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Question:

Please! What is the correlation between slip (speed and frequency) and an electric motor?

Could someone tell me what correlation between the slip (speed and frequency) and an AC motor, please?And is this relationship identical for every AC motor no matter the motor is brushless motor or SR motor? If I change the slip of an electric motor, what is also changed in this motor? current? torque?Are there any examples to say why and how to change the slip of a motor? Many thanks

Answer:

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The synchronous speed of an ac motor is determined by the number of poles a motor is wound for and the frequency of the current. RPM = Frequency x 60 x number of poles. AC motors must run a little less than synchronous speed. The difference in synchronous speed and actual no load speed is called slip.Some ac motors are made for speed control by externally changing the number of poles. Get the right hp motor and type for the application.

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