ECE 464 Power Electronics
Fall 2007 Web Page
 | Professor: Philip Krein Email: Prof. Krein Office Hours: Wednesdays 3-5 pm or by appointment, 347 Everitt Lab |
| TA: Tim O'Connell Email: tcoconne AT uiuc.edu Office hours: Thursdays 2-4 pm, 50 Everitt Lab |
Announcements --
8/17/07 Welcome to ECE 464
8/27/07 Tim's office hours this week have been moved to Tuesday, 1-3PM, 50 Everitt Lab
They will revert to the normal schedule next week.
9/06/07 Tim will be out of town and will not hold TA office hours on Thursday, September 13th. Prof. Krein's office hours for the week will be held Thursday, Sept. 13 from 8am to 9:30am. He will also be available right after class on Sept. 12.
9/12/07 Notes from the 9/10
session are posted here.
10/12/07 Take note of the new office address for Prof. Krein.
10/24/07 The date for Test #2 is Monday, November 5. According to the posted campus exam schedule, the Final Exam will be held Monday, December 10, from 8am to 11am. We have a larger room: 106B1 Engr. Hall.
11/9/07 Prof. Krein will NOT be holding regular office hours on 11/14 or 11/28 because of travel commitments. Tim will hold office hours as usual during those weeks.
11/19/07 Powerpoint slides from Wednesday, Nov. 14th and Friday, Nov. 16th classes (magnetic device design) are posted here.
11/26/07 Powerpoint slides from today's (Monday, Nov. 26th) class (magnetic design examples) are posted here
11/28/07 Powerpoint slides from today's (Wednesday, Nov. 28th) class (static switch models) are posted here and a Mathematica notebook file for the boost converter example is here
11/30/07 Powerpoint slides from today's (Friday, Nov. 30th) class (switch commutation losses) are posted here
12/14/07 Course grades are listed by codes in this secure area.
Course objectives are posted here.
Exams and Study Guides
| Test #1 will be held in class on Friday, September 28, 2007. Here are past
versions of Test #1:
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| Test #2 will be held in class on Monday, November 5. Here are
past versions of Test #2:
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| The Final Exam will be held Monday, Dec. 10th, 8-11am in 106B1 Engineering
Hall. Here are past versions of the Final Exam:
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Homework and Readings, Solutions, and Reviews
| Please read Chap. 1 of the textbook. |
| Homework assignment #1, due in class Friday, August 31: text problems in Chap. 1: 5, 6, 11, 14. HW1 solution |
| Homework assignment #2, due in class Friday, September 7: text problem 1.13, except use duty ratio D (0<D<1) for the left switch, instead of 50%. What do KVL and KCL require for the right switch? Also, text problems in Chap. 2: 2.3, 2.4, 2.20. HW2 solution |
| Homework assignment #3, due in class Friday, September 14: text problems 2.16, 2.19, 3.1, 3.8. HW3 solution |
| Homework assignment #4, due in class Friday, September 21: text problems 3.6 and please show the complete circuit with the storage devices in place, 3.10, 3.12, 3.19 and please include a waveform plot. HW4 solution |
| Homework assignment #5, due in class Friday, October 12th: text problems 4.18, 5.3, 5.11, 5.13. Readings through section 5.7. HW5 solution |
| Homework assignment #6, due in class Friday, October 19th: text problems 5.19, 6.8, 6.10, 6.17. Readings for the coming week will be through section 6.5. Additional hint: Some of the key points in Section 6.7 might help you if you are having trouble following Problem 6.10. HW6 solution |
| Homework assignment #7, due in class Friday, October 26: text
problems 6.16, 6.18, 6.19, 9.5, and the following: A certain hybrid electric vehicle uses 6 kW of propulsion power at its axle at 35 mph. The efficiency of the electric motor and mechanical drive train combined is 90%. The efficiency of the inverter at this output level is 95%. The car is designed to have a certain amount of electric-only range. The requirement is that at 35 mph, it should be able to travel 5 miles while depleting the batteries no more than 20%. What is the nominal battery energy storage requirement, in kW-h, for this situation? Readings for the coming week include sections 6.8, 7.8, 9.1, and 9.2. HW7 solution |
| Homework assignment #8, due in class Friday, November 2. Linked here. HW8 solution |
| Homework assignment #9, due in class Friday, November 16: Text problems 10.16, 11.1, 11.8, 11.20. HW9 solution |
| Reading: You should have completed chapters 10 and 11. We will be starting Chapter 12, and should be through section 12.5 before the holiday. |
| Homework assignment #10, due in class Monday, December 3, 2007: Text problems 12.1, 12.4, 12.9, 13.2. HW10 solution |
Other Material
Last updated on 12/14/2007
