Electrical Machines - II

This learning track covers a comprehensive understanding of electrical machines, focusing on inductance, single conductor motors and generators, operation of electrical rotating machines, rotating machines and coils, coil distribution, three-phase balanced winding, rotating magnetic fields and motors, three-phase induction motors, cage type induction motors and circle diagram, operation of three-phase induction motor and introduction to single phase induction motor, understanding single phase induction motors and synchronous machines, and understanding operation of synchronous machines. For instance, learners will delve into the principles and operations of three-phase induction motors, single-phase induction motors, and synchronous motors. They will explore the concept of self and mutual inductances of coupled coils, the operations of a single conductor motor, the construction of electrical rotating machines, the role of coils in rotating machines, the concept of coil distribution in electrical machines, the concept of double-layer three-phase balanced winding, the application of rotating magnetic fields in motors, the workings of a three-phase induction motor, the study of cage type induction motors, the process of drawing the circle diagram of a three-phase induction motor, the analysis of single phase induction motors, and the operations of synchronous machines. This learning track provides a detailed understanding of the fundamental principles and operations of electrical machines.

These courses have been developed by Prof. Tapas Kumar Bhattacharya from IIT Kharagpur for NPTEL. They are now accessible through Ansys Innovation Space courtesy of the partnership between Ansys and NPTEL, under the CC BY-SA license. For more details, visit https://archive.nptel.ac.in/courses/108/105/108105131/.

1
Innovation Course

Inductance in Electrical Machines

This course covers the comprehensive understanding of inductance in electrical machines, focusing on the principles and operations of three-phase induction motors, single-phase induction motors, and synchronous motors. For instance, the course delves into the ste...Read more

2
Innovation Course

Single Conductor Motors and Generators

This course covers the comprehensive understanding of single conductor motors and generators. It starts with the basic principles of motoring and generating, explaining the role of Fleming's left-hand and right-hand rule in the operation of these machines. T...Read more

3
Innovation Course

Understanding Operation of Electrical Rotating Machines

This course covers the fundamental principles and operations of electrical rotating machines. It begins with an exploration of the construction of these machines, focusing on the stator and rotor, which carry windings and produce their own m...Read more

4
Innovation Course

Rotating Machines and Coils

This course covers the fundamental aspects of rotating machines, focusing on the role of coils and their dynamics. It delves into the concept of magnetic field distribution in electrical machines, explaining how the air gap field distribution plays a crucial role in ge...Read more

5
Innovation Course

Coil Distribution in Electrical Machines

This course covers the comprehensive understanding of coil distribution in electrical machines. It begins with the concept of coil distribution and how it is used to effectively utilize the surface of the machines. The course further explains the displacem...Read more

6
Innovation Course

Three-Phase Balanced Winding

This course covers the fundamental aspects of AC machines, focusing on the concept of double-layer three-phase balanced winding. It provides a comprehensive understanding of how windings are laid in three-phase machines, the specifications of the total number of slots...Read more

7
Innovation Course

Rotating Magnetic Fields and Motors

This course covers the comprehensive understanding of rotating magnetic fields and their application in motors. It starts with the historical background of the rotating magnetic field, its generation, and the concept of balanced polyphase winding. The course th...Read more

8
Innovation Course

Three-Phase Induction Motors

This course covers the comprehensive understanding of three-phase induction motors. It starts with the basic concept of induction motors, focusing on the definition and implications of 'slip'. The course then delves into the intricate workings of a three-phase inducti...Read more

9
Innovation Course

Cage Type Induction Motors and Circle Diagram

This course covers the comprehensive study of cage type induction motors, their construction, operation, and performance. It begins with an introduction to different types of three-phase induction motors, focusing on the cage type induction motor. The...Read more

10
Innovation Course

Operation of Three-Phase & Single Phase Induction Motor

This course covers the comprehensive understanding of three-phase induction motors. It begins with the process of drawing the circle diagram of a three-phase induction motor, explaining the significance of no-load and block rotor tests. The co...Read more

11
Innovation Course

Single Phase Induction Motors and Synchronous Machines

This course covers the comprehensive study of single phase induction motors and synchronous machines. It begins with an in-depth analysis of single phase induction motors, explaining the equivalent circuit, torque slip characteristics, and th...Read more

12
Innovation Course

Understanding Operation of Synchronous Machines

This course covers the comprehensive study of synchronous machines, their operations, and the impact of varying parameters. For instance, it delves into the analysis of electrical machines, focusing on the synchronous machine, and explains the equiv...Read more