rotor construction of induction motor

Induction Motor Components An induction motor has two main parts: • A stator –consisting of a steel frame that supports a hollow cylindrical core of stacked laminations Slots on the internal circumference of the stator house the stator winding • A rotor –also composed of punched laminations with rotor slots for the rotor winding Types of three phase induction motor rotor There are two types of induction motor rotors: Squirrel-cage rotor or simply cage rotor Phase wound or wound rotors The motors that use this type of rotor are known as Slip-ring rotors Squirrel cage rotor: Squirrel cage motor works on the principle of Electromagnetism It consists of Rotor Stator

Three Phase Induction Motor: Construction and Working

Construction of Three Phase Induction Motor Like any electric motor a 3-phase induction motor has a stator and a rotor The stator carries a 3-phase winding (called stator winding) while the rotor carries a short-circuited winding (called rotor winding) Only the stator winding is fed from the 3

1/28/2020The structure of the rotor is similar to a squirrel cage and is the same type of rotor which is used in a single-phase induction motor Now if we provide the electric power to the three-phase windings of the stator then the current starts flowing in all three windings

4/25/2020An induction motor is a motor that provides power It owes its name to the way it operates Alternating current voltages are induced by the magnetic and rotating field of the stator in the rotor circuit An induction motor is constructed with elements of copper steel and aluminum While this makes them more expensive than universal motors it also increases their quality and durability

rotor Construction and Working Principle of a Rotor In a three-phase induction motor once an AC is applied to the rotor then the windings of stator strengthen to generate a rotary magnetic flux The flux generates a magnetic field in the air gap among the stator the rotor to induce a voltage for generating the current throughout the bars

The main difference between slip ring induction motor is in rotor construction and usage Rotor ( Wound rotor ) : As it names Wound rotor the rotor is wound with a 3 phase windings Bar straps or wires are used for winding A large number of rotor turns will increase the secondary voltages and reduce the current that flows through slip rings


Basic construction of 3

It is not surprising to find that this type of electric motor is so popular when one considers its simplicity reliability and low cost In the last decade it has become increasingly common practice to use 3-phase squirrel cage AC induction motors with variable voltage variable frequency (VVVF) converters for variable speed drive (VSD) applications

• The basic idea of an electric motor is to generate two magnetic fields: rotor magnetic field and stator magnetic field and make the stator field rotating The rotor will constantly be turning to align its magnetic field with that of the stator field • The 3-phase set of currents each of equal magnitude and with a phase

Construction : Conversion of electrical power into mechanical power takes place in the rotating part of an electric motor In A C motors rotor receives electric power by induction in exactly the same way as the secondary of a two-winding transformer receives its power from the primary Hence such motors are known as a rotating transformer i e one in which primary winding is stationary but

5/1/20184 Using a cycloconverter in the rotor circuit Control of an Induction Motor by Stator Voltage Variation (Using a Three Phase Voltage Controller) It is very well known that the torque of an 3 Phase Induction Motor Construction varies directly in proportion to the square of the voltage The torque of an induction motor is approximately given by

10/5/2019The asynchronous motor is also known as an induction motor It is a machine that runs at a constant speed I e synchronous speed But an asynchronous motor runs at a speed less than that of synchronous speed The induction motor is further classified into single-phase and three-phase induction motors

Construction of AC Motors Industrial applications frequently use AC induction motors We'll discuss 3-phase 460V AC asynchronous induction motors When the speed of the rotating magnetic field is more than the speed of the rotor you know it's an asynchronous motor (see illustration)

(1) Induction motor If the induction motor is viewed as a type of transformer it becomes easy to understand Typically they consist of (1) a stator with laminations and turns of copper wire and (2) a rotor constructed of steel laminations with large slots on the periphery stacked together to form a "squirrel cage" rotor

11/27/2019An electrical motor is an electromechanical device which converts electrical energy into mechanical energy In the case of three phase AC (Alternating Current) operation the most widely used motor is a 3 phase induction motor as this type of motor does not require an additional starting device These types of motors are known as self-starting induction motors

Construction of induction motor stater and rotor of

Those induction motors which employ squirrel cage rotor are called squirrel cage induction motors Most of 3-phase induction motors use squirrel cage rotor as it has a remarkably simple and robust construction enabling it to operate in the most adverse circumstances

1/3/2018Hi As a general rule construction of a induction motors consist essentially of two main parts : a) a stator and b) a rotor In rotor construction there are two types of motors are coming * Squirrel cage rotor motor * Phase wound or wound rotor

Induction motor also known as asynchronous motor is a kind of AC electric motor According to the different power phase it can be divided into single-phase and three-phase The main construction of induction motor is composed of two parts - stator and rotor In addition there are end bells bearings motor frame and other components

The motor which works on the principle of electromagnetic induction is known as the induction motor The electromagnetic induction is the phenomenon in which the electromotive force induces across the electrical conductor when it is placed in a rotating magnetic field The stator and rotor are two essential parts of the motor

ROTOR CONSTRUCTION: The rotor is the rotating part of the motor's electromagnetic circuit The most common type of rotor used in a three phase induction motor is a squirrel cage rotor The squirrel cage rotor is so called because its construction is reminiscent of the

A wound rotor induction motor has a stator like a squirrel cage induction motor but a rotor with insulated windings brought out via slip rings and brushes However no power is applied to the slip rings Their sole purpose is to allow resistance to be placed in series with the rotor

Construction of brushless Dc motor: We can say that brushless motor has the same construction of Ac induction motor and brushed Dc motor like all other motors there is a stator and a rotor The stator: The stator of this motor made of laminated steel stacked up to carry the windings which may be arranged in star (Y) or delta (∆) pattern

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