induction motor

What is an Induction Motor?
An induction ac motor engine or asynchronous motor can be 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 Basic principle of Induction Motor
We need to give dual excitation to produce a DC motor to rotate. In the DC electric motor, we give one supply to the stator and another to the rotor through brush arrangement. But in induction engine, we give only one supply, so it is interesting to know how an induction motor works. It is basic, from the name itself we can understand that right here, the induction process is involved. When we give the supply to the stator winding, a magnetic flux gets produced in the stator because of the circulation 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 law of electromagnetic induction, the existing will start flowing through the coil of the rotor. When the current through the rotor coils flows, another flux gets produced in the rotor. There are two fluxes, one is definitely stator flux, and another is definitely rotor flux. The rotor flux will be lagging according of the stator flux. Because of that, the rotor will feel a torque which can make the rotor to rotate in the direction of the rotating magnetic field. This is the working principle of both solitary and three phase induction motors.
Types of Induction Motors
The types of induction motors can be classified depending on if they are a solitary phase or three phase induction engine.

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

Split Phase Induction Motor
Capacitor Start Induction Motor
Capacitor Begin and Capacitor Operate 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 above that the single-stage induction motor is not a self-starting electric motor, and that the three-phase induction motor is self-starting. So what is a self-starting engine?

When the electric motor starts running automatically with no external force applied to the machine, then the motor is referred to as ‘self-starting’. For instance, we see that when we put on the change the fan starts to rotate automatically, so it is certainly a self-starting machine. Indicate be noted that enthusiast used in home devices is an individual phase induction electric motor which is definitely inherently not self-starting. How? Will a question arise as to how it works? We will discuss it right now.


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