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Thyristor speed control technology for AC motors
Release time:
2024-04-18
In recent years, the trend of DC brushless motors instead of DC brushed motors. DC brushless motor is to replace the traditional carbon brush commutation with electronic components, which will solve the shortcomings of brushed motor. Because the brushless motor does not have carbon brushes, so the work process noise is very small, which in some hospitals, schools, banks and other quiet places will highlight its advantages, brushless motor because there is no carbon brush work process will not have sparks, which makes the DC brushless motor in some flammable and explosive occasions to show their strengths, there is an even more important is the long service life, because of brush motor brush friction will make the carbon brushes perishable, and the brushless motor life will be longer than the brushless motor, the brushless motor life will be longer than the carbon brush. Brushless motor life will be much longer than the brush motor life, because the brushless motor uses the magnetic field of induction, there is no substantial contact, so it makes the brushless motor faster.
1, the market overview of the motor
In recent years, the trend of DC brushless motors instead of DC brushed motors. DC brushless motor is to replace the traditional carbon brush commutation with electronic components, which will solve the shortcomings of brushed motor. Because the brushless motor does not have carbon brushes, so the work process noise is very small, which in some hospitals, schools, banks and other quiet places will highlight its advantages, brushless motor because there is no carbon brush work process will not have sparks, which makes the DC brushless motor in some flammable and explosive occasions to show their strengths, there is an even more important is the long service life, because of brush motor brush friction will make the carbon brushes perishable, and the brushless motor life will be longer than the brushless motor, the brushless motor life will be longer than the carbon brush. Brushless motor life will be much longer than the brush motor life, because the brushless motor uses the magnetic field of induction, there is no substantial contact, so it makes the brushless motor faster.
2、Market pain points
Brushless DC motor will also have its corresponding shortcomings, brushless DC motor must be equipped with the corresponding DC motor governor to work, which will increase the cost of work, just for the motor commutator will be much higher than the cost of carbon brushes.
3、Aiming at the market demand and pain points, Lihui provides solutions and results
Based on solving the existing motor problems, Lihue designed a SCR motor to fill the market demand. SCR motor is an AC motor that uses a bi-directional SCR switch to control the speed. SCR motor has the same speed control and speed feedback function as brushless DC motor. Relative to DC brushless motor: SCR motor is to control the speed of the motor by controlling a bi-directional SCR off, so the cost of SCR motor is much lower than DC brushless motor; Relative to DC brush motor: SCR motor has the function of speed regulation and speed stabilization, so the cost performance of SCR motor is higher than other motors.
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