Drive Derating Data; Carrier Frequency Derating - YASKAWA A1000 Series Technical Manual

A.6 Drive Derating Data
A.6 Drive Derating Data
The drive can be operated at above the rated temperature, altitude, and default carrier frequency by derating the drive
capacity.

◆ Carrier Frequency Derating

As the carrier frequency of the drive is increased above the factory default setting, the drive's rated output current must
be derated according to Figure A.1
Figure A.1
Figure A.2
Figure A.3
394
to Figure A.6.
Normal Duty
Heavy Duty
80% of HD
70% of HD
0 2 kHz
Figure A.1 Carrier Frequency Derating (CIMR-A 2A0004 to 2A0138)
Normal Duty
Heavy Duty
80% of HD
0 2 kHz
Figure A.2 Carrier Frequency Derating (CIMR-A 2A0169 to 2A0415)
Normal Duty
Heavy Duty
60% of HD
0 2 kHz
Figure A.3 Carrier Frequency Derating (CIMR-A 4A0002 to 4A0103)
2A0004 to 2A0069
2A0081 to 2A0138
8 kHz 15 kHz
2A0169 to 2A0415
5 kHz 10 kHz
4A0002 to
4A0103
8 kHz 15 kHz
YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 Technical Manual
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