Siemens SINAMICS DCM Manual página 808

La
0.000...1000000.000 [mH]
p50111[D] (0.000)
Arm I_incr [A/s]
r52104
[6850.7]
Ia act 1 cyc [%]
r52114
[6851.6]
Red Ia rated [A]
Ra
r50072[1]
0.000...4000.000 [ ]
p50110[D] (0.000)
[6902.8]
[6810.5]
[6910.7]
<1> The signal source for the external Ua or EMF actual value must be set here.
Notice:
The factory setting r52287 (internal EMF) must only be left unchanged when p50162 = 3.
When p50162 = 2, this setting leads to extreme current fluctuations.
1 2
DO: DC_CTRL
Armature circuit control - Selection of EMF actual value for armature current pre-control
EMF act sign [%]
[6902.7] r52123
+
–
+
V_supp rated val
Arm 1U1/1V1/1W1
10...2000 [Vrms]
p50078[0] (400)
1.35
EMF/Ua ext sig s
p50193
<1>
(r52287)
Act sel [%]
r52167
If ctr motor flux [%]
EMF rated
r52290
0...200 [%]
p50118[D] (63)
n_rated
0.0...200.0 [%]
p50119[D] (100.0)
3 4
EMF sel
1...4
EMF smoothing sel
p50162[D] (1)
0...160
p50163[D] (6)
1
2
Filtering/
3
averaging
+
Ua 4
1: Internal EMF actual value
2: External Ua actual value í Ra · ia í La · di/dt
3: External EMF actual value
4: EMF actual value from actual speed value
5
fp_6852_13_eng.vsd
03.12.18 V01.05.00
EMF act pre-ctr [%]
r52122 [6855.1]
6 7
Function diagram
SINAMICS DCM
1000 μs
[1721]
8
- 6852 -