Power Losses; Power Losses Of Afe Modules Without Options, 380-440 - Danfoss iC7 Series Design Manual

Design Guide | iC7 Series Air-cooled System Modules
For INU modules, derating is required when the switching frequency is higher than 3 kHz. The default switching frequency for AFE/
l
GC modules is 4 kHz.
A
[%]
100
95
90
85
80
20 25 30 35
Figure 103: Output Current Derating vs. Ambient Temperature
A
Allowed output current
A
[% ]
100
90
80
70
60
0 500 1000 1500 2000 2500 3000
Figure 104: Output Current Derating vs. Installation Altitude
A
Allowed output current
A
[%]
100
90
80
70
60
50
1 2 3 4 5
Figure 105: Output Current Derating vs. Switching Frequency (INU)
A
Allowed output current

Power Losses

10.8
Power Losses of AFE Modules without Options, 380–440 V
10.8.1
The specifications for the values in the table
Active front-end module
l
138
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B
40 45 50 55 [°C]
B
3500 4000 [m]
B
6 7 8 9 10 [kHz]
B
Ambient temperature
B
Installation altitude, above sea level
B
Switching frequency
AJ389643111587en-000101 / 172F6361A