11.5.4
Current derating as a function of the pulse frequency
400 V converters
Frame
size
Rated power
based on LO
(kW)
Output current (A) (at 400 V, 45 °C ambient temperature) for a pulse frequency of
2 kHz
4 kHz
6 kHz
8 kHz
10 kHz
12 kHz
14 kHz
16 kHz
FSA
0.75
2.2
2.2
1.87
1.54
1.32
1.1
0.99
0.88
1.1
3.1
3.1
2.635
2.17
1.86
1.55
1.395
1.24
1.5
4.1
4.1
3.485
2.87
2.46
2.05
1.895
1.64
2.2
5.9
5.9
5.015
4.13
3.54
2.95
2.655
2.36
3
7.7
7.7
6.545
5.39
4.62
3.85
3.465
3.08
FSB
4
10.2
10.2
8.67
7.14
6.12
5.1
4.59
4.08
5.5
13.2
13.2
11.22
9.24
7.92
6.6
5.94
5.28
7.5
18
18
15.3
12.6
10.8
9
8.1
7.2
FSC
11
26
26
22.1
18.2
15.6
13
11.7
10.4
15
32
32
27.2
22.4
19
18
14.4
12.8
FSD
18.5
38
38
32.3
26.6
22.8
19
17.1
15.2
22
45
45
38.2
31.5
27
22.5
20.2
18
30
60
60
51
42
36
30
27
24
37
75
75
63.7
52.5
45
37.5
33.7
30
FSE
45
90
90
76.5
63
54
45
40.5
36
55
110
110
93.5
77
66
55
49.5
44
FSF
75
145
145
123.2
101.5
87
72.5
65.2
58
90
178
178
151
124.6
107
89
80.1
71.2
110
205
143.5
103
82
--
--
--
--
132
250
175
125
100
--
--
--
--
FSG
160
302
211.4
151
121
--
--
--
--
200
370
259
185
148
--
--
--
--
250
477
334
239
191
--
--
--
--
FSH
315
585
468
1)
--
--
--
--
--
--
355
655
524
1)
--
--
--
--
--
--
400
735
588
1)
--
--
--
--
--
--
FSJ
450
840
672
1)
--
--
--
--
--
--
500
910
728
1)
--
--
--
--
--
--
560
1021
817
1)
--
--
--
--
--
--
The rated output currents in bold refer to the default pulse frequency at 45 °C ambient temperature.
1)
In the factory setting, the converter starts with a pulse frequency of 4 kHz and reduces automatically the pulse frequency to
the associated required frequencies when loaded. When the load decreases, the pulse frequency is increased automatically
up to 4 kHz.
Technical data
11.5 Derating data
SINAMICS G120X converter
1096
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
