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The relationship between brushless DC motor power, torque and speed in the use of scooter motors

2021-10-29 13:48:57

There are two ways of saying the power of a brushless DC motor: input power and output power.

Input power: According to P=UI (P-power U-voltage I-current), we can get the rated input power of the motor when U and I are known.

Output power: We can get the rated output power of the motor based on the torque X speed/9550=power.

The relationship between torque, speed, and power can be calculated based on the formula mentioned above. If the speed is increased while the power is constant, the torque will decrease at the same time, and so on, the relationship between the three can be obtained.

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