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Bearing noise of motor – Can replacing bearings solve the problem? Bearing is the main components of DC brushless motor, DC brushed motor, AC brushless motor, AC brushed motor and cooling fan.   Bearing noise is the most common problem that confuses electrical engineers and users.   Be...

What is the life time of the brushless DC motor related to?   The lifetime of the brushless DC motor is associated with factors such as insulation degradation or friction of the sliding part, dysfunction of the bearing etc., which mostly depended on the bearing state.The basic influencing fa...

Introduction about Brushed motor vs Brushless Motor Small Brushed DC Motor: 1. When the small brushed DC motor works, the winding coil and commutator rotate. The magnetic steel (i.e., the permanent magnet) and the carbon brush (i.e., the two contacts that provide direct current) do not rotate.The...

Permanent magnet synchronous motor, and induction motor (that is, induction motor) is a common ac motor.The permanent magnet synchronous motor is the heart of the power system. It is a component integrating rotation and static, electromagnetic change and mechanical movement to realize the transfo...

The brushed DC electric motor has a long history, more than 100 years. The brushless DC electric motor has only around 40 years history.   Brushed DC  motor: brushed DC motor is a rotating motor with a brush device that converts electrical energy into mechanical energy (motor) or mechanical ...