Technical Parameters
K-Drive VS Other brands
| 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 |
VFD Knowledge
1. How should a frequency inverter be installed and configured?
A frequency inverter should be installed and configured according to the manufacturer's instructions, with appropriate wiring, grounding, and protection measures. The parameters of the inverter should be set according to the requirements of the application and the motor.
2. How can a frequency inverter be maintained and serviced?
A frequency inverter should be maintained and serviced according to the manufacturer's recommendations, with regular checks and tests of the electrical and mechanical components, as well as the parameters and performance of the inverter. Any faults or errors should be diagnosed and repaired promptly.
3. What are some common problems with frequency inverters?
Common problems with frequency inverters include overvoltage or undervoltage faults, overcurrent or overload faults, overtemperature faults, communication errors, and parameter settings errors. These problems can often be resolved by adjusting the parameters or replacing faulty components.
