Your question: What is induction motor working principle?

What is the working principle of a motor?

The electric motor works on the principle of magnetic effects of current. Its principle is when a rectangular coil is placed in a magnetic field and current is passed through it, the coil rotates as a result of the forces acting on the coil.

What are types of induction motor?

Induction motors are classified into two types namely single phase induction motor and three-phase induction motor. As their name suggests, a 1-phase induction motor is connected to a single-phase AC power supply whereas the 3-phase induction motor can be connected to a three-phase AC power supply.

What are the types of 3 phase induction motor?

There are three types of 3- phase induction motors namely plain or squirrel cage induction motor, slip-ring or wound rotor induction motor and double cage rotor induction motor.

How is torque produced in induction motor?

An induction motor develops torque by inducing current to the rotor, which is proportional to the differential speed of the rotor and the rotating magnetic field in the stator. For NEMA design B motors the differential speed (called slip) is between 1% and 2% at full load.

What is the principle of motor and generator?

The motor uses electricity. It works on the principle that when a current-carrying conductor is placed in a magnetic field, it experiences a force and rotates. The word ‘generator’ means to generate something, and an electrical generator produces (generates) electricity.

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What is slip in induction motor?

“Slip” in an AC induction motor is defined as:

As the speed of the rotor drops below the stator speed, or synchronous speed, the rotation rate of the magnetic field in the rotor increases, inducing more current in the rotor’s windings and creating more torque. Slip is required to produce torque.