Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors

Slip

Definition, Formula | Induction Motors

The difference between the synchronous speed NS of the rotating magnetic stator field and the actual rotor speed N is called "slip".

 

SLIP

 

In practice, the rotor never succeeds in catching up' with the stator field. If it did, there would be no relative speed between the stator field and rotor conductors, no induced rotor currents and therefore, no torque to drive the rotor. That is why the rotor runs at a speed which is always less than speed of the stator field. The difference in speed depends on the load on the motor.

 

Definition

The difference between the synchronous speed NS of the rotating magnetic stator field and the actual rotor speed N is called "slip".

 

% slip = ( NS‒N / NS ) × 100

 

Here, NS‒N is called the slip speed.

Then, rotor speed N=NS(1‒S)

 

Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors : Tag: Basic Engineering : Definition, Formula | Induction Motors - Slip


Basic Electronics and Electrical Engineering: Chapter 5: Induction Motors



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