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Performance comparison of brushless and brushed motors
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1. The friction is large and the loss is large. Some friends often encounter this problem when using brushed motors. After the motor has been used for a period of time,intelligent brushless motor controller， it is necessary to open the motor to clean the carbon brushes of the motor, which is time-consuming and labor-intensive.
2. Large heat generation and short service life Due to the structure of the brushed motor, the contact resistance between the brush and the commutator is large, resulting in a large overall resistance of the motor, which is easy to generate heat and reduce the performance of the motor.
3. The low efficiency is largely because the current does work on the internal resistance of the motor, so the electrical energy is largely converted into heat energy, so the output power of the brushed motor is not large and the efficiency is not high.
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The difference between brushed motor and brushless motor