Electrical Machines II (EE258)
DC Machines : Construction, Classification, emf and torque equation, Characteristics of DC Motors, Speed Control, Speed Control, Brushless DC Motor, Stepper Motor, Servomotor.
Synchronous Machines: Construction, prime-mover and excitation control systems. Steady state characteristics, handling of harmonics, voltage regulation calculations for salient and non salient pole machines, parallel operation, load sharing and associated capacity curves, Synchronous motors and condensors, Permanent magnet synchronous motors, Switched reluctance motors.
Dynamic characteristics: Park transformation, the standard parameters of synchronous machines and simplified generator models, electromechanical oscillations, and large disturbance studies with respect to SMIB system, Introduction to equal-area criteria and numerical solutions.
Introduction to design of synchronous machines.
Laboratory exercises and assignments to supplement Course Contents.