V5 series inverter
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Fig. 4－2 Characteristic parameter
FH(highest frequency), FL(lowest frequency) are defined by P0.19 and P0.20 .
P0.09 Torque boost Range: 0.0%~30.0% 2.0%
Improve inverter low frequency torque characteristics, boost-compensate the output voltage.
(a) Torque boost of constant torque curve
（b）Torque boost of square torque curve
Fig. 4—3 Torque boost
P0.10 Cutoff frequency of torque boost Range: 0.00Hz~Basic running frequency 25.00Hz
This function defines the cut-off frequency of torque boost, as shown in Fig. 4-3 Fz. Then cut-off frequency is suitable for
any V/F curve defined by P0.02.
P0.11 Torque boost mode Range: 0, 1 0
0: Manual torque boost
Torque boost voltage is defined by parameter P0.09. The boost voltage is fixed while motor will be easily magnetism satu-
ration with light load.
1: Auto torque boost
Torque boost voltage will change with the motor stator’s current changes. The bigger the stator is, the higher the boost vol-
tage.
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