Yaskawa AC Drive Z1000 - Manual (Page 276)

A.4 Drive Derating Data
The drive can be operated at above the rated temperature, altitude, and default carrier frequency by derating the drive capacity.
u Carrier Frequency Derating
Derate the drive according to Figure A.1 to Figure A.5 as the carrier frequency increases above the factory default setting.
12.5 kHz 5 kHz
100%
60%
0
Figure A.1 Carrier Frequency Derating (2A0011 to 2A0114 and 4A0005 to 4A0096)
8 kHz 5 kHz
100%
80%
10 kHz 0
Figure A.2 Carrier Frequency Derating (2A0143 to 2A0273 and 4A0124 to 4A0180)
4kHz
100%
60%
10kHz 0
Figure A.3 Carrier Frequency Derating (4A0240 and 4A0302)
A.4 Drive Derating Data
276 YASKAWA ELECTRIC TOEP C710616 45E YASKAWA AC Drive – Z1000 User Manual