Siemens SINAMICS S150 Operating Instructions Manual page 479

Current derating as a function of the pulse frequency
When the pulse frequency is increased, the derating factor of the output current must be
taken into account. This derating factor must be applied to the currents specified in the
technical specifications for the cabinet units.
Table 12-7 Derating factor of the output current as a function of the pulse frequency for devices with a rated pulse
frequency of 2 kHz
Order no.
6SL3710-...
7LE32-1AA0
7LE32-6AA0
7LE33-1AA0
7LE33-8AA0
7LE35-0AA0
Table 12-8 Derating factor of the output current as a function of the pulse frequency for units with a rated pulse frequency
of 1.25 kHz
Order no.
6SL3710-...
7LE36-1AA0
7LE37-5AA0
7LE38-4AA0
7LE41-0AA0
7LE41-2AA0
7LE41-4AA0
7LH28-5AA0
7LH31-0AA0
7LH31-2AA0
7LH31-5AA0
7LH31-8AA0
7LH32-2AA0
7LH32-6AA0
7LH33-3AA0
7LH34-1AA0
7LH34-7AA0
7LH35-8AA0
7LH37-4AA0
7LH38-1AA0
7LH38-8AA0
7LH41-0AA0
7LH41-3AA0
Drive converter cabinet units
Operating Instructions, 07/07, A5E00288214A
Power Output current
[kW]
Supply voltage 380 – 480 V 3 AC
110
132
160
200
250
Power [kW] Output current
at 1.25 kHz [A]
Supply voltage 380 – 480 V 3 AC
315
400
450
560
710
800
Supply voltage 660 – 690 V 3 AC
75
90
110
132
160
200
250
315
400
450
560
710
800
900
1000
1200
at 2 kHz [A]
210
260
310
380
490
605
745
840
985
1260
1405
85
100
120
150
175
215
260
330
410
465
575
735
810
910
1025
1270
Technical specifications
12.2 General technical specifications
Derating factor at 4 kHz
82%
83%
88%
87%
78%
Derating factor Derating factor
at 2.5 kHz
72%
72%
79%
87%
87%
95%
89%
88%
88%
84%
87%
87%
88%
82%
82%
87%
85%
79%
95%
87%
86%
79%
at 5 kHz
60%
60%
55%
60%
60%
60%
60%
60%
60%
55%
60%
60%
60%
55%
55%
55%
50%
55%
55%
55%
50%
40%
479