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E6580757
E-18
5
5.13 Manual torque boost
-
increasing torque at low
speeds
: Torque boost 1
• Function
If torque is inadequate at low speeds, increase torque by raising the torque boost rate with this parame-
ter.
Base frequency voltage
Base frequency
Output frequency (Hz)
Output voltage
[
V
]
/
(
%
)
[Parameters]
Title Function Adjustment range Default setting
Torque boost 1
0 ∼ 30 (%)
According to model
(See section 11)
★ Valid for the standard default setting, = 0 (V/F constant) and 1 (variable torque).
Note 1: The optimum value is programmed for each inverter capacity. Be careful not to increase the torque boost
rate too much because it could cause an overcurrent trip at startup. If you are going to change the set
values, keep them within ±2% of the standard default values.
5.14 Setting the electronic thermal
: Electronic thermal protection characteristic selection
: Motor electronic thermal protection level 1
• Function
Selects the electronic thermal protection characteristics that fit with the ratings and characteristics of the
motor. This is the same parameter as the extended parameter . The set values will be the same
no matter which one is changed.