Item | Specifiation |
Model type | Veikong VFD530 series |
Suitable Motor for | Asynchronous and synchronous |
Applications | Crane hoist and high precision control machines |
Control | Control mode | V/f control Sensorless flux vector controlwithout PG card(SVC)
Sensor speed flux vector control with PG card (VC) |
Operating mode | Speed control,Torque control(SVC and VC) |
Speed range | 1:100 (V/f) 1:200( SVC) 1:1000 (VC) |
Speed control accuracy | ±0.5% (V/f) ±0.2% (SVC) ±0.02% (VC) |
Speed response | 5Hz(V/f) 20Hz(SVC) 50Hz(VC) |
frequency range | 0.00~600.00Hz(V/f) 0.00~200.00Hz(SVC) 0.00~400.00Hz(VC) |
Input frequency resolution | Digital setting: 0.01 Hz Analog setting: maximum frequency x 0.1% |
Startup torque | 150%/0.5Hz(V/f) 180%/0Hz(VC) |
Torque control accuracy | SVC:within 5Hz10%,above 5Hz5% VC:3.0% |
V/f curve | V / f curve type: straight line, multipoint, power function, V / f
separation; Torque boost support: Automatic torque boost (factory
setting), manual torque boost |
Frequency giving ramp | Support linear and S curve acceleration and deceleration; 4 groups
of acceleration and deceleration time, setting range 0.00s ~ 60000s |
DC bus voltage control | VdcMax Control: Limit the amount of power generated by the motor by
adjusting the output frequency to avoid over-voltage trip; VdcMin
control: Control the power consumption of the motor by adjusting
the output frequency, to avoid jump undervoltage fault |
Carrier frequency | 1kHz~12kHz(Varies depending on the type) |
Startup method | Direct start (can be superimposed DC brake); speed tracking start |
Stop method | Deceleration stop (can be superimposed DC braking); free to stop |
Main control function | Jog control, droop control, up to 16-speed operation, dangerous
speed avoidance, swing frequency operation, acceleration and
deceleration time switching, VF separation, over excitation
braking, process PID control, sleep and wake-up function, built-in
simple PLC logic, virtual Input and output terminals, built-in
delay relay, built-in comparison unit and logic unit, parameter
backup and recovery, perfect fault record, fault reset, two groups
of motor parameters freely switch, software swap output wiring,
terminals UP / DOWN |