induction motor

What’s an Induction Motor?
An induction motor or asynchronous motor is an AC electric electric motor in which the electric current in the rotor had a need to create torque is obtained by electromagnetic induction from the magnetic field of the stator winding.
Working Principle of Induction Motor
We have to give dual excitation to create a DC electric motor to rotate. In the DC motor, we give one supply to the stator and another to the rotor through brush ac motor arrangement. However in induction motor, we give only 1 supply, so that it is interesting to know how an induction engine works. It is basic, from the name itself we can understand that right here, the induction process is involved. Whenever we supply the supply to the stator winding, a magnetic flux gets produced in the stator because of the flow of current in the coil. The rotor winding is indeed arranged that every coil becomes short-circuited.

The flux from the stator cuts the short-circuited coil in the rotor. As the rotor coils are short-circuited, according to Faraday’s regulation of electromagnetic induction, the current will start moving through the coil of the rotor. When the current through the rotor coils flows, another flux gets generated in the rotor. There are two fluxes, one is certainly stator flux, and another is usually rotor flux. The rotor flux will become lagging in respect of the stator flux. Due to that, the rotor will feel a torque which will make the rotor to rotate in direction of the rotating magnetic field. This is actually the working theory of both single and three stage induction motors.
Types of Induction Motors
The types of induction motors could be classified depending on if they are a solitary phase or three phase induction motor.

Single Phase Induction Motor
The types of solitary phase induction motors include:

Split Phase Induction Motor
Capacitor Start Induction Motor
Capacitor Start and Capacitor Run Induction Motor
Shaded Pole Induction Motor
Three Phase Induction Motor
The types of three phase induction motors include:

Squirrel Cage Induction Motor
Slip Ring Induction Motor
We have already mentioned over that the single-phase induction motor is not a self-starting electric motor, and that the three-phase induction motor is self-starting. Just what exactly is a self-starting motor?

When the engine starts running automatically without any external force applied to the machine, then your motor is referred to as ‘self-starting’. For instance, we see that whenever we put on the switch the enthusiast starts to rotate automatically, so it is usually a self-starting machine. Indicate be noted that lover used in home appliances is a single phase induction electric motor which is certainly inherently not self-starting. How? Will a question arise concerning how it works? We will discuss it at this point.


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