FR200 Series Vector control inverter
- 107 -
0
F1
F2
F3
F4
V1
V2
V3
V4
Output voltage (V)
Rated voltage of motor
Output frequency
（
Hz)
Rated frequency of motor
Fig. 6-19
ATTENTION:
The multi-point V/F curve is set based on the motor's load characteristic. The relationship
between voltages and frequencies is:V1≤V2≤V3≤V4
，
F1≤F2≤F3≤F4.At low frequency, higher voltage
may cause overheat or even burnt out of the motor and overcurrent stall or overcurrent protection of
the AC drive.
F09.11
V/F slip compensation gain
Range:0.0
～
300.0%
Default: 0.0%
This parameter is valid only for the asynchronous motor.
It can compensate the rotational speed slip of the asynchronous motor when the load of the motor
increases, stabilizing the motor speed in case of load change.
F09.12
Stator voltagedrop
compensation gain
Range:0.0
～
200.0%
Default:100.0%
Stator voltagedrop compensation is to compensate voltagedrop produced by stator resistance
and connecting cable.
F09.13
Excitation boost gain
Range:0.0
～
200.0%
Default:100.0%
F09.14
Oscillation Suppression
Range:0.0
～
300.0%
Default: Model
defined
Set this parameter to a value as small as possible in the prerequisite of efficient oscillation
suppression to avoid influence on V/F control.Set this parameter to 0 if the motor has no oscillation.
Increase the value properly only when the motor has obvious oscillation. The larger the value is, the
better the oscillation suppression result will be.
When the oscillation suppression function is enabled, the rated motor current and no-load current
must be correct. Otherwise, the V/F oscillation suppression effect will not be satisfactory.
F09.15
Voltage source for V/F separation
Range:0
～
7
Default: 0
F09.16
Voltage digital setting for V/F
separation
Range:0.0
～
100.0%
Default:0.0%
V/F separation is generally applicable to scenarios such as induction heating, inverse power
supply and motor torque control.If V/F separated control is enabled, the output voltage can be set in
F09.15 or by means of analog, multi-reference, simple PLC, PID or communication. If you set the
output voltage by means of non-digital setting, 100% of the setting corresponds to the rated motor
voltage. If a negative percentage is set, its absolute value is used as the effective value.
0: Digital setting (F09.16)
1: Keypad potentiometer
2: AI1
3: Multi-reference
4: Pulse setting (DI7/HI)
5: PID
6: AI2
7: AI3
F09.17
Voltage rise time of V/F
separation
Range:0.0
～
6000.0s
Default:0.1s
