Reduce the starting current of the motor, reduce the di-stribution capacity, and avoid investment in capacity ex-pansion;
Reduce starting stress and extend the service life of motors and related equipment;
Smooth start and soft stop avoid the surge problem and water hammer effect of traditional starting equipment;
A variety of starting modes and a wide range of current and voltage settings, can adapt to a variety of load occ-asions, improve the process;
Improve the reliable protection function, more effective-ly protect the safety of the motor and related equipment;
Can be used for frequent start and stop The occasion.
In the trend of advocating smart and simple industrial automation, environmentally friendly products, value-added solutions, K-Drive, as one of the world's leading drive manufacturers aggressively investing in R&D, production, and continuous quality improvement, is well positioned to provide its customers with technology-driven, performance-outstanding products such as VFDs, wind power converters, servo drives, HEV/EV drives, helping its customers save energy and increase industrial productivity with sustainability on the one hand, and enhancing their entire value-chain quality, delivery, and services on the other hand.
In production, rigorous quality control is implemented on components, circuit boards, and the finished goods, assuring products without defects.
| 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 |
Determining the cause of a soft starter error in an AC motor will depend on the specific error message or symptoms that are being displayed. However, here are some general steps you can take to troubleshoot the issue:
Check the power supply: Make sure that the soft starter is receiving the correct voltage and frequency. If the voltage is too low or too high, it can cause issues with the soft starter.
Check the wiring: Ensure that all wiring connections are secure and correctly wired. A loose or incorrect connection can cause errors in the soft starter.
Check the motor: Verify that the motor is functioning correctly and not overloaded. An overloaded motor can cause the soft starter to trip.
Check the soft starter parameters: Verify that the soft starter parameters are set correctly for the motor being used. Incorrect parameters can cause issues with the soft starter.
Check for faults: Most soft starters have built-in fault detection systems. Check the fault codes to determine the cause of the error.
Contact technical support: If the above steps do not solve the issue, contact the manufacturer's technical support for assistance.
In general, troubleshooting a soft starter error can be a complex process. It is important to have a good understanding of the system and its components, as well as the specific error codes and symptoms being displayed.
