220V 0.75KW 1.5KW Three Input Three Output Variable Frequency Inverters
Why K-DRIVE
| Performance | Common brands | K-Drive |
|---|---|---|
| Applicable motors | Asynchronous motors | Asynchronous /synchronous motors |
| Starting torque | 2.0Hz, 150% (sensor-less vector control) 0Hz, 180% (closed-loop vector control) | 0.5Hz, 180% (sensor-less vector control) 0Hz, 200% (closed-loop vector control) |
| Speed adjustable range | 1:100 (SVC), 1:1000 (VC) | 1:200 (SVC), 1:1000 (VC) |
| Ambient temperature (no derating required) | -10-40ºC | -10-50ºC (for most of the models) |
| Rated input voltage | 208VAC-400VAC | 208VAC-480VAC |
| Communication | Modbus RTU//ASCII | Modbus RTU//ASCII Profibus-DP, CANopen, etc. |
| Position control (fixed length, or angular positioning) | × | √ |
| Field weakening control | × | √ |
| Autotune online | Online | Online & Offline |
| Short-time ramp-up | Trip | No trip |
| Customized features (software and/or hardware) | Unprocurable or no experience | Procurable with rich experience |
VFDs (Variable Frequency Drives) are used to control the speed and torque of AC electric motors. Proper maintenance of VFDs is important for their longevity and performance. Here are some steps you can take to maintain your VFD:
Keep it clean: Regularly clean the VFD and the surrounding area to prevent dust and debris from entering the unit.
Check for loose connections: Inspect the connections to ensure they are tight and secure. Loose connections can lead to overheating and damage to the VFD.
Check for overheating: Use a temperature gun to check for any hot spots on the VFD. Overheating can be caused by excessive dust buildup, loose connections, or other issues.
Check for proper ventilation: Make sure that the VFD is properly ventilated to prevent overheating. Ensure that the ventilation fans are clean and operational.
Check the power supply: Ensure that the power supply voltage and frequency are within the specified range. An improper power supply can cause damage to the VFD.
Check the capacitors: Inspect the capacitors for any signs of bulging or leaking. Faulty capacitors can cause damage to the VFD.
Regularly check for errors: Check the VFD display for any error messages or fault codes. Address any issues promptly to prevent further damage.
Follow the manufacturer's recommendations: Follow the manufacturer's recommended maintenance schedule and procedures to ensure proper operation of the VFD.
By following these steps, you can ensure that your VFD remains in good working condition and performs optimally.
