INVT Goodrive20-EU VFD Series Operation Manual page 57

Goodrive20-EU series VFD
Function
Name
code
P04.01 Torque boost Torque boost to the output voltage for the
Torque boost
P04.02
end
Detailed instruction of parameters
5: Customized V/F (V/F separation); in this
mode, V can be separated from f and f can be
adjusted through the frequency given channel
set by P00.06 or the voltage given channel set by
P04.27 to change the feature of the curve.
Note: V in the below picture is the motor rated
b
voltage and f is the motor rated frequency.
b
Output voltage
Linear type
Square type
features of low frequency torque. P04.01 is for
the max. output voltage V
P04.02 defines the percentage of closing
frequency of manual torque to f
Torque boost should be selected according to
the load. The bigger the load is, the bigger the
torque is. Too big torque boost is inappropriate
because the motor will run with over magnetic,
and the current of the VFD will increase to add
the temperature of the VFD and decrease the
efficiency.
When the torque boost is set to 0.0%, the VFD is
automatic torque boost.
Torque boost threshold: below this frequency
point, the torque boost is valid, but over this
frequency point, the torque boost is invalid.
Output voltage
v
b
v
boost
Setting range of P04.01: 0.0%: (automatic) 0.1%
Torque step-down V/F curve (1.3 order)
Torque step-down V/F curve (1.7 order)
Torque step-down V/F curve (2.0 order)
Output frequency
.
b
.
b
Output
frequency
f
f
Cut-off
53
Function parameters
Default
Modify
value
○
0.0%
○
20.0%