Induction Motor Applications

Most of the motors used for household and commercial purposes are induction motors. The use of an induction motor as an induction generator is insignificant. An induction motor has nearly constant speed motor characteristics. Other types of motors are used only in special-purpose applications where variable speed control is needed.

Nowadays induction motors can be seen everywhere from a workshop to large industrial applications. Different ratings of three-phase induction motors from kilowatt to thousands of kilowatts are available in the market.

The selection of induction motors can be made according to their load characteristics. Because it gives us horsepower requirement, starting torque, speed variation, duty cycle, and some other ratings of that motor. So that it is easier to specify a particular rating of motor to a particular application.

Application of various types (with respect to starting torque and starting current) of squirrel-cage motors and wound-rotor motors are mentioned below.

Application of Squirrel-Cage Motor :

Induction Motor Applications

The applications of squirrel cage induction motor are,
  1. For general purpose with normal torque and normal starting current. Applications are Fans, blowers, centrifugal pumps, line shafting, etc.
  2. For high torque and low starting current. Applications are conveyors, compressors, crushers, agitators, reciprocating pumps, etc.
  3. For high torque with medium and high slip. Applications are high inertia loads, such as sheers, punch presses, and die stamping. etc.
  4. For low starting torque and normal starting current. Applications are low inertia loads and low starting torque requirements, such as fans and centrifugal pumps.

Application of Slip-Ring Motor :

Induction Motor Applications

These motors are used in situations where high starting torque is required such as in hoists, compressors, lifts, crushers, large ventilating fans, cranes, etc.

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