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U_input
r0072
U_input smooth
300 ms
r0025
Vdc_act
[8864.5]
r0070
Vdc smooth
300 ms
r0026
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
I_active smooth
300 ms
r0030
Reactive current,
actual value
r0076
I_react 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 (control signals, actual values)
Control Unit
1.35
x
2
Switching logic
Motor temperature
120°
60°
Transistor states
T6
T3
Vdc U_lower_thresh
T2
0°
T1
T5
Switching times
T4
f_line
[8864.1]
r0066
240°
300°
f_line smooth
300 ms
r0024
Vdc U_upper_thresh
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)
r0035
r0296
r0297
DRIVE-CLiQ
LT I_max
r0209
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
23.03.07 V02.05.00
PE
U1 V1 W1
Smart Line Module
Motor temperature
r0035
Vdc U_lower_thresh
r0296
Vdc U_upper_thresh
r0297
LT I_max
r0209
iR
R
iS
S
iT
<2>
f_line supply
Voltage/
frequency sensing
U_line supply
50/60 Hz
DC link voltage Vdc_act
DC link current Idc_act
6
7
Function diagram
SINAMICS S
T
+
DCP
DCN
–
8
- 8850 -
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