What is a induction motor and how does it work?

Where is induction motor used?

AC induction motors are the most common electric motors in the world. These simple, reliable and economical motors are found in refrigerators, washing machines and furnaces, as well as conveyors, pumps, winders, wind tunnels and other industrial equipment.

What is induction motor example?

Examples: Compressor, Crushers, Conveyors, etc. Class D Motor: Highest Starting torque of all the class motor, low starting current and high operating slip. This type of motors has low efficiency suitable for intermediate loads. Examples: Bulldozers, Die stamping, etc.

What is the principle of a motor?

The electric motor works on the principle of magnetic effects of current. Its principle is when a rectangular coil is placed in a magnetic field and current is passed through it, the coil rotates as a result of the forces acting on the coil.

What is the difference between induction motor and normal motor?

The stator winding of Induction Motor is energized from an AC source. Synchronous Motor always runs at synchronous speed, and the speed of the motor is independent of load, but an induction motor always runs less than the synchronous speed. If the load increased the speed of the induction motor decreases.

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What are two types of induction motor?

Single-phase induction motors and three-phase induction motors are the two main types of induction motors. As their names imply, a single-phase induction motor is connected to a 1 phase AC power supply and a three-phase induction motor is provided with 3 phase AC power supply.

Which motor is used in tramway?

This paper compares five different motor types used in variable speed drives: a dc motor with a mechanical commutator and with electromagnetic or permanent magnets excitation, a cage induction motor, asynchronous cascade with a slip‐ring motor and a brushless motor with PM excitation.

What are the main parts of induction motor?

Parts of Induction Motors

  • Stator. The stator is the stationary portion of the motor and delivers a rotating magnetic field to interact with the rotor. …
  • Rotor. The rotor is the central component of the motor, and is fixed to the shaft. …
  • Shaft. The motor shaft is fixed within the rotor, and rotates with it. …
  • Bearings. …
  • Casing.

What are the advantages of an induction motor?

Advantages of induction motor:

It is a very cheap cost compare to the other motors. This motor is a highly efficient motor. The efficiency of the induction motor is varying from 85 to 95%. The maintenance of an induction motor is very less compared to the DC motor and synchronous motor.