SHENZHEN INVT ELECTRIC CO., LTD. CHV160 Operation Manual
49
cut-off
Output Voltage (V)
Output Frequency f
Figure 6-7 Manual torque boost diagram
Function
Code
Name
Description
setting range
Default
Value
P4.03
V/F frequency point 1
0.00Hz
P4.05
0.00
P4.05
5.00Hz
P4.04
V/F voltage point 1
0.0%
100.0%
0.0
100.0
10.0%
P4.05
V/F frequency point 2
P4.03
P4.07
P4.03
P4.07 30.00Hz
P4.06
V/F voltage point 2
0.0%
100.0%
0.0
100.0
60.0%
P4.07
V/F frequency point 3
P4.05
P2.01
P4.05
P2.01 50.00Hz
P4.08
V/F voltage point 3
0.0%
100.0%
0.0
100.0
100.0%
The six P4.03-P4.08 parameters define the multi-section V/F curve.
V/F curve setting values are generally set according to the motor’s loading performance.
Note: V1
V2
V3, and f1
f2
f3. A too high low-frequency voltage setting may cause
motor overheated and even burn, and the inverter might occur over-current stall or
over-current protection.
Figure 6-8 V/F curve setting diagram
Function
Code
Name
Description
setting
range
Default
Value
P4.09
V/F slip compensation range
0.00
10.00Hz
0.00
10.00
0.0Hz
Setting this parameter can compensate the motor speed change produced because of
undertaking loading while on V/F control, to increase the rigidity of motor mechanical
