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The difference between three-phase asynchronous motor and permanent magnet DC motor

更新:16-07-2020
摘要:

What is the difference between a permanent magnet DC mo […]

What is the difference between a permanent magnet DC motor and a three-phase asynchronous motor.There are many types of motors, so we must understand the difference between the types. This is very important, as you know Do permanent magnet DC motors and three-phase asynchronous motors? What is the difference between them? This is our topic today, to understand the difference between permanent magnet DC motors and three-phase asynchronous motors.

 

Permanent magnet DC motors can easily control the torque and speed, but it is more difficult for three-phase asynchronous motors, but in recent years, with the continuous development of AC motor speed control technology, such as direct torque control technology and vector control technology The application of the three-phase asynchronous motor can make the speed regulation performance meet the demand in the occasions where the requirements are not too high, instead of the DC motor, but the permanent magnet DC motor is still used in the occasions where the speed and torque are strict, but compared to the three For the phase asynchronous motor, the manufacturing cost of the permanent magnet DC motor is high and the structure is complicated.

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