ECEN 5807 Modeling and Control of Power Electronics Systems

Spring 2007

Announcements:

• (5/08) Solutions to HW8, HW9 (partial) and HW11 have been posted.
• (5/04) On-campus students: final exam is handed out in class on Friday, May 04. The exam is due by 9am on Thursday, May 10 in the instructor's office, OT346.
• (5/04) Off-campus students: upon completion of HW11, please request the final exam by email. The exam is due 6 days after the receipt of the final exam. All off-campus work must be received by Friday, May 18.
• (4/23) For on-campus students Homework 11 is due on Friday, May 4 in class. See the calendar page. For off-campus students the due date is one week later.
• (4/23) No office hours in the week of April 23-April 27. Meeting can be arranged by appointment only.
• (4/15) For on-campus students Homework 10 is due on Friday, April 20 in class. See the calendar page. For off-campus students the due date is one week later.
• (4/06) For on-campus students Homework 9 is due on Friday, April 13 in class. See the calendar page. For off-campus students the due date is one week later.
• (4/03) In HW8, if you have convergence problems in simulations of the closed-loop CPM-controlled buck, you can try replacing the CCM-DCM1 switch model with CCM1.
• (4/03) An error has been corrected in the switch library file. The corrected switch.lib has been posted on the textbook PSpice page
• (3/25) For on-campus students Homework 8 is due on Friday, April 6 in class. See the calendar page. For off-campus students the due date is one week later.
• (3/25) switch.lib and several circuit netlist files have been updated on the textbook PSpice page
• (3/23) Calendar page has been updated with homework due dates through the end of the semester. Homework 8 will be due on Friday, April 6.
• (3/19) Office hours on Tuesday, March 19 moved to 1-2pm.
• (3/11) For on-campus students Homework 7 is due on Monday, March 19 in class. See the calendar page. For off-campus students the due date is one week later.
• (3/06) Lectures on current-programmed control, also known as current-mode control (Chapter 12) start on Wednesday, March 7. The lectures will follow a slightly different approach compared to Chapter 12. For taking notes, the updated lecture slides are posted on the course calendar page.
• (3/05) Materials on sampled-data modeling have been added. I will be updating this page with additional materials.
• (3/05) Office hours during the week of March 5-9: Wednesday and Thursday 12-1pm.
• (2/24) For on-campus students Homework 6 is due on Monday, March 5 in class. See the calendar page. For off-campus students the due date is one week later.
• (2/19) Additional feedback theorem notes have been posted for your reference.
• (2/17) The instructor will be away on a trip from 2/25 to 3/1. There will be no office hours during this time. The lectures on Monday, February 26 and Wednesday, February 28 will be previosly taped lectures.
• (2/17) Midterm exam, covering the materials up to and including the lecture on February 28 and Homeworks 1-6, will be handed out in class on Monday, March 5 for on campus students. This is a one-week, take-home exam. Off-campus students should request the exam upon completion of Homework 6.
• (2/17) For on-campus students Homework 5 is due on Monday, February 26 in class. See the calendar page. For off-campus students the due date is one week later.
• (2/10) For on-campus students Homework 4 is due on Monday, February 19 in class. See the calendar page. For off-campus students the due date is one week later.
• (2/06) Circuit symbols and an example using switch.lib models for use with Cadence Capture schematic editor (i.e. Design Entry CIS) have been added to the textbook PSpice page.
• (2/05) Updated office hours: Tuesday 9-11am, Thursday 9:30-10:30am.
• (2/05) For on-campus students Homework 3 is due on Monday, February 12 in class. See the calendar page. For off-campus students the due date is one week later.
• (1/29) For on-campus students Homework 2 is due on Monday, February 5 in class. See the calendar page. For off-campus students the due date is one week later.
• (1/22) For on-campus students Homework 1 is due on Monday, January 29 in class. See the calendar page. For off-campus students the due date is one week later.
• (1/16) Please take a look at the course syllabus and vitals.
• (1/16) Off-campus and on-campus students registered for the course can view the lectures on-line. Go to the portal: http://caeteport.colorado.edu or http://cuanywhere.colorado.edu and enter the email address you use to register for courses; leave the password blank; in the next step you will be asked to choose the password for future use. 
• (1/16) The lectures are MWF 1-1:50pm in the CAETE studio room ECCS 1B28. The first lecture will be on Wednesday, January 17.

Power Electronics Program at the University of Colorado, Boulder

Courses in Power Electronics

Introduction to Power Electronics ECEN4797/5797 (formerly Power Electronics 1)

Use of time-varying switched networks to condition and control electrical power. An introduction to converters, modeling, control, and magnetics design. Covers Chapters 1-9 and 13-15 of the text. A one-semester course with 10 to 12 in-depth homework assignments and midterm and final exams. The course is also currently offered to seniors as ECEN4797, with simpler assignments. Normally offered each fall. Course web site.

Modeling and Control of Power Electronics Systems ECEN5807 (formerly Power Electronics 2)

Advanced modeling and control topics in power electronics, and power factor corrected supplies. Covers Chapters 10-12 and 16-18 of the text, as well as Appendices B and C and supplementary notes available on the web. Averaged switch modeling of converters, ac modeling of the discontinuous conduction mode, the current programmed mode, null double injection techniques in linear circuits, input filter design, harmonics in power systems, and low-harmonic rectifiers. A one-semester course with 10-12 in-depth homework assignments and midterm and final exams. Offered in alternate springs, beginning Spring 1999. Course web page

Resonant and Soft-Switching Techniques in Power Electronics ECEN5817 (formerly Power Electronics 3)

Resonant and soft-switching techniques. Covers Chapters 19-20 of the text, as well as supplementary notes available on the web. Resonant converters and inverters, and soft switching. Approximate frequency-domain methods, and "exact" time-domain (state-plane) analysis methods. Up-to-date zero-voltage switching techniques for dc-dc converters. A one-semester course with 10-12 in-depth homework assignments, and midterm and final exams. Offered in alternate springs, beginning Spring 2000. Course web page

Power Electronics Lab ECEN4517/5517

Introduction to practical techniques of power electronics. Duty-cycle control of dc-dc converters, including basic controller circuits, gate drivers, power stage components, magnetics design, and small-signal frequency response. Current-mode control, snubber design, flyback transformer design. Principles of grounding and layout. Printed-circuit board design. The course culminates in a design project involving a stand-alone solar power system. Offered in spring semesters. Course web page

Colorado Power Electronics Center

CoPEC web site

Professional Certificate in Power Electronics offered to students who complete ECEN5797, ECEN5807 and ECEN5817

Certificate information