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.
Assessing the quality of a soft starter involves several factors, including its performance, reliability, durability, and safety. Here are some key considerations to keep in mind when evaluating the quality of a soft starter:
Performance: Check the soft starter's specifications to ensure that it meets the requirements of the application. Verify that the soft starter provides smooth, stepless motor starting and stopping, and that it operates quietly and without excessive heat generation.
Reliability: Look for a soft starter with a proven track record of reliable performance. Consider the manufacturer's reputation and customer reviews to gauge the reliability of the product.
Overall, it is important to do your research and choose a high-quality soft starter that meets the specific requirements of your application.
Durability: Evaluate the soft starter's construction and materials to ensure that it can withstand the rigors of the application. Check for features such as robust enclosures, high-quality components, and protection against dust and moisture.
Safety: Verify that the soft starter meets safety standards such as UL, CSA, or CE. Look for features such as overload protection, short circuit protection, and fault diagnostics to ensure safe operation.
Service and support: Consider the availability of technical support and warranty coverage when selecting a soft starter. Check the manufacturer's customer service and support offerings to ensure that you can get assistance if needed.
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 |
