Siemens SINAMICS DCM Manual página 805

Ia lim pos min [%]
r52131
[6840.8]
Armature current controller
[6840.8]
setpoint before current limitation
Ia lim neg max [%]
r52132
[6840.8]
MI active
[6860.7] r53190.1
MII active
[6860.7] r53190.2
<1> Switchover between reduced gearbox stressing and current setpoint integrator.
p50157[D] = 0: Reduced gearbox stressing.
p50157[D] = 1: Current setpoint integrator.
<2> Ramp-up time for reduced gearbox stressing or current setpoint integrator.
<3> If p50157[D] = 0: Set integrator to zero.
If p50157[D] = 1: Stop integrator.
1 2
DO: DC_CTRL
Armature cicuit control - Current limitation (part 2)
Ia_set bef gear [%]
r52120
Set integ t_r-up
0.000...1.000 [s]
<2>
p50158[D] (0.000)
I_set integ sel
M dir chng in prog
p50157[D] (0)
r53190.6
<1>
[6860.7]
1
0
1
0
3 4
M lim active
[6830.7]
I_set integ sel
0...1
p50157[D] (0)
<1>
Limitation active
during ramp-up
Limitation active
during ramp-down
<3>
1
5
fp_6845_13_eng.vsd
30.11.18 V01.05.00
I/M limiting
r0056.13 [2452.5]
M/Ia lim active
r53150.5
1 r53151.4
Ia lim active
1 r53151.2
Pos Ia lim rch
[6815.7]
1 r53151.0 [6862.3]
[8046.1]
Ia set aft gear [%]
r52125 [6855.1]
Neg Ia lim rch
[6815.7]
1 r53151.1 [6862.3]
[8046.1]
6 7
Function diagram
SINAMICS DCM
2000 μs
[1721]
8
- 6845 -