Summary

This course covers a wide range of topics in power electronics including: power semiconductor devices with emphasis on their operating characteristics, power converter topologies for ac-to-dc, dc-to-dc, dc-to-ac and ac-to-ac conversions, multi-converters and multi-level converters, control techniques in power converters, modeling of power converters, applications of power converters, converter design aspects (snubber circuits, gate/base-drive circuits, thermal management, series/parallel combinations of switches), and computer simulation of power electronic systems.

Objectives

  1. Understand operating characteristics of power semiconductor devices.
  2. Learn converter topologies, control techniques, and applications.
  3. Learn modeling and design aspects of converters.
  4. Use power electronic simulation packages.

Course prerequisites

Basic understanding of circuit analysis and control theory is required. Familiarity with electric machinery and power systems is desirable.

Main topics and delivery plan

  1. Power Semiconductor Devices
  2. Power Converter Topologies and Control Techniques
  3. Modeling and Design Aspects of Power Converters
Lectures Topic Sub-Topics
3 Introduction to Power Electronics
  • Evolution and Scope
  • Potential Applications
  • Generic Power Converter Topologies
3 Waveform Quality
  • Waveform Distortion and Harmonics
  • Fourier Analysis
  • Waveform quality indices- total harmonic distortion, harmonic factor, crest factor and form factor, power factor
3 Power Semiconductor Devices
  • Diodes
  • SCR (Thyristor)
  • Controllable Switches- Types, Characteristics, Voltage- and Current-Controlled Switches, Positive / Negative Temperature Coefficient, Comparison
3 Computer Simulation of Power Electronic Systems
  • Introduction to Power Electronic Circuit Simulation
  • Introduction to a Standard Simulation Package
21 Power Converter Topologies, Design, Modeling and Control Techniques
  • Line-Frequency Diode Rectifiers- Single-Phase and Three-Phase, Applications
  • Line-Frequency Phase-Controlled Converters- Single-Phase and Three-Phase, Applications
  • DC/DC Converters- Topologies, Control Techniques: Hysteresis, Pulse-Width Modulation, Phase-Shift Modulation, Modeling, Applications
  • DC/AC Converters (Inverters)- Voltage- and Current-Sourced Topologies, Control Techniques: Hysteresis, Pulse-Width Modulation, Space Vector Modulation, Square-Wave Control, Selective Harmonic Elimination, Modeling, Multi- and Multi-Level Converters, Applications
  • AC/AC Converters- Rectifier-Inverter Pair Topology, Naturally-Commutated Cyclo-converter, Matrix Converter, Applications
3 Design of Power Converter Accessories
  • Snubber Circuits
  • Gate/Base-Drive Circuits
  • Thermal Management
  • Series/Parallel Switch Combination

References

  1. Mohan, Undeland and Robbins, Power Electronics: Converters, Applications, and Design, 3rd Edition, John Wiley and Sons, Inc., 2003.
  2. M.H. Rashid, Power Electronics: Circuits, Devices, and Applications, 3rd Edition, Pearson-Prentice Hall, 2003.
  3. Conference and Journal papers.
  4. Course Notes.

Contact

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