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brushless DC motor (BLDC)

A brushless DC motor, Brushless DC Motor (BLDC) is a DC-powered synchronous motor that generates alternating current

for the motor windings. In the BLDC motor, an electronic microsensor senses the position of the rotor - which is the rotating part of the motor - and controls the current

through the windings of the strator, the stationary part of the DC motor. Unlike the strator, the rotor contains only permanent magnets and moves through the magnetic field generated in the strator. Compared to brushed motors, brushless motors have higher torque per unit of power, higher reliability, and generate less electromagnetic interference. For drones, especially multicopters, high torque is important because the balancing of the drone is achieved by changing the propeller speed.

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Englisch: brushless DC motor - BLDC
Updated at: 17.01.2021
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