A brushless motor is a device that converts electrical energy into mechanical energy. By consuming electrical energy, mechanical energy can be obtained for certain needs. Brushless motors can be used in the small appliance industry, such as common electric fans and vacuum cleaners, in addition to lawnmowers and power tools that use brushless motors.

The role of brushless motors is actually to convert electrical energy into mechanical energy, removing the brushes and not generating electric sparks during operation, greatly reducing the interference of electric sparks on remote control radio equipment, favored by the majority of customers!

Brushless motor motor advantages:

1. Small noise, smooth operation.

Brushless motor brushless operation friction is greatly reduced, smooth operation, low noise.

2. Long service life, low maintenance costs.

The wear and tear of brushless motor is mainly concentrated on the bearings. From the mechanical point of view, brushless motor is almost maintenance-free motor. Just do a little dusting and maintenance when necessary.

Disadvantages of brushed motors:

1. High friction losses.

After the motor has been used for some time, they need to open the motor to clean the motor’s carbon brushes, which is time-consuming and laborious, and the maintenance intensity is no less than household cleaning.

2. High heat generation and short service life.

In brushed motors, due to the structure, the contact resistance between the brushes and the commutator is relatively large, resulting in a large total motor resistance, which is easy to generate heat. Permanent magnets are a kind of thermal element, if the temperature is too high, the magnets will demagnetize, which will reduce the performance of the motor and affect the life of the brushed motor.

3. Low efficiency and low output power.

The heating problem of brushed motors is, to a large extent, due to the work done by the current on the internal resistance of the motor, so the electrical energy is largely converted into heat energy, so the output power of brushed motors is not high and the efficiency is not high.

What are the advantages of brushless motor motors over brushed motors? What are the roles and functions? The above has been made a simple explanation, I hope that this little knowledge can help you!

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