Was sind die Unterschiede und Abweichungen zwischen bürstenlosen Gleichstrommotoren und bürstenbehafteten Gleichstrommotoren?

Brushless DC motors and brushed DC motors are more common types of motors, they are in the structure, principle of operation and application have great differences and differences, specifically in what aspects? Vacuz give you an introduction to it! I hope it can help you!

1. Principle difference

A brushed DC motor generates torque through brushes attached to the armature, which produce a magnetic field on the rotor, while a brushless DC motor, generates torque through AC magnetic poles on the stator windings. As a result, brushless DC motors are smoother and more efficient in operation as they do not have components such as brushes and commutators.

2. Structure difference

The difference in working principle, the permanent magnet in brushless DC motor usually adopts permanent magnet material, while the coil is usually used to provide magnetic field in brushed DC motor. In addition, brushless DC motors also need to install sensors to detect the rotor pole position, which is also one of the differences with brush DC motors.

3. Application Differences

Because brushless DC motors are more complex to control, they tend to be more expensive than brushed DC motors. Brushless DC motors are more commonly used in applications that require high efficiency, high reliability, long life, and high speed. In addition, brushless DC motors can be adjusted to achieve accurate control of speed and torque by adjusting the deflection angle, so they are widely used in drones, robots, electric vehicles, and other fields.

What are the differences and discrepancies between brushless DC motors and brushed DC motors? The above has done a simple analysis, I hope these tips can help you!

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