Shenzhen K-Easy Electrical Automation Company Limited
Energy efficient, beautiful environment
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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 |
Choosing a suitable soft starter involves several factors that need to be considered. Here are some key factors to keep in mind:
Motor Size and Voltage: The first step in choosing a soft starter is to determine the size and voltage of the motor you want to control. Soft starters come in different sizes and voltage ratings, so you need to ensure that the soft starter you choose is compatible with your motor.
Load Characteristics: The load characteristics of the motor and the application it will be used in are also important considerations. If the load is heavy or has a high inertia, you may need a soft starter with a higher current rating.
Starting Current: You need to consider the starting current required by the motor. A soft starter should be capable of providing the necessary starting current to start the motor and bring it up to the required speed.
Starting Time: The starting time required for the application is another important factor to consider. A soft starter should be able to provide the necessary torque and speed control during the starting period.
Control Features: Soft starters come with different control features, such as torque control, ramp control, and current limit. You need to choose a soft starter with the control features that are suitable for your application.
Environmental Conditions: The environment in which the motor will be operating is also an important consideration. If the environment is harsh, you may need a soft starter that is designed for use in harsh conditions.
Cost: Cost is always a factor when choosing equipment. You need to choose a soft starter that is within your budget and provides the necessary features for your application.
In summary, to choose a suitable soft starter, you need to consider the motor size and voltage, load characteristics, starting current, starting time, control features, environmental conditions, and cost. It is always a good idea to consult with a qualified engineer or vendor to ensure that you choose the right soft starter for your application.
