DZB100 Series
Parameter Settings
F1-71 PWM Frequency Setting
F1-
71
Parameter Name PWM frequency setting
Factory Setting According to Standard
Settings 0000
0001
0002
0003
0004
0005
fc=1.8KHz
fc=3KHz
fc=6KHz
fc=9KHz
fc=12KHz
fc=15KHz
This parameter determines the carrier frequency for the PWM (Pulse Width
Modulation) output.
Carrier frequency
1.8KHz
3KHz
6KHz
9KHz
12KHz
15KHz
Acoustic noise
significant
minimal
Leakage current Heat dissipation
minimal
minimal
significant
significant
Note: For AC drives rated below 7.5 KW (10HP), the output current derating applies above 9 KHz.
For AC drives rated 7.5KW and above, the output current derating applies above 12KHz.
See figure below:
%Output Current A
100
90
80 3
6
9
12 15
Carrier Frequency, KHz
-58-
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