The difference between high-power servo DC motor and servo AC motor
Release time:
2020-10-19 11:12
Source:
What is the difference between a servo DC motor and a servo AC motor? Because ifservo ac motorFor high power, the corresponding motor also uses high voltage, andServo DC motorEven high power can use low voltage. Therefore,High powerServoDC motorAlso known as low-voltage servo motor.
high power servoThe advantages of DC motors are: small size, light weight, large output, fast response speed, fast speed, low inertia, stable rotation, and stable torque. It is easy to realize intelligence, and its electronic commutation method is flexible, which can be square wave commutation or sine wave commutation. The motor is maintenance-free and has no carbon brush loss. It has high efficiency, low operating temperature, low noise, low electromagnetic radiation, long life, and can be used in various environments. It can be applied to spark machine, robot, precision machine and so on. At the same time, it can be equipped with gear box, which enables mechanical equipment to bring reliable accuracy and high torque.
Althoughservo ac motorThe power range is large, but the power can be large, the inertia is large, the maximum speed is low, and as the power increases, the speed will drop at a uniform speed, which is suitable for low speed and stable operation. However, the disadvantage of AC servo motors is that the control is more complicated, and the drive parameters need to be adjusted on site to determinePID parameters, and more connections are needed to support its operation.
high power servoDC motors can be used for low-voltage equipment, which is very convenient for the use of low-voltage equipment, so it is more and more popular than AC servo motors.
high power servoDC motors are used in a variety of digital control systems and power drives that require precise control of constant speed or precise control of variable speed profiles. Because the DC servo motor has a series of advantages such as simple structure, reliable operation, convenient maintenance of AC motor, and the DC motor has high operating efficiency, no excitation loss, and good speed regulation performance, it is widely used in various fields of DC motors. Applications in the national economy, such as medical equipment, instrumentation, chemical industry, textiles and household appliances are becoming more and more popular.
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