What Is Induction Motor Slip

By | November 30, 2021



Slip is a crucial concept in the operation of an induction motor. The term “slip” is used to describe the difference between the synchronous speed and the actual speed of the induction motor. It is this difference that enables the induction motor to produce the torque it requires to perform its task. In this article, we will explain what induction motor slip is, how it works, and its importance in the operation of an induction motor.

An induction motor is an electric motor with no brushes or commutators, which means it does not require direct current for its operation. It is powered by alternating current, which is supplied from the power grid via a three-phase power source. When this alternating current is applied to the stator windings, it produces a rotating magnetic field which induces current flow in the rotor windings, causing the rotor to rotate in the same direction as the stator's magnetic field.

The synchronous speed of an induction motor is a function of the frequency of the supply voltage and the number of poles on the rotor. This synchronous speed is the theoretical speed at which the rotor should rotate in order to keep up with the rotating magnetic field. However, due to certain mechanical and electrical losses, the rotor has a tendency to slow down and the difference between the actual speed of the rotor and the synchronous speed is known as slip.


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