [8860.1]
Transformat_angle
r0094
+
+ +
2
3
Phase current actual values
Coordinate converter
I_act abs value smooth
300 ms
r0027
and transformation
I_act abs. value
iq +
2
2
r0068
id
[8014.1]
3
4
p0115[1] (250.00 µs)
LT I_max
r0209
DRIVE-CLiQ
Sum U, V, W
r0069[6]
Phase U
IU
r0069[0]
Phase V
IV
r0069[1]
Phase W
r0069[2]
IW
5
fp_8850_01_eng.vsd
15.11.05 V02.04.00
PE
U1 V1 W1
Smart Line Module
LT I_max
r0209
iR
R
iS
S
iT
<2>
f_line supply
Voltage/
U_line supply
frequency sensing
50/60 Hz
DC link voltage Vdc_act
6
7
Function diagram
SINAMICS S
T
+
DCP
DCN
–
8
- 8850 -