Siemens SINAMICS DCM Manual página 819

Determination of EMF setpoint
V_supp rated val
100 %
EMF ctr act sig s
Armature 1U1/1V1/1W1
p50616
10...2000 [Vrms]
(r52286)
p50078[0] (400)
[6902.8]
1.35
Mot rated I_armat
0.0...20000.0 [A]
p50100[D] (0.0)
Mot rated V_armat
10...2800 [V]
p50101[D] (400)
+
EMF ctr set abs [%]
r52289
–
Mot EMF set [V]
r50039
Ra
0.000...4000.000 [Ÿ]
p50110[D] (0.000)
Automatic field current reduction,
if EMF is too high for braking operation
– 5°
Effective
[6860.6]
w limit
+
2
+
Fir ang bef lim [%]
0
r52101
–
[6860.3]
1 2
DO: DC_CTRL
Field circuit control - EMF control
EMF ctr act [%]
r52285
EMF ctr act T
0...10000 [ms]
p50282[D] (0)
Actual value
–
EMF ctr set T
0...10000 [ms] +
p50281[D] (0)
Setpoint
EMF ctr set sig s
p50615[0...3]
[0](r52289)
+
[1](0)
+
[2](0)
+
[3](0)
+
+
EMF prec set T
0...10000 [ms]
p50280[D] (0)
EMF prec act T
0...10000 [ms]
p50283[D] (0)
Sel act abs [%]
r52166
[6810.5]
EMF ctr Tn
I_field_red act
0.010...10.000 [s]
p50272 (0)
p50276[D] (0.200)
0
0 %
1
3 4
EMF ctr dif [%]
r52283
EMF ctr Kp
0.01...100.00
p50275[D] (0.60)
EMF ctr dif droop [%]
r52284
EMF controller
–
+
EMF ctr ena sig s
0 = Set
p50693[C]
I component
(1)
to zero
&
EMF ctr P comp act
p50284[D] (1)
EMF ctr set [%]
r52288
0
EMF ctr I comp act
p50274[D] (1)
EMF controller
precontrol
I_field_set
100 %
EMF_set
p50102
|n_act|
n_trig |n_act|
EMF rated n_rated
0 %
0...200 [%] 0.0...200.0 [%]
p50118[D] (63) p50119[D] (100.0)
1
0
A60143 "Reduction of the field current setpoint
for an excessively high EMF during braking active"
5
fp_6900_13_eng.vsd
30.10.18 V01.05.00
EMF ctr droop
0.0...10.0 [%]
p50277[D] (0.0)
EMF ctr Tn
0.010...10.000 [s]
p50276[D] (0.200)
EMF controller
EMF ctr I com outp [%]
r52282
I component
EMF ctr P com outp [%]
P component
r52281
EMF ctr outp [%]
Output
r52280
Pos If lim rch
Neg If lim rch
< 0
1
100 %
0
EMF prec+ctrl sel [%]
1 = |n_act| > n_trig
+
r52277
1
EMF ctr prec act
+
EMF prec+ctrl outp [%]
p50273[D] (1)
r52278
0
EMF ctr prec outp [%]
100 %
r52293
1
Mot rated I_exc
0.00...600.00 [A]
p50102[D] (0.00)
Field characteristic
I_field flux 0 %...95 %
Device If_rated [A]
0.0...100.0 [%]
r50073[1]
p50120[D] (0.0)
···
p50139[D] (89.1)
6 7
Function diagram
SINAMICS DCM
8000 μs
[1721]
r53193.0 [6905.4]
r53193.1 [6905.4]
Field weak act
p50081[D] (0)
[6905.1]
[6910.1]
8
- 6900 -