A.6 Drive Derating Data
The drive can be operated at above rated temperature, altitude and default carrier frequency
by derating the drive capacity.
u
Carrier Frequency Derating
Derate drive capacity using Figure A.1 as the carrier frequency of the drive increases above
the factory setting.
ND
10 (8)
15
0
HD
2
Drive
Rating
Carrier Frequency (C6-02)
200 V Class:
80% of HD
400 V Class:
60% of HD
Carrier Frequency Derating
Figure A.1 Carrier Frequency Derating
u
Temperature Derating
As the ambient temperature for the drive is increased above the drive specification the drive
should be derated. Additionally parameter L8-35 Installation Method Selection on page 219
should be set according to enclosure type and mounting method as illustrated in Figure A.2.
n
Output Current Derating Due to Ambient Temperature
Set L8-12 and L8-35 according to the installation conditions when the ambient temperature
is above the drive specification or if
drives are side-by-side mounted in a cabinet. The output
current is derated as shown in Figure A.2.
A.6 Drive Derating Data
YASKAWA ELECTRIC TOEP C710606 25D YASKAWA AC Drive J1000 Installation & Start-Up Manual
219
A
Specifications
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