Subject Code: EE4L003 Subject Name: Electric Drives L-T-P: 3-0-0 Credits: 3
Pre-requisite(s): Power Electronics, Electric Machines
 Introduction: Parts of electric drives, choice of drive, relative features of AC and DC drives, Dynamics and control of electric drives: Fundamental equations, multi-quadrant convention, equivalent drive parameters, load torque components, steady state stability, modes of operation, closed-loop control, PLL control, position control, selection of motor power rating, DC motor drives: Performance of dc motors, starting, braking, transient analysis, speed control, methods of armature voltage control, modes of speed control, Ward-Leonard drives, single phase and three phase controlled rectifier-fed dc drives, dual converter control, chopper controlled dc drives, rectifier control of dc series motor, performance analysis, Induction motor drives: Analysis and performance, starting, braking, speed control, stator voltage control, variable voltage variable frequency control, rotor resistance control, slip power recovery, Synchronous motor drive: Analysis and performance, characteristics of synchronous motor, power factor rating, operation from fixed frequency supply, variable speed drives, Traction drives: Traction load and motors, dc and ac traction drives.
Texts/References Books:
  1. M. H. Rashid, “Power Electronics: Circuits, Device and Applications”, 2nd Ed. 1993, Prentice-Hall, Inc.
  2. N. Mohan, T. M. Undeland,  and W. PRobbins, “Power Electronics: Converters, Application and Design”, 3rd Ed., John Wiley, 2003.
  3. G. K. Dubey, “Fundamentals of Electrical Drives”, Narosa Publishing House, 1995.