12.2010
Appendix
Siemens AG 6RX1700-0DD74
ENGLISH
77
SIMOREG DC-MASTER Converter Commutation Protector Operating Instructions
4
6RA7091-6FC00-0 for motors with rated armature voltage 470 V (P101 or p50101)
Voltage setpoint in V (U578 or p51578)
500A
600A
700A
800A
900A
1000A
1100A
1200A
140
190
240
290
340
390
440
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
500A
600A
700A
800A
900A
1000A
1100A
1200A
Untergrenze
Obergrenze
Actual unit rated DC armature current in A (r072i002 or r50072[1])
Armature circuit inductance in mH (P111 or p50111)
Note: The values shown refer to the example in the description for parameter U578
4A
6RA7091-6FC00-0 for motors with rated armature voltage 470 V (P101 or p50101)
Voltage setpoint in V (U578 or p51578)
500A
600A
700A
800A
900A
140
190
240
290
340
390
440
0.03
0.04
0.05
0.06
0.07
0.08
0.09
0.1
500A
600A
700A
800A
900A
1000A
1100A
1200A
Untergrenze
Obergrenze
Actual unit rated DC armature current in A (r072i002 or r50072[1])
Armature circuit inductance in mH (P111 or p50111)
380 V
0.22
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