Siemens SINAMICS DCM Operating Instructions Manual page 579

Parameter assignment
The following parameters should be specifically set for operation with this converter
topology:
Table 10- 73 Parameter assignment, 6-pulse series connection
Parameter
p51798 Voltage at an uncontrolled rectifier
p51799 Operating principle
p51800 Position in the topology
p51802 Minimum number of nodes
p51807 Telegram failure time
p50082 Field operating mode
p50076[..] Reduction in rated unit DC current
p50078[..] Rated value for supply voltage
p50100 Rated motor current
p50110 Armature resistance Ra
p50111 Armature inductance La
p51591 La reduction factor
The optimization run for current controller and precontrol (p50051 = 23 or 25) sets the correct values for these
2)
parameters.
SINAMICS DCM Control Module
Operating Instructions, 12/2018, A5E34888669A
Master
Actual voltage as a percentage of
the voltage at the master (stand-
ard: 85%)
0
35 (Master for diode rectifier)
Number of SINAMICS DCM units
in this topology
0.0 s
0.1 s if units connected in parallel
are available
≠ 0
-
-
Rated motor current/number of
SINAMICS DCM
Actual armature resistance ×
2)
number of SINAMICS DCM
Actual armature inductance ×
2)
number of SINAMICS DCM
-
2)
Descriptions of functions
10.26 Connecting units in parallel and in series
Units connected in parallel with
the master
The same as at the master
0
33
Number of SINAMICS DCM units
in this topology
0.1 s
0 (no field)
The same as at the master
The same as at the master
The same as at the master
The same as at the master
The same as at the master
The same as at the master
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