NE200/300 Series Drive User Manual
132 Chapter 6 Parameter description
characteristics of the motor.
F4.07 Torque boost Range: 0.0~30.0%【0.0%】
F4.08 Manual torque boost cutoff
point
Range: 0.00~60.00Hz【50.00Hz】
To compensate the low frequency torque characteristics of V/F control,
it can boost the output voltage when the drive is running at low frequency.
When the torque boost is set to 0.0, the drive will adopt auto torque
boost.
Torque boost cutoff point frequency: Under this frequency, the torque
boost is valid. If it exceeds this frequency point, the torque boost is inactive.
Refer to Fig.6-10 for details.
Fig.6-10 Schematic Diagram for torque boost
Note:
If the torque boost is set to be too large, the motor may be over
heat, and the drive might get over-current fault.
When the drive drives synchronous motor, manual torque boost
function is recommended to be used and V/F curve should be
adjusted according to the motor parameters
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