ECE 431
ELECTRIC MACHINERY
SPRING 2008
Instructor: Philip
Krein Lab TAs: Rodney
Yeu, Jonathan Sander, Andy Friedl
347
EL 336
EL
Course Text: A. E. Fitzgerald, Charles Kingsley Jr., and Stephen D. Umans, Electric Machinery,
6th
Edition, McGraw-Hill,
Additional notes from P. T. Krein, P. L. Chapman, Electromechanics:
The Science and Engineering of Electrical Forces and Motion, now in preparation.
Lab Manual: P.W.
Sauer, P.T. Krein, and P. L. Chapman, "ECE 431 Electric Machinery Course
Guide and Laboratory Information” provided
courtesy of the Power Affiliates Program.
Schedule: Lecture
11:00am MWF, 241 EL, Labs Wednesday 12-3, Thursday 10-1 and 2-5, 50 EL
LABORATORY
SCHEDULE
Week Laboratory (Thursday dates)
1
Jan 17 Orientation demonstrations
2
Jan 24 Exp #1 (Three-phase)
3
Jan 31
Exp #2 (Transformers)
4
Feb 7 Exp #3 (Stepper motors)
5
Feb 14 Exp #4 (Induction machines 1)
6
Feb 21 Exp #5 and #6 (Induction machines 2,
3)
7 Feb 28 Exp #7 (Synchronous machines 1
8 Mar 6 Engineering Open House; Exp. #8
9 Mar 13 Exp #9 (Brushless dc machines)
10
Mar 20 Spring break - no class
11
Mar 27 Exp #10 (Dc machines 1)
12 Apr 3 Field trip!
13
Apr 10 Exp #11 (DC machines 2)
14
Apr 17 Exp #12 (
15 Apr 24 Project presentations*
*These are tentative. We may add material on axial machines in week 14 and defer presentations to April 30.
CLASSROOM SCHEDULE
The tentative classroom schedule includes: Test #1, Monday, February 25, 2007.
Test #2, Monday, April 7, 2007
The Final Examination will be held according to the established campus schedule, 8am to 11am on Saturday, May 3, 2008.
ECE 431 introduces devices and methods for electromechanics and electromechanical energy conversion. The emphasis is on rotating machines, although static concepts such as transformers and power factor correction apparatus are also covered. The course includes 12 laboratory experiments. A one-day field trip to an electric utility or an electrical equipment manufacturer is planned. In addition, each student laboratory group is asked to research and report on some subject in electric power germane to course material and to the field trip.
ECE
431 class information continued
It is difficult to make up missed labs.
Attendance is expected at laboratory sessions and classroom sessions. In special cases, such as illness, labs can
be made up. In other cases, makeup
sessions cannot be guaranteed. Please
inform your instructor, in advance if at all possible, if you must miss a
session so that provision can be made for that session.
Homework: Eight to ten problem sets are normally
assigned during the term. The usual
schedule provides one week for completion of each homework set.
Lab reports: Individual reports are required for each
experiment. A description of report
expectations is given below. Reports are
due one week after the scheduled experiment session.
Pre-labs: Short assignments designed to help
prepare you for the specific laboratory work will be given in the class prior
to each experiment, and are due at the beginning of the respective lab session.
Projects: This consists
of an oral presentation and written report.
There are two hour exams and a final examination during the term.
In fairness to all students, and to allow some leeway for those needing
extra time, credit will be deducted from late assignments as follows:
Homework: 10% per calendar day, except that no
credit is given after in-class presentation of the solution.
Lab reports: 10% per calendar day.
Prelabs: Due at the start of the lab session. Late assignments are not accepted.
Final grades will be determined according to the following breakdown:
|
Laboratory reports |
30% |
|
Group projects |
5% |
|
Homework sets |
10% |
|
Pre-lab quizzes, |
5% |
|
Two hour exams |
30% |
|
Final exam |
20% |
|
|
100% |
|
A |
88% and up |
A- 88%-90% |
|
B |
78% to 87% |
B+ 85-87%, B- 78-80% |
|
C |
67% to 77% |
C+ 75-77%, C- 67-69% |
|
D |
55% to 65% |
D+ 64-66%, D- 55-57% |
|
F |
Below 55% |
|