Electric Machines and Drives

The course covers the basics electromagnetic fields in electromechanical devices and drives. Which includes Production of magnetic field, Faraday's law (transformer action), production of induced force on a wire (motor action). Types of DC Motors: Separately-excited Motor, Self-excited Motor (shunt, series and compound types) the characteristics, and efficiency of DC motors. Transformers: Single phase transformers, principle of operation, equivalent circuit and efficiency. AC Machine Fundamentals; Synchronous Machines; Induction Motors. Special Machines. Power diodes, Thyristors, Ac voltage controllers and Single phase converters. Dc choppers, the single Thyristors chopper, Two Thyristors Choppers, Inverters. Single phase circuits, Bridge inverter circuits.
Industrial applications: Adjusted speed dc Drives, Induction motor drives, Starting, and electric braking of induction motors.