E6581611
F-24
6
6.4 Manual torque boost - increasing torque boost at low
speeds
vb : Torque boost value 1
Function
If torque is inadequate at low speeds, increase torque by raising the torque boost rate with this
parameter.
Output voltage
[V]/(%)
Base frequency voltage
Output frequency (Hz)
Base frequency
[Parameter setting]
Title Function Adjustment range Default setting
Torque boost value 1 0.0 - 30.0 (%)
According to model
(Refer to section 11.4)
● Valid when is set to 0 (V/F constant), 1 (Variable torque), or 7 (V/F 5-point setting).
Note 1: The optimum value is programmed for each inverter capacity by default setting. Be careful not to increase
the torque boost rate too much because it could cause an overcurrent trip at startup.
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