VFD: Specifications
| Input phase frequency |
Three phase, 50/60Hz |
| Input frequency/voltage fluctuation |
± 10% |
| Input power factor |
> 0.95 (at more than 20% load) |
| Output voltage range |
3kV ~ 11kV |
| Output current range |
25 A ~ 600 A |
| VFD capacity |
280 kW ~ 8000 kW |
| Overload capacity |
120% of rated current for 60 seconds per 10minutes; 150% of rated current for 3s; 200% iinstantaneous |
| Output frequency |
0.5 ~ 120Hz |
| Efficiency |
≥ 96% (including phase-shifting transformer) |
| Frequency resolution |
0.01Hz |
| Control mode |
V/F control; Vector control |
| Acceleration/deceleration time |
0 ~ 3200s, Adjustable |
| Digital I/O |
5/5 channels digital inputs/outputs; extendable |
| Communication protocols |
RS485, Modbus, Profibus, TCP/IP, DeviceNet, GPRS wireless transmission |
| Auxiliary power supply |
Single phase 110 VAC, 220 VAC, 230 VAC; or 220 VDC Capacity: 3kVA |
| PID function |
Embedded PID regulator |
| Control function |
Auto re-start after recovery of supply voltage; Torque booster; Frequency-skip; Self-diagnosis; Fly-start; Synchronous transfer (optional); Cell bypass (optional) |
| Operation mode |
Local/Remote; Open loop/closed loop |
| Frequency setting |
Via user interface or via analog inputs |
| Status output of VFD |
Analog output and digital output |
| Altitude |
Below 1000m. |
| Environment |
Suitable for indoor installation away from corrosive/explosive gas, dust-free enivroments |
| Operating temperature |
0 ~ 45 °C |
| Storage temperature |
-40 ~ 70 °C |
| Humidity |
0 ~ 90%, no condensing |
| Storage condition |
-25 ~ 55 °C |
| Protection |
Overcurrent, Short circuit, Earth fault, Overvoltage, Low voltage, Overload, Overheat, Phase loss. |
| IP Rating |
IP20, IP21, IP31, IP41 |
| Cooling |
Air cooling/Heat exchanger cooling |
| Standards |
IEC61800-4:2002 Q/CP BLH003-2007 |
| Harmonics |
Compliant with IEEE 519 |
| Size (w x h x d)* |
3300 ~ 10600 mm × 2480 mm × 1200 mm |
| Weight* |
3000 ~ 5000 kg |
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| Output frequency resolution |
0.01Hz |
| Overload endurance |
120% of rated current for 1 minute; 150% immediately |
| Analog input |
Four channels, 0~10 V/ 4~20 mA, more channels available |
| Analog output |
Two channels, 0~10 V/ 4~20 mA, more channels available |
| Acceleration/ deceleration time |
0.1 to 3000 s, adjustable (load dependent) |
* Actual size and weight will differ according to customer requirements
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