Siemens SINAMICS DCM Manual página 806

AI 3 raw value
[2085.4]
AI 4 raw value
[2085.4]
AI 5 raw value
[2090.4]
AI 6 raw value
[2090.4]
Device I_rated red armature
1.0...100.0 [%]
p50076[0] (100.0)
A
Load 1
A
Load 2
To line voltage sensing
[6950]
Thyristor
bridge
<3> <4>
Load 3
+
M
í
To Ua sensing
[6902]
1 2
DO: DC_CTRL
Armature circuit control - Actual armature current value sensing (part 1)
I_sens AI config
0...4
p51852 (0)
I_transf config
1...5
p51824 (2)
<1>
V_load Ia_rated
0.1000...1.2000 [V]
p51823 (1.0000)
<1>
D
D
<2>
2 I_sen AI V at Ia
0.100...10.000 [V]
p51853 (5.000)
<4>
A
D
<1> These parameters are only effective with the Control Module.
<2> This parameter is only effective if p51852 > 0.
<3> Only for options Z01 … Z15.
<4> Twice for option Z04, Z05, Z07, Z13, Z15.
<5> Only for option Z04, Z05, Z07, Z13, Z15.
3 4
RMS values
3
over 6 current maximum values
0.816
Red Ia rated [A]
r50072[1]
Ia/If sc_values
Ia I_transf I [A]
r52952[2]
Ia I_transf II [A]
r52952[3]
2
<4>
Conversion
and averaging
5
fp_6850_13_eng.vsd
05.10.18 V01.05.00
I_phase rms [%]
r52108[0...2]
Ia/If sc_values
Ia [A]
r52952[0]
Arm I_incr [A/s]
d
dt r52104
Arm I_flow dur [%]
r52103
Evaluation
Ia not pulsating
1 = Armature current
r53192.0
not pulsating
<5>
Current PU1 / PU2
2
6 7
Function diagram
SINAMICS DCM
250 μs
[6851.1]
[6852.1]
[6853.3]
[8042.2]
8
- 6850 -