ABB ACS320 series, User Manual

Page: 387 / 442

Technical data 387
Switching frequency derating
Derate according to the switching frequency used (see parameter 2606 SWITCHING
FREQ ) as follows:
I
2N
= continuous output at 40 °C, 0% overload.
Switching
frequency
Drive voltage rating
U
N
= 200…240 V U
N
= 380…480 V
4 kHz No derating No derating
8 kHz Derate I
2N
to 90%. Derate I
2N
to 75% for R0 or to 80% for R1…R4.
12 kHz Derate I
2N
to 80%. Derate I
2N
to 50% for R0 or to 65% for R1…R4
and derate maximum ambient temperature to
30 °C (86 °F).
16 kHz Derate I
2N
to 75%. Derate I
2N
to 50% and derate maximum ambient
temperature to 30 °C (86 °F).