What are the common advantages and disadvantages of brushless DC motors

In a brushless DC motor, the motor stator is the coil or winding, and the rotor, as a permanent magnet, is the magnet. Through the position of the rotor, the microcontroller is used to control the energization of each coil so that the magnetic field generated by the coil constantly changes, thus constantly influencing the rotor in front and making the rotor rotate, which is the rotational working principle of the brushless DC motor.

Advantages of brushless DC motors.

1. higher speed of brushless DC motor than brushed DC motor (maximum speed of 100,000 rpm is higher than 10,000 rpm)

2. longer service life (over 10,000 hours).

3. greater reliability and efficiency.

4. No wearing parts except bearings, and less maintenance operations.

In practice, brushless DC motors can run at high speeds for applications requiring high speeds, such as hair dryers, electric toothbrushes, wall breakers, fans, grinders or power tools. Brushless DC motors are systematically equipped with drivers, encoders and sensors that provide feedback of information and data such as speed and torque for accurate control. They are often used in medical devices, aerospace equipment, servo robots, new energy vehicles and other precision products.

Disadvantages of brushless DC motors.

1. higher initial cost: each brushless DC motor requires an electronic commutation driver, which is costly compared to brushed motors.

2. Brushless DC motors usually require gear reducers in drive applications.

These are the common advantages and disadvantages of brushless DC motors, the correct mastery of brushless motor-related knowledge, you can quickly understand its function, to provide me with greater help!

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