Electric Machines I
|Flow||Z - Energy Conversion, High Voltages and Industry Applications|
|Category||Obligatory (half flow)|
|Class Hours - Lab Hours||3 - 2|
|Lecturers||Antonios Kladas, Panagiotis Rovolis (T & R Associates)|
|Links||Helios, Course's Website|
General principles of analysis of transformers and electrical machines. Ferromagnetic materials. Configuration of single phase and three phase power transformers, autotransformers, saturation and harmonic phenomena, winding connections and parallel operation. High frequency transformers. Polyphase transformers. Distributed electrical machine windings, electromotive force and torque development, magnetomotive forces, harmonics. Configuration of three-phase induction motors, starting, double cage rotors and deep bar rotors. Classification of induction motors. Wound rotors and doubly-feed asynchronous machines, variable speed operation. Capacitor single phase induction motors, shaded-pole induction motors. Introduction to transient and dynamic phenomena in transformers and induction motors.