With a variety of drones, robot applications are becoming increasingly common, brushless motors should be more and more widespread, with small size, light weight, fast speed and other characteristics, more suitable for drones, so why brushless motors are more suitable for drones? Brush motor is not good? Here Vacuz give you an introduction!

Why choose brushless motors for drones? Is it bad to have brush?

1. Reliability, DJI drones are basically selected brushless motor. Brush motor, more than 90% of the shortcomings are out of the carbon brush, which is resolved by its design itself, into the dust, rust, vibration and other circumstances, may lead to poor contact, and then cause problems.

2. long life, brush motor brushes will wear, the need for regular renewal, on the civilian products industry, which obviously does not fit the theory; brushless motor is intact without this concern, is almost maintenance-free.

3. High efficiency, where the high efficiency refers to the energy conversion rate, brushless motor no contact resistance, no carbon brushes such as heating elements, high application rate of electrical energy, can be as high as 90%; brush motor can only reach 75%, so the brushless motor running time will have obvious advantages.

4. heat dissipation, brush motor because a large part of the electrical energy into heat, and therefore must do the corresponding heat dissipation design. This will affect the size of the product, increasing the weight of the product, whether for drones or robots, is not feasible.

5. Control accuracy, according to the ordinary concept, brush DC motor control accuracy. But we have to look at things dynamically and dialectically. With the progress of Hall sensors, with brushless motors, the problem of accuracy can be solved.

Stator brezkrtačnega motorja Aero

Why brushless motors are more suitable for drones, after reading the above, I believe you have a preliminary understanding, comprehensive analysis, brushless motors solve the shortcomings of brush motors, applicable drones more stable and safe!

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