Summary

This course covers a wide range of topics in electric machines and motor drives including review of power electronic converter topologies, models and control techniques, review of electro-magnetic, dc machine structure, types and principles of operation, dc motor torque/speed characteristic, model, start-up and speed control techniques, synchronous machine structure and principles of operation, synchronous generator synchronization, loading and active and reactive power control, synchronous motor torque/speed characteristic, model, start-up and speed control techniques, induction machine structure and principles of operation, induction motor torque/speed characteristic, model, start-up and speed control techniques, single-phase induction motors, switched-reluctance motor structure, principles of operation and speed control, brushless dc motor structure, principles of operation and speed control, step motor structure, principles of operation and speed/position control, simulation of variable-speed drives, simulation tools, and industrial applications of motor drives.

Objectives

  1. Understand structure and operating principles of electric machines.
  2. Learn speed control of dc and ac motors based on power electronic converters.
  3. Learn modeling and simulation of variable-speed motor drives.

Course prerequisites

Basic understanding of circuit analysis, power electronics and control theory.

Main topics and delivery plan

  1. Principles of Operation and Control of Electric Machines
  2. Application of Power Electronic Converters in Speed Control of DC and AC Motors
  3. Modeling and Simulation of Variable-Speed Drives.
Lectures Topic Sub-Topics
3 Review of Power Electronic Converters
  • Converter Topologies
  • Converter Models
  • Converter Control Techniques
3 Review of Electromagnetic
  • Magnetic Field
  • Hysteresis and Eddy Currents
  • Faraday’s Law
  • Lorentz Law
6 DC Machines
  • Structure
  • Principles of Operation of DC Motor and Generator
  • DC Motor- Types, Torque/Speed Characteristic, Equivalent Circuit and Model, Start-up, Speed Control using Power Electronic Converters, Simulation of DC Motor Drives, Applications
9 Synchronous machines
  • Structure
  • Principles of Operation
  • Synchronous Generator- Synchronization, Loading, Active and Reactive Power Control
  • Synchronous Motor- Torque/Speed Characteristic, Equivalent Circuit and Model, Start-up, Speed Control using Power Electronic Converters, Simulation of Synchronous Motor Drives, Applications
9 Induction machines
  • Structure
  • Principles of Operation
  • Three-Phase Induction Motor- Torque/Speed Characteristic, Equivalent Circuit and Model, Start-up, Speed Control using Power Electronic Converters, Simulation of Synchronous Motor Drives, Applications
  • Single-Phase Induction Motors
6 Switched-reluctance motors, bushless dc motors, step motors
  • Structure
  • Principles of Operation
  • Speed Control using Power Electronic Converters
  • Simulation
  • Applications

References

  1. S. Chapman, Electric Machinery Fundamentals, Third Edition, McGraw Hill, 1998.
  2. B.K. Bose, Modern Power Electronics and AC Drives, Prentice Hall, 2001.
  3. Conference and Journal papers.
  4. Course Notes.

Contact

For more information, please contact directly the course coordinator Prof Mehrdad Kazerani.