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Act
ive Infeed
F
u
nct
ion
D
iag
ra
m
s
2
-13
71
© Siemens AG 2
007 All Rights Reserved
SINAMICS
S List Manual (LH1
), 07/200
7
Fi
gure 2-2
4
3
8
950 – Interfa
c
e to the Acti
ve Infee
d
,
con
tro
l
si
gnal
s, actual
val
ues (p340
0.0 = 0)
- 8950 -
Function diagram
8
7
6
5
4
3
2
1
fp_8950_01_eng.vsd
DO: A_INF
SINAMICS S
10.04.07 V02.05.00
Active Infeed - Interface to the Active Infeed (control signals, actual values) (p3400.0 = 0)
Line supply and
filter model
K
P
2
3
Coordinate converter
and transformation
+
Transformation angle
Coordinate converter
and transformation
Phase current actual values
IW
IV
IU
Control Unit
DRIVE-CLiQ
PWM
DCP
r0078
Iq_act
[8946.8]
[8946.8]
DC link voltage Vdc_act
r0074
Modulation depth [%]
LT I_max
r0209
<1> Angle of the voltage vector in the
fixed stator coordinate system.
<1>
Vdc smooth
r0026
Modulation depth, smooth
r0028
f_line smooth
r0024
U_input smooth
r0025
x
1
x
2
2
x
x
2
1
•
I_active smooth
r0030
2
2
id
iq
+
I_act abs value smooth
r0027
I_react smooth
r0029
r3635
INF U_output angle
P_active_actual smooth
r0032
cos phi smooth
r0038
DCN
<4> Voltage management is optional (otherwise from the filter module).
<2>
[8964.5]
[8940.1]
p0220...p0227
U_line supply calculated [8940.6][8960.1]
U1 V1 W1
LT I_max
r0209
iR
iS
iT
R
S
T
f_line supply
U_line supply
Voltage/
frequency sensing
+ +
+
[8940.1]
[8946.4]
[9880.8]
[9880.8]
<4>
r3632
r3633
300 ms
300 ms
300 ms
300 ms
300 ms
300 ms
300 ms
300 ms
300 ms
r0070
Vdc_act
Line reactor
Voltage Sensing Module (VSM)
PE
Active Interface Module
Active Line Module
Only chassis
–
+
p0115[1] (250.00 µs)
<5> For p3400.0 = 1, [8850] applies.
<5>
r0068
I_act abs. value
Id_act
r0076
Phase W
r0069[2]
Phase V
r0069[1]
Phase U
r0069[0]
Sum U, V, W
r0069[6]
r0072
U_input
[8964.1]
r0082
P_act
r0094
Transformat_angle
r0066
f_line
r3661
r3662
DC link current Idc_act
Vdc U_upper_thresh
r0297
Vdc U_upper_thresh
r0297
Vdc U_lower_thresh
r0296
Motor temperature
r0035
Vdc U_lower_thresh
r0296
Motor temperature
r0035
[8946.4]
p3614
X21.1
X21.2
-Temp
+Temp
+Temp
-Temp
X121.1
X121.2
<3>
<2>
<2>
<2> Only for chassis.
<3> Only for booksize.