394 YASKAWA ELECTRIC SIEP C710616 27C YASKAWA AC Drive A1000 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 to Figure A.6.
Figure A.1
Figure A.1 Carrier Frequency Derating (CIMR-A2A0004 to 2A0138)
Figure A.2
Figure A.2 Carrier Frequency Derating (CIMR-A2A0169 to 2A0415)
Figure A.3
Figure A.3 Carrier Frequency Derating (CIMR-A4A0002 to 4A0103)
Normal Duty
Heavy Duty
80% of HD
70% of HD
2A0004 to 2A0069
2A0081 to 2A0138
2 kHz 8 kHz 15 kHz0