COURSE SUMMARY
Course Title: 
Electric Drives and Control
Course Code: 
15EEE401
Year Taught: 
2015
2016
2017
2018
Semester: 
7
Degree: 
Undergraduate (UG)
School: 
School of Engineering
Campus: 
Bengaluru
Coimbatore
Amritapuri

'Electric Drives and Control' is a course offered in the seventh semester of B. Tech. in Electrical and Electronics Engineering program at School of Engineering, Amrita Vishwa Vidyapeetham.

Pre-requisite

Unit 1

Introduction: Concepts, and classification of Electric drives. Selection of motors. Dynamics of Electric drives: Types of loads, Multi quadrant operations, motor dynamics steady state stability and transient stability. Rating and Heating of motors: Heating effects, heating and cooling curves, classes of duty, load equalization, environmental factors.

DC motor drives: Basic characteristics, Operating modes, Single phase and three phase controlled rectifier fed DC drives, Dual converters drives, Chopper drives, Rheostatic and regenerative braking, effects of changes in supply voltage and load torque, closed loop control schemes.

Unit 2

AC motor drives: Induction motor drives, stator voltage control, stator impedance control, rotor voltage control - Slip power recovery, Concepts of Static Kramer drives and Static Scherbius drive, V/f control, Current control method. Need for harmonic filter, Closed loop control. Introduction to vector control scheme.

Unit 3

Synchronous motors: Speed torque characteristics and torque angle characteristics. Fixed and variable frequency operation modes, Self-control modes.

Special machines: Brushless DC motor, Switched Reluctance Motor, introduction to the relevant converter circuits.

  • Gopal K. Dubey, Fundamentals of Electrical Drives, Narosa Publishing House, 2001.
  • Pillay. S. K, A First Course on Electric Drives, Wiley Eastern Limited, Bombay, 2012
  • B. K Bose, ‘Modern Power Electronics and AC Drives’, Prentice Hall, New Jersey, 2002.
  • V. Subrahmanyam, ’Thyristor Control of Electric Drives’, Tata McGraw Hill, New Delhi, 1988.
  • R. Krishnan, ’Electric Motor Drives, Modeling, Analysis and Control’, Prentice Hall, NJ, 2001.
  • Muhammad H. Rashid, Power Electronics, Circuits, Devices and Applications, Third Edition, Pearson Education Press, 2004.