Electric Machines: Extracts, Examples, Exercises and Questions, 1/e

Electric Machines: Extracts, Examples, Exercises and Questions, 1/e

Authors : K Murugesh Kumar

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About the Author

K Murugesh Kumar :- K Murugesh Kumar is currently, the Principal, Sri Krishna Engineering College, Chennai. Prior to this, he was an assistant professor in the Department of Electrical and Electronics Engineering, PSG College of Technology, Coimbatore. He has over 22 years of teaching experience and has authored several books, some of which are, Basic Electrical Science and Technology, DC Machines and Transformers, Induction and Synchronous Machines. Dr Kumar has also worked as a consultant in the areas of Design and Testing of Electric Machines and in testing of Electrical Instruments for the Bureau of Indian Standards (BIS).

About the Book

A handy supplement and quick reference guide, this book covers the major gamut of Electric Machines including DC Machines, Transformers, Induction Machines and Synchronous Machines.


    SECTION I: DC Machines
  • Fundamentals of Electric Machines
  • Constructional Features of DC Machines
  • Methods of Excitation
  • Armature Reaction and Commutation
  • Load Characteristics of DC Generators
  • Parallel Operation of DC Generators
  • Principle of DC Motors
  • Load Characteristics of DC Motors
  • Control of DC Motors
  • Losses, Efficiency and Testing of DC Machines
  • Objective Type Questions, SECTION II - Transformers
  • Principle of Transformers
  • Performance of Transformers
  • Testing of Transformers
  • Parallel Operation of Transformers
  • Auto-Transformers
  • Three-Phase Transformer Connections
  • Miscellaneous Topics on Transformers
  • Instrument Transformers
  • Objective Type Questions
  • SECTION III: Induction Machines
  • Three-Phase Induction Machines—Constructional Details
  • Three-Phase Induction Machines—Principles of Operation
  • Losses and Efficiency
  • Equivalent Circuit of Three-Phase Induction Motor
  • Testing and Performance Prediction
  • Miscellaneous Topics on Three-Phase Induction Machines
  • Control of Three-Phase Induction Motors
  • Single-phase Induction Motors
  • Objective Type Questions, SECTION IV : Synchronous Machines
  • Constructional Features of Synchronous Machines
  • Load Characteristics of Alternators
  • Predetermination of Voltage Regulation of Alternators
  • Parallel Operation of Alternators
  • Operation on Infinite Bus-Bars
  • Synchronous Motors
  • Hunting of Synchronous Machines
  • Circle Diagram of Synchronous Machines
  • Two Reaction Theory
  • Objective Type Questions

Key Features

  • Standard symbols prescribed by BIS (Bureau of Indian Standards)
  • Computation with complex numbers for solving AC Machines examples, making use of Complex Calculation facility available in recently available calculations
  • Clear concepts about the nature of different phases