Engineering - Course - Electric Machinery II

Three-phase AC machines: winding connections, rotating magnetic field theory, three phase induced voltages and torque. Three-phase induction motors: construction, theory of operation, equivalent circuit, power flow and regulation, starting and testing, torque speed analysis. Synchronous generators and motors: construction, theory of operation, induced voltage, equivalent circuit, voltage regulation, electrical and mechanical diagrams, and parallel operation. Single phase induction motor: construction, theory of operation, equivalent circuit, different types of starting methods and applications. Variable reluctance machines: switched reluctance, synchronous reluctance, and stepper motor. Hysteresis motor. Linear machine: induction, synchronous reluctance. Universal motor: construction theory of operation. Pre-req.: POWE 435.