Electric Machines

With its comprehensive coverage of the state of the art, this second edition of the book introduces the basic types of transformers and electric machines. Classifications and characterization-modeling and performance-of power electric transformers(single and multiphase), motors and generators, commercial(dc brush, induction dc excited synchronous, PM synchronous, reluctance synchronous etc.) and some new ones (multiphase ac machines, switched reluctance machines etc) with great potential for industry with rotary or linear motion are all discussed in the book.The book covers in detail circuit modeling characteristics and performance characteristics under steady-state, testing techniques and preliminary electromagnetic-thermic dimensioning. It includes lots of solved numerical examples and special cases to illustrate new such electric machines with strong industrialization potential. All formulae used to characterize parameters and performance may be safely used in industry for preliminary designs and have been applied in the book through numerical work-out examples of industrial interest.Numerous computer simulation programs in MATLAB and Simulink® are included that illustrate performance characteristics present in the chapters and may be used as homework in order to facilitate a deep grasping of fundamental issues. This book is intended for first semester course, treating electric transformers, rotary and linear machines steady state modeling and performance computation, preliminary dimensioning and testing standardized and innovative techniques. The textbook may directly be used by R&D engineers in industry as all machine parameters and characteristics are calculated by ready to use in industrial design mathematical expressions.