Low cost 125 hp (90 kW) VFD for induction motor speed controls, three phase 220V, 415V, 480V energy saving variable frequency drive, direct sale by manufacturer in wholesale price.
Delivery date: 6 - 12 Days
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$4,298.00
$3,741.60
125 hp heavy duty variable frequency drive, three phase 220V, 415V, 480V for selection.
Specification:
| Basics |
Model |
GK3000-4T0900G |
| Capacity |
125 hp (90 kW) |
| Shipping weight |
50 kg |
| Dimension |
618*398*306 mm |
| I/O Feature |
Rated current |
176 A |
| Input voltage |
3 phase 220V /415V /480V AC ±15% (Optional) |
| Input frequency |
50Hz/ 60Hz |
| Output voltage |
3 phase AC 0~input voltage |
| Output frequency |
0.00~400.00Hz |
| Over load capacity |
150% of rated current for 1 minute, 180% of rated current for 3 seconds |
| Control Feature |
Control mode |
V/F control;
Sensorless vector control; |
| Communication |
RS485 |
| Speed regulation |
1:100 |
| Start torque |
150% of rating torque at 1 Hz |
| Speed control accuracy |
≤±0.5% of rating synchronous speed |
| Frequency precision |
Digital setting: max frequency x± 0.01%;
Analog setting: max frequency x± 0.2% |
| Frequency resolution |
Analog setting: 0.1% of max frequency;
Digital setting: 0.01Hz |
| Torque boost |
Automatic torque boost, manual torque boost 0.1%~30.0% |
| Interior PID controller |
Be convenient to make closed-loop system |
| Automatic energy save running |
Optimize V/F curve automatically based on the load to realize power save running |
| Automatic voltage regulation (AVR) |
Can keep constant output voltage when power source voltage varies. |
| Automatic current limiting |
Limit running current automatically to avoid frequent over-current which will cause trip |
| Environment |
Enclosure rating |
IP 20 |
| Temperature |
–10℃~ +40℃; VFD will be derated if ambient temperature exceed 40℃; each rise 1℃, the derate will be 5% |
| Humidity |
5%-95%, without condensation |
| Altitude |
≤1000m; VFD will be derated if above 1000m |
| Impingement and oscillation |
Normal running:<5.9m/s2 (0.6g); Transportation:<15m/s2 (1.5g) |
| Store environment |
–20℃~ +60℃; no dust, no corrosive gas, no direct sunlight |
Tips: Using VFD to improve motor efficiency
The induction motor system will be more efficient on a variable frequency drive (VFD) than a soft starter. If you have a 6-pulse VFD the inefficient motor will look like 98.5% efficient, on an 18-pulse VFD it will look like 96.5% efficient. The DC bus of the VFD can supply the VARs to the load making it look all the more efficient. VFDs are great for making poor power factor motors look better but really do not make sense if you just run at 100% speed due to you will have the conversion losses.
