Topics Covered

DC Generation:  Principles, Construction, classification, armature winding, voltage build up, armature reactions and commutation, performance and testing.  DC Motor:  operation, types, torque-speed characteristics, and methods of speed control. Transformers: principle, construction, cooling, vector diagrams and voltage regulations, equivalent circuit, harmonics in polyphase transformers, losses and efficiency.  Induction Motor:  principles of operation, structural details, equivalent circuits, speed-torque relations, losses and efficiency, circle diagram, induction generator. Synchronous generator: general outlines; salient poles and non-salient poles, armature and field cores, cooling, air gap flux, regulation, vector diagrams, armature reaction, losses and efficiency, transient conditions, parallel operation, load sharing.  Synchronous Motor:  Theory of operation, vector diagrams, V-curves, Tests, losses, efficiency and starting.