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This textbook offers insights into the principles and applications of electrical machines. The text provides a thorough understanding of the fundamentals that are common to all machines. The book elaborates on single-phase and three-phase transformers, DC machines, AC machines as well as commutator motors, and three-phase induction motors, single-phase induction motors, synchronous machines, generators and motors. This book is intended as a text for students pursuing diploma and undergraduate courses in Electrical Engineering in various universities and engineering institutes. Besides, the book takes care of the requirements of students who are preparing for professional examinations, including those conducted by the Institution of Engineers (India), i.e. AMIE. Key Features Discusses the step-by-step coverage of the construction of electrical machines. Gives the methods of testing of electrical machines. Provides the performance calculations of electrical machines. Includes numerous worked-out examples. About The Author (Late) Professor M. V. Deshpande, B.E. (Elec.), B.E. (Mech.), M.S. (Illinois), F.I.E.E. (London), L.S.I.E.E.E. (USA), and F.I.E. (India), served as Professor and Head, Department of Electrical Engineering, L.D. College of Engineering, Ahmedabad, and College of Engineering, Pune. Professor Deshpande also served as the Director of Technical Education, Maharashtra, for three years. He was Director of Training, Maharashtra State Electricity Board for two years and represented India at World Power Conferences in Canada, Australia, Japan and erstwhile USSR. With about five decades of experience in various positions, the author also published numerous papers in reputed journals in India and abroad. Professor Deshpande authored seven books on Electrical Engineering during his lifetime.  Table of Contents Preface 1. Single-phase Transformers: Principle and Construction 2. Single-phase Transformers: Operation and Testing 3. Three-phase Transformers: Operation and Testing 4. Elements of Transformer Design 5. Laboratory Work (Transformers) 6. Basic Principles of Electrical Machines 7. Principle and Construction of DC Machines 8. DC Machines: Operation and Testing 9. Elements of DC Machine Design 10. Laboratory Work (DC Machines) 11. Three-phase Induction Motors: Principles and Characteristics 12. Three-phase Induction Motors: Operation and Testing 13. Synchronous Machines 14. Synchronous Machines: Generators 15. Synchronous Motors 16. Single-phase Induction Motors 17. AC Commutator Motors 18. Laboratory Work (AC Machines) Index