Current Reduction Depending On Pulse Frequency - Siemens SINAMICS G120 Operating Instructions Manual

13.9

Current reduction depending on pulse frequency

Relationship between pulse frequency and output base-load current reduction
Table 13- 9
Rated power
based on LO
The permissible motor cable length depends on the cable type and the chosen pulse frequency.
1
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
Current reduction depending on pulse frequency
Rated output current at pulse frequency of
4 kHz
0.55 kW 1.7 A
0.75 kW 2.2 A
1.1 kW 3.1 A
1.5 kW 4.1 A
2.2 kW 5.6 A
3.0 kW 7.3 A
4.0 kW 8.8 A
5.5 kW 12.5 A
7.5 kW 16.5 A
11.0 kW 25.0 A
15.0 kW 31.0 A
18.5 kW 37.0 A
13.9 Current reduction depending on pulse frequency
6 kHz 8 kHz 10 kHz
1.4 A 1.2 A 1.0 A
1.9 A 1.5 A 1.3 A
2.6 A 2.2 A 1.9 A
3.5 A 2.9 A 2.5 A
4.8 A 3.9 A 3.4 A
6.2 A 5.1 A 4.4 A
7.5 A 6.2 A 5.3 A
10.6 A 8.8 A 7.5 A
14.0 A 11.6 A 9.9 A
21.3 A 17.5 A 15.0 A
26.4 A 21.7 A 18.6 A
31.5 A 25.9 A 22.2 A
Technical data
1
12 kHz 14 kHz
0.9 A 0.8 A
1.1 A 1.0 A
1.6 A 1.4 A
2.1 A 1.8 A
2.8 A 2.5 A
3.7 A 3.3 A
4.4 A 4.0 A
6.3 A 5.6 A
8.3 A 7.4 A
12.5 A 11.3 A
15.5 A 14.0 A
18.5 A 16.7 A
16 kHz
0.7 A
0.9 A
1.2 A
1.6 A
2.2 A
2.9 A
3.5 A
5.0 A
6.6 A
10.0 A
12.4 A
14.8 A
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