Shenzhen Veikong Electric Co., Ltd.
Shenzhen Veikong Electric Co., Ltd.
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220v/ 380v 0.75kw-710kw vfd ac drive Inverter with LCD keypad
Strong R&D Power
Board design: ECAD design platform-Mentor, Network design constraint Netclass(set network width and distance)
Shematic diagram interdesign with PCB to a perfect extent with complete serious checking function
Power module design platform-heat model design
Power Electronics design-IGBT Pulse Test
Software design: powerful function:Simulink-MotorConrol simulation platform
| Item | Specifiation | |
| Input | Inuput Voltage | 1phase/3phase 220V:200V～240V 3 phase 380V-480V:380V～480V |
|
| Allowed Voltage fluctuation range | -15%～10% |
|
| Input frequency | 50Hz / 60Hz,fluctuation less than 5% |
| Output | Output Voltage | 3phase:0～input voltage |
|
| Overload capacity | General purpose application:60S for 150% of the rated current Light load application:60S for 120% of the rated current |
| Control | Control mode | V/f control Sensorless flux vector control without 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%/0.25Hz(SVC) 200%/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 | Overvoltage stall control: limit the power generation of the motor by adjusting the output frequency to avoid skipping the voltage fault;
Undervoltage stall control: control the power consumption of the motor by adjusting the output frequency to avoid yaw failure
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 |
Replace famous brands vfd in general application.
VEIKONG big power VFD250KW VFD355KW project