User Manual
EM100 Mini Inverter
67
Figure 6-7 Forward/Reverse Deadband
No.
Function
Range
Unit
Default
Type
F00.17
Carrier Frequency
2.000
~
12.000
kHz 4.000
●
F00.18
Random Carrier Mode
0: Fixed carrier
1: Random carrier
2: Fixed carrier, which
can be adjusted by
carrier temperature and
carrier current.
3: Random carrier,
which can be adjusted
by carrier temperature
and carrier current.
2
●
F00.19
Upper Carrier
Frequency
2.000
~
12.000
kHz 8.000
●
F00.20
Lower Carrier
Frequency
2.000
~
12.000
kHz 2.000
●
F00.18=0 Fixed carrier
Carrier of inverter is a fixed value set by F00.17.
Increasing carrier frequency can reduce motor noise and heat, but it will increase
temperature of inverter. When the carrier frequency is higher than the default, inverter rated
power shall be decreased by 5% for every additional 1 kHz carrier frequency.
F00.18=1 Random carrier
Inverter carrier will vary with output frequency in linear variation. Upper/Lower carrier
frequencies are under control of F00.19 and F00.20.
F00.18=2 Derating of fixed carrier
Inverter can adjust carrier value based on F00.17, carrier temperature and carrier current.
F00.18=3 Derating of random carrier
Inverter can adjust carrier value based on random carrier, carrier temperature and carrier
current.
Carrier temperature adjustment refers to that inverter can adjust carrier frequency
automatically based on its temperature. Carrier current adjustment refers to that
inverter can adjust carrier frequency based on its current automatically.