F0-14
Frequency lower limit Factory default value 0. 00Hz
Setup range 0.00Hz to frequency upper limit F0-12
The inverter starts from the start frequency. If the reference frequency is lower than frequency
lower limit during the running process, the inverter will keep running under frequency lower limit
until it stops or the reference frequency is higher than the frequency lower limit.
F0-15
Carrier frequency Factory default value Model dependent
Setup range 0.5kHz~16.0kHz
This function is used to adjust the carrier frequency of the inverter. By adjusting the carrier
frequency, the motor noise can be reduced, and the resonance of the mechanical system can
be avoided, so that the leakage current to the earth and the interference of the inverter can be
reduced.
When the carrier frequency is low, the output current higher harmonic component will increase,
the motor loss will increase, and the motor temperature rise will also increase.
When the carrier frequency is high, the motor loss is reduced, and the motor temperature is
decreased, but the inverter loss and temperature rise will increase and so will the interference.
The adjustment of carrier frequency will have inuences on the following performances:
Carrier frequency Low to high
Motor noise high to low
Output current waveform poor to good
Motor temperature rise high to low
inverter temperature rise Low to high
Leakage current low to high
External radiation
interference
low to high
Its reference value is F0-12. The addition of offset frequency and analog setup value of
frequency upper limit is used as the nal setup value of frequency upper limit.
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