Temperature Derating Information
3.3 Temperature Derating Information
•
Load current according to parameter [Carrier frequency].
CAUTION:
1) The above graph is applied when drive is in use within the permissible ambient
temperature. If the unit is installed in a panel, install it where heat dissipation is properly
made to keep the panel ambient temp within the permissible range.
2) This derating curve is based on drive rated current when the rated motor for the drive is
connected.
22
3 - RECEIVING AND INSTALLATION
1kHz
15kHz
Output
current
100%
Carrier frequency
Changing Carrier Freq. at temperature rise
(Default)
1kHz 15kHz
Output
current
100%
Carrier frequency
76%
3kHz
Using fixed Carrier Frequency
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