EN
Soft start motor control panel Water pump soft starter control cabinet
Description
When the engine starts, the soft start cabinet controls the generator voltage and current to gradually increase, thereby reducing the starting current impact and avoiding excessive impact on the power grid and the motor itself. The start cabinet can not only achieve soft start, but also soft stop. When the engine stops, the soft start cabinet controls the generator voltage and current to gradually reduce, making the equipment stop process smoother. The smooth operation of the switch is conducive to improving the quality of electricity and saving energy.
The customer used this soft start cabinet on the flood control pump to improve the flood control capability. It is a great honor that Guozhiyun has solved the problem of power being deeply troubled by floods for the customer. This type of soft start control cabinet is not only used for flood drainage, but also for water supply, sewage treatment, exhaust and other system control.
In depth exploration of various aspects of motor soft start control cabinets：
• Working principle: The soft start control cabinet improves the quality of electricity consumption by reducing the starting current and avoiding the impact of excessive current on the power grid. When the motor starts, the soft starter slowly adds current and voltage to the motor to avoid instantaneous high current impact when the motor starts. Once the motor reaches its rated speed, the control cabinet will automatically restore the current and voltage to normal operation.
• Technical performance: The power supply voltage of the soft start control cabinet is usually AC380V, 50Hzz, and the control object is not more than 320 kilowatts of three-phase asynchronous motors. It can work reliably under the conditions of an altitude of no more than 1000 meters, an ambient temperature of no more than 45℃, and no less than -30℃.
• Protection function: The soft start control cabinet has an overload protection function, which detects the change of motor current at any time to achieve overload protection. At the same time, it also has a phase loss protection function, which detects the change of three-phase line current at any time and responds to phase loss protection. The overheat protection function is also one of its important features. The temperature of the thyristor radiator is detected through the internal thermal relay. Once the radiator temperature exceeds the allowable value, the thyristor is automatically shut down and an alarm signal is issued.
• Classification: According to the voltage, it can be divided into low-voltage soft start cabinet and high-voltage soft start cabinet; according to the load, it can be divided into fan soft start cabinet, water pump soft start cabinet, etc. According to different load control methods, it can also be divided into one-to-one soft start cabinet, one-to-multiple soft start cabinet, one-use and one-standby soft start cabinet, two-use and one-standby soft start cabinet, etc.
