Principal of 3 phase induction motor

In case of three phase AC operation, most widely used motor is Three phase induction motor as this type of motor does not require any starting device or we can say they are self starting induction motor. The major difference between them is that transformer is static in nature i. Dragonfly Education is an education company, that is building proprietary education content for higher learning in technical streams. The main advantages of induction motors are.

They are easier to maintain, cheaper and got rugged construction.

Normally induction motor has two main parts which are stator and rotor.

Synchronous speed means the speed of the rotating magnetic field in the stator.

Or they can be divided according to type of rotor - (i) Squirrel cage motor and (ii) Slip ring . There are basically two types of induction motor that depend upon the input supply - single phase induction motor and three phase induction motor. These are also called as Asynchronous Motors because an induction motor always runs. Induction Motors are the most commonly used motors in many applications.

AQqyGNOP_3o Help us to make future videos for you. Click the above link to complete the free Automation Training which c. It is regularly used electrical device. Electrical4u electrical4u working principle of three phase induction motor url? Generating Rotating Magnetic field using three phase supply.

When first learning electricity, the whole degrees thing was just confusing. Thus the rotor rotates in the same direction as that of stator flux to minimize the relative velocity. However, the rotor never succeeds in catching up the synchronous speed. The rotational speed of the rotating magnetic field is . Induction motor works on the principle of induction where electro-magnetic field is induced into the rotor when rotating magnetic field of stator cuts the stationary rotor.

Induction machines are by far the most common type of motor used in industrial, commercial or residential settings. As described in Chapter there are many types of rotating magnetic field-type motors. Generally, three - phase 2VAC shifted by 1degrees from each other is used at plants (Fig.

9). Electrical motor in general is an electro-mechanical device that converts energy from electrical domain to mechanical domain.