Construction And Working Of Three Phase Induction Motor Pdf


By Florence B.
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16.04.2021 at 08:14
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construction and working of three phase induction motor pdf

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Induction Motor: Working Principle, Types, & Definition

The stator frame consists of laminations of silicon steel, usually with a thickness of about 0. Lamination is necessary since a voltage is induced along the axial length of the steel as well as in the stator conductors. The laminations are insulated from each other usually by a varnish layer. This breaks up the conducting path in the steel and limits the losses known as eddy current losses in the steel. The stator coils are normally made of copper ; round conductors of many turns per coil are used for small motors, and rectangular bars of fewer turns are employed for larger machines. The coils are electrically insulated.

Some of the advantages like low cost, rugged design less complex, and easy to maintain AC motors results in many of the industrial operations are performed with the use of AC drives than DC drives. AC induction motor is a special type of electric motor having its own typical characteristics and performance in terms of starting, speed control, protections, and so on. The performance over a wide range of applications makes three-phase induction motors accountable for 85 percent of the installed capacity of the industrial driving systems. The three-phase AC induction motor is a rotating electric machine that is designed to operate on a three-phase supply. This 3 phase motor is also called as an asynchronous motor.

Three Phase Induction Motor Construction & Working Principle

There are two types of 3-phase induction motor based on the type of rotor used:. Squirrel cage induction motor. Slip ring induction motor. It is possible to speed control by regulating rotor resistance. Hence slip ring induction motors are used where one or more of the above requirements are to be met.

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Working Principle of an Induction Motor

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. The induction motor is the single excited motor, i.

The motor is used to convert an electrical form of energy into mechanical form. According to the type of supply, motors are classified as AC motors and DC motors. In today post, we will discuss the different types of three phase induction motors with working and applications.

Three Phase Induction Motor Construction & Working Principle

Construction of a 3 phase induction motor

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4 Comments

Tirza L.
19.04.2021 at 02:08 - Reply

Like any electric motor, a 3-phase induction motor has a stator and a opportunitymeridian.org stator carries a 3-phase winding (called stator winding) while the rotor carries a.

Anouk C.
19.04.2021 at 22:34 - Reply

The popularity of 3 phase induction motors onboard ships is because of their simple, robust construction, and high-reliability factor in the sea environment.

Kate M.
22.04.2021 at 21:12 - Reply

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Aracelia V.
23.04.2021 at 00:43 - Reply

The three phase induction motor is the most widely used electrical motor almost 80 of the mechanical power used by industries is provided by three phase induction motors because of its simple and rugged construction low cost good operating characteristics the absence of commutator and good speed regulation.

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