Electric Machines

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This new edition provides an excellent foundation to the theory of electromechanical devices with emphasis on rotating electric machines. The theory and applications of various machines are treated at appropriate places in the book. Extensive coverage on the systematic development of circuit model equivalent of both transformers and machines is given in the text. A number of solved examples and practice problems along with MATLAB examples are given in the book to facilitate problem solving skills. Key Features Exhaustive treatment of rotating electric machines in easy language. Clear explanation of basic principles, construction, circuit modeling and performance evaluation of electric machines Detailed description of Transformers, DC Machines, Induction Machines and Synchronous Machines. Enhanced coverage of Permanent Magnet Materials and their applications. Discussion on Silicon Controlled Rectifier (SCR), Insulated Gate Bipolar Transistor (IGBT), MOS Turn off Thyristor (MTO) and Emitter Turn off Thyristor (ETO) to cover new trends. Good pedagogy including solved problems, practice questions and objective type questions. MATLAB examples to facilitate problem solving skills. Pedagogy: Total problems Solved examples Practice questions Review questions Objective type questions MATLAB Examples Table Of Contents Introduction Magnetic Circuits & Induction Transformers Principles of Electromagnetic Energy Conversion Basic Concepts in Rotating Machines Armature Windings DC Machines Synchronous Machines Induction Machines Fractional Kilowatt Motors Generalized Theory of Electric Machines Motor Control by Static Power Converters