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EX-801 · Electrical Drives/Official Syllabus

Electrical Drives (EX-801) - Official Syllabus

1
Unit 1

Basic Concepts of Electric Drives

  • Elements of drive systems
  • Requirement of electric drives
  • Rating & Selection of drives
  • groups and individual drives
  • Constant power drives
  • Constant torque drives
  • Motor Mechanism dynamics
  • Review of Characteristics of AC motors
  • Review of Characteristics of DC motors
  • load characteristic
  • load-drive speed torque characteristics
  • quadrant speed torque characteristics
  • Stability of Electric drives
  • referred moment of inertia of motor load combination
  • referred torque of motor load combination
  • load equalization
2
Unit 2

DC Drives

  • Starting of conventional DC drives
  • Braking of conventional DC drives
  • Phase controlled DC drives
  • chopper controlled drives
  • Transient analysis
  • Steady state analysis
  • Energy recovery systems
3
Unit 3

Induction Motor Drives

  • Conventional method of Starting of induction motor
  • braking of induction motor
  • speed control of induction motor
  • PWM
  • (VSI) Voltage source Inverter fed IM drives
  • Current Source (CSI) fed IM drives
  • cyclo converter fed drive
  • Vector control drives
  • Slip Controlled IM Drives
  • Review of Conventional methods & converter controlled drives
  • Crammer [Kramer] drives
  • Scherbius drives
  • rotor impedance control
4
Unit 4

Synchronous Motors Drives

  • VSI fed synchronous motor drives
  • CSI fed synchronous motor drives
  • self-controlled drives
  • Brush less dc motor drives
  • commutatorless dc & ac motor drives
5
Unit 5

Special Drives

  • Fundamentals of Switched reluctance motors
  • Stepper Motors
  • Permanent Magnet Motor
  • Introduction to vector control
  • Digital control of drives
  • Electric traction
  • steel & cement plants
  • textile & paper mills
  • machine tool drive and CNC
  • electric cars

Laboratory Experiments

  • Study the starting and running characteristics of converter fed DC traction motor
  • To study the energy recovery systems and braking of a DC drive
  • To study the braking Methods of a three-phase induction motor
  • To study the performance of VSI fed three-phase induction motor using PWM technique
  • To control the speed of a three phase slip ring Induction motor using rotor impedance control
  • To study the performance of Vector Controlled three phase Induction motor drive
  • To Study frequency Controlled Synchronous motor drive
  • To study the control & performance Characteristics of switched Reluctance motor
  • To study the performance & control of a Stepper motor
  • To Study the Performance of a permanent magnet Brushless dc motor drive

Reference Books

  • A first course on Electrical Drives — S. K. Pillai
  • Electrical Machine Drive — Ned Mohan
  • Power Semiconductor Controlled Drives — G. K. Dubey
  • Fundamentals of Electrical Drives — G. K. Dubey
  • Power Electronics and AC Drives — B. K. Bose
  • Power Electronic Control of AC Motors — M. D. Murphy, F. Tumbuli
  • Power semiconductor Drives — P. V. Rao
  • power semiconductor drive — S. ShivaNagaraju
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