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 |
Repairing an AC motor soft starter can be a complex and potentially hazardous task that should be undertaken by a qualified professional with experience in electrical engineering and motor control systems. However, here are some general steps that can be taken:
Identify the problem: Determine what specifically is wrong with the soft starter. Is it not starting at all, or is it starting slowly or intermittently? Is it making strange noises or emitting smoke or odors?
Check the wiring: Make sure all wiring connections are secure and properly connected. Check for any loose or damaged wires or connections, and repair or replace as necessary.
Inspect the control board: Check the control board for any visible damage or signs of wear and tear. Look for any burnt or discolored components, which could indicate a problem with the board.
Test the components: Use a multimeter to test the various components of the soft starter, including capacitors, resistors, and diodes. Replace any components that are faulty or damaged.
Perform a functional test: Once you have made any necessary repairs or replacements, test the soft starter to ensure it is working properly. This may involve running the motor through a series of start and stop cycles while monitoring its performance.
It is important to note that AC motors can be dangerous to work with and should only be repaired by qualified professionals. Always follow appropriate safety procedures and wear appropriate personal protective equipment when working with electrical systems.
