Some of us may have experienced an RC brushless motor failure. What makes them fail electrically really only comes down to two parameters. Voltage and Current.
Increasing voltage on a brushless motor simply increases the total amount of output RPM. Further increasing the voltage provided to the motor simply increases the total amount of RPM expected out of the motor. Mechanically you will see a threshold where if exceeded the bearing or rotor will fail. However, electrically voltage does not cause direct harm to the brushless motor.
When looking at current, we can directly relate current to the load on the motor. As the load of the motor increases, the current increases. Current in brushless motor windings produces waste heat. Heat ultimately destroys a brushless motor.
Негізгі бет Ғылым және технология What kills an RC Brushless Motor - Current or Voltage
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