In an induction motor, the electric current in the rotor needed to produce torque is obtained via electromagnetic induction from the rotating magnetic field of the stator winding. Join researchgate to discover and stay uptodate with the latest. Pdf rotor and stator temperature rise in induction motors is considered to be a major cause of motor insulation degradation and motor. The motor is mounted in a test rig that allows one to control the torque applied to the motor shaft and to measure both rpm and torque. An electrical motor is a device that has brought about one of the biggest advancements in the fields of engineering and technology ever since the invention. Advantages of 3 phase induction motor generally easy to build and cheaper than corresponding dc or synchronous motors induction motor is robust. Generally, it is known as the asynchronous motor because its running speed is less than its synchronous speed. The electric energy generated purchased by consumers for different needs.
We also discuss the construction of a three phase motor including its. Free download induction motor seminar ppt, pdf report. A simple explanation of how a 3 phase induction motor works. Learn all about induction motors including the working principle of an induction motor, and the different types of induction motors available. Induction motor theory jerry bednarczyk, pe course content introduction the ac induction motor is well suited to applications requiring constant speed operation. Ac induction motors are also the most common motors used in main powered home appliances. The alternating current ac induction motor is one of the most rugged and most widely used machines in industry. An induction motor also known as an asynchronous motor is a commonly used ac electric motor. You should also make a dc measurement of stator winding linetoline resistance using a dmm. Induction motor seminar ppt, pdf report study mafia. The rotor of an induction motor can be a squirrel cage rotor or wound type rotor.
Record all nameplate information for the induction motor. A threephase ac induction motor is the only type where the rotating magnetic field is created naturally in the stator because of the nature of the supply. The advantages of threephase ac induction motor are listed below. The induction motor is made up of the stator, or stationary windings, and the rotor. The stator is composed of laminations of highgrade sheet steel.
An induction motor can be defined as the ac electric motor device in which a power source fed by the alternating current with the help of a primary winding. Single phase induction motor, theory of operation double. The basic idea of an electric motor is to generate two magnetic fields. There are two major components of an ac induction motor.
The threephase induction motor is the extensively used for various kinds of industrial drives. Pdf design and construction of induction motor thermal. Ac induction motors are also the most common motors used in main. In general, the induction motor is cheaper and easier to maintain compared to other alternatives. An887, ac induction motor fundamentals microchip technology.
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