Brushless DC motors are widely used, especially in aerospace, aerospace models, new energy vehicles, intelligent office equipment, power tools, household appliances and other industry applications, some friends for brushless motors are not very well understood, do not know the advantages and disadvantages of brushless DC motors, is not suitable for them, Vacuz to introduce you! I hope it can help everyone!

Brushless DC motor advantages.

1. removed the traditional brushed mechanical commutation method, the use of electronic commutation, fully enclosed structure, more reliable performance, lower failure rate.

2. The external characteristics are better, can output more torque at low speed operation, can provide a relatively large starting torque.

3. Small no-load current, wide speed range, can run at full power at different speeds.

4. Smaller size, higher power, stronger overload capacity.

5. Long service life, maintenance-free.

Brushless DC motor disadvantages.

1. There is a relatively slight vibration when starting at low speed, speed up, the phase change frequency will also be larger, the vibration phenomenon is reduced.

2. Control requirements than brush high, but also more complex, the price is also higher.

3. Easy to form resonance, can be adjusted to reduce.

These are the advantages and disadvantages of brushless DC motor, no matter how to say, relative to the brush or quite advantageous, is still in continuous research and development, I believe that the future potential.

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