NE200/300 Series Drive User Manual
Chapter 6 Parameter description 123
F3.04 Speed loop integral time 2 Range: 1~3000【200】
F3.05 Switching frequency 2 Range: 0.0～60.00Hz【10.00Hz】
F3.00 and F3.01 are PI adjustment parameters when the running
frequency is lower than switching frequency 1 (F3.02). F3.03 and F3.04 are
PI adjustment parameters when the running frequency is higher than
switching frequency 2. PI parameter of frequency range between the
switching frequency 1 and switching frequency 2 is the linear conversion
from two groups of PI parameters, as shown in the fig.6-7:
Fig.6-7 Schematic diagram of speed loop PI parameter
The speed dynamic response characteristics of the vector control can be
adjusted by setting the proportional coefficient and integration time of the
speed regulator. Increasing the proportional gain or reducing the integration
time can accelerate the dynamic response of the speed loop. However, if
the proportional gain is too large or the integration time is too short, it will
cause the oscillation of the system.
F3.06 Speed loop filtering time
constant
Range: 0～500ms
【
2ms/
3ms】
This parameter determines the value of speed loop filtering time and
don’t need to be adjusted generally.
F3.07 Current loop proportional Range: 0～6000【3000】
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