Subject Code: EE3L001 Name: Electric Machines L-T-P: 3-1-0 Credits: 4
Pre-requisite(s):   Electrical Technology
Production of rotating magnetic field with proof, Magneto motive force and flux distribution on AC machines, Induced voltage and torque; Generator Construction, Winding configuration, Internal Generated Voltage, Equivalent Circuit, Phasor Diagram, Power and Torque, Losses & Efficiency, Regulation, Effect of Load Changes on a Synchronous Generator operation, Parallel operation of AC Generators, Frequency-power and Voltage-Reactive Power characteristics, Parallel Operation; Equivalent Circuit, Steady state operation of synchronous motor, Power and torque, Torque-Speed characteristic, Losses & Efficiency, Effect of load and field current changes, Different methods of starting; Induction Motor Construction, Basic Induction Motor Concepts, Torque and Power in Induction Motor,  Torque-Speed Characteristics, Equivalent Circuit of an Induction Motor, Losses & Efficiency, Starting, Tests;  Construction and operation of 3-phase transformer, Different configurations including Y-Y,  Y-Δ , Δ- Y and Δ- Δ, Phase Angle Displacement and Phase Rotation (Different Vector Group), Zigzag Connection, Three-Phase to Two-Phase conversion, Scott Connection, Autotransformer, Three winding Transformer.
Text Books:
  1. S. J. Chapman “Electric Machinery Fundamental,” 4th Ed., MG Hill International Edition.
  2. A. E.  Fitzgerald, C. Kingsley, Jr, and S. D. Umans, “Electric Machinery,” 6th Ed., Mc Graw Hill International Edition.
Reference Books:
  1. P.S Bimbhra, “Generalized Theory of Electrical Machines,” Khana Publisher.