Squirrel Cage Type

Given Below is the construction and advantages of the Squirrel Cage Type Rotors

Construction of Squirrel Cage Type Rotors

  • It consists of a laminated cylindrical core having parallel slots on its outer periphery.
  • One copper or aluminum bar is placed in each slot.
  • Such bars are connected at each end by metal rings known as end rings.
  • This forms a permanently short-circuited winding (which is indestructible).
  • The entire construction resembles a squirrel cage and hence the name.

Squirrel Cage Type Rotor

Advantages of Squirrel Cage Type Rotors

  • Simpler Construction
  • Used in most of the three phase machines
  • Very Durable
  • Easy Maintenance and Cost Effective
  • Efficient speed operation

What is Rotor?

Rotors are a fundamental part of electrical machines and play an important role in their operation. Rotor is the rotating part of an induction motor. It is connected to the mechanical load through the shaft. There are various designs of rotors available on the basis of application and type of machine, such as squirrel cage or wound type.

In this article we will go through the definition of the Rotor with its construction in detail with its diagram, we will also go through the classification of Rotors and difference between stator and rotor, At last we will conclude our article with some of its applications and FAQs.

Table of Content

  • What is Rotor?
  • Construction of Rotor
  • Working of Rotor
  • Classification of Rotors
  • Difference Between Stator and Rotor
  • Applications of Rotors

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What is Rotor?

Rotor has a hollow laminated core having slots on its outer periphery. It is placed inside the stator (stationary part of the machine) and is responsible for electromagnetic processes which lead to energy conversion (either electrical or mechanical). The rotor receives energy via windings. This energy creates a magnetic field which results in torque generation. This torque generator causes the rotor to spin and is used to drive external machinery....

Construction of Rotor

A rotor of an electrical machine such as motor consists of following important parts:...

Working of Rotor

Given Below is the working of the Rotor...

Classification of Rotors

Based on the winding placed in these slots, (called rotor windings), Rotors are of four types:...

Squirrel Cage Type

Given Below is the construction and advantages of the Squirrel Cage Type Rotors...

Wound Type

Given Below is the construction and advantages of the Wound Type Rotors...

Salient Pole Rotor

Given Below is the construction and advantages of the Salient Pole Rotor...

Difference Between Stator and Rotor

Given Below is the Difference Between Stator and Rotor...

Applications of Rotors

With the large starting torque, there is an increase in efficiency and can be used in many electrical machines. Rotors are very useful in industrial applications, energy generation systems and efficiently convert electrical energy into mechanical energy through electromagnetic principles. Rotors have a wide range of applications including:...

Conclusion

Thus, we conclude that a motor consists of two main parts, rotor, which is the rotating part of the machine and stator which is the stationary part of the machine. The rotation of rotor magnetic field wrt to rotation of stator magnetic field decides whether the machine acts as a generator or a motor. The construction of rotor depends on the type of electrical motor, whereas the stator’s construction is similar in all types of motor....

Rotor – FAQs

What is the difference between stator and rotor?...