University of Colorado at Boulder
University of Colorado at Boulder Search A to Z Campus Map CU Search Links
ECE Home

ECEE Courses

Course List
Contact Us

ECEN 4797 - Introduction to Power Electronics

Catalog Data ECEN 4797 (3). Introduction to Power Electronics. An introduction to switched-mode converters. Includes steady-state converter modeling and analysis, switch realization, discontinuous conduction mode, and transformer-isolated converters. AC modeling of converters using averaged methods, small-signal transfer functions, feedback loop design, and transformer design.
Credits and Design 3 credit hours. Selected elective course.
Prerequisite(s) ECEN 3250, Microelectronics.
Restricted to junior and senior engineering majors.
Corequisite(s) None.
Instructor(s) Robert Erickson, Dragan Maksimovic, Regan Zane.
Textbook Robert W. Erickson and Dragan Maksimovic, Fundamentals of Power Electronics, 2nd Edition, Springer, 2001, ISBN-13 978-0-7923-7270-7.
Course Objectives For students to:
  1. Understand the concepts and basic operation of efficient switched-mode power conversion, including basic circuit operation and magnetics design.
  2. Understand how to analyze and model steady-state converter operation, switch realization, and continuous/discontinuous operation modes for converters with and without transformer isolation.
  3. Understand dynamic ac modeling of converters using averaging techniques, small signal transfer functions, and classical feedback loop design.
  4. Understand how to analyze and model design techniques related to magnetic components in switched-mode power converters.
Learning Outcomes After taking this course students will be able to recognize and use the following concepts, ideas, and/or tools:
  1. Steady-State Analysis of switched-mode dc-dc power converters.
  2. Design of Switched-Mode Converters, including selection of component values based on steady-state dc and ac ripple specifications.
  3. Small-Signal ac Model Development and Analysis for switched-mode dc-dc converters using averaging techniques, including the derivation and visualization of converter small-signal transfer functions.
  4. Analysis and Design of Control Loops around switched-mode power converters using averaging small-signal dynamic models and classical control theory.
  5. Analysis, Modeling, and Design of Inductors and Transformers for switched-mode power converters.
Student Outcomes
3a 3b 3c 3d 3e 3f 3g1 3g2 3h 3i 3j 3k
Design Teams Engr
Oral Written Engr Solns
H   M   M             L
Topics Covered
  1. Introduction
  2. Principles of steady-state converter analysis
  3. Steady-state equivalent circuit modeling, losses, and efficiency
  4. Switch realization
  5. The discontinuous conduction mode
  6. Converter circuits
  7. AC Equivalent circuit modeling
  8. Converter transfer functions
  9. Controller design
  10. Basic magnetics theory
  11. Inductor design
  12. Transformer design
  13. Layout and grounding principles

Last revised: 05-14-11, PM, ARP.