Northern Arizona University

College of Engineering and Technology

EE 456 - Power Electronics I

Fall 2000

 

 

General Information         

      Instructor: Dr. Marc E. Herniter, Associate Professor

      Office Hours :      See Schedule.

      Office Phone Number : 523-4440

      Office Number : 234 Engineering Building 69

      Department Phone Number : 523-1448

      WEB Address: http://www.cet.nau.edu/meh

E-mail:  Marc.Herniter@nau.edu

Department: Electrical Engineering

College: College of Engineering and Technology

Course Number: EE456  Sequence Number: 40410  Title: Power Electronics I

Semester: Fall 2000

Date Syllabus Prepared: 8/25/00

Credit Hours: 3 Credits:  2 hours Lecture, 3 hours Lab.

Course Meeting Time: MW 11:30 a.m. – 12:20 p.m.             

Final Exam:10:00 a.m. to 12:00 p.m. on 12/13/00  

 

PREREQUISITE: EE388 Electronic Circuits II                                    

 

PREREQUISITE SKILLS [Depth Level (1 through 5):   1 = exposure, 3 =  familiarization, 5 = mastery]

1) Circuit elements R, L, and C. [5]

2) Independent voltage and current sources. [5]

3) Circuit modeling. [4]

4) Operation of BJT and MOSFET devices. [4]

5) Linear power supplies [3]

 

Catalog Description:  Analysis and design  of AC-DC and DC-DC converters. Linear, basic switching, transformer switching, and charge-pump topologies. Power semiconductor devices. 2 hours Lecture, 3 hours Lab

 

Contribution of course to ABET Professional Requirements: 1 hours of engineering science, 2 hour of engineering design.

 

 

Required MATERIALS:

TEXTBOOK: A.I. Pressman, Switching Power Supply Design, Second Edition, Mc Graw-Hill,

 

Lecture Notes: Lecture notes are available from Coyote Copy.

 

 

Recommended optional materials: None.

 

 

Evaluation methods: Your final grade will be based on the following schedule:

 

Homework                              ..........  35%

Lab                                          .......... 35%

Exams (2)                                ..........  30%

 

·       Two exams will be given during the semester. The second exam will be held during the time scheduled for the final.

·       The final has the same weight as the first exam.

·       Your grade will be based on a curve generated at the end of the semester.

 

Course Policies:

 

HOMEWORK:  There will be approximately 10 homework assignments. These assignments should be done independently but it never hurts to consult your colleagues. Homework is due at the beginning of class on the due date. Late homework will not be accepted. Solutions are available  on my web site. The files are downloadable and can be viewed with the Adobe Acrobat Reader.

 

Attendance: Attendance is required.

 

Late Homework: Homework is due at the beginning of class on the specified due date. Late homework will not be accepted.

 

IN CLASS EXAMS: These exams are take-home, open notes, and open brain (your brain only). Expect difficult exams with an average near 50%. You will be required to sign the university honor pledge when you turn in your exam.. These exams are to be done independently. Cheating will result in a grade of "F" for the course and a motion for dismissal from the university.

 

Makeup Exams: Makeup exams will not be given.

 

Final EXAM: 10:00 a.m. to 12:00 p.m. on 12/13/00

 

Plagiarism and cheating: See University policies.

 


 

 

INSTRUCTIONAL PHILOSOPHY: Topics will be covered in three levels: Theoretical analysis, simulation, and laboratory verification. The following synthesis procedure is used to gain an understanding of circuits covered in the class:  The theoretical analysis of the circuit is covered to understand the operation of the circuit or to design a circuit. Circuit simulation using industry standard analysis tools are used to verify the theoretical analysis or circuit design. If the simulations agree with theoretical analysis, the circuit is constructed in the lab. Measurements of the circuit performance are made and compared to the theoretical calculations and simulation results.

 

 

INSTRUCTIONAL OBJECTIVES/OUTLINE  [Depth Level (1 through 5):   1 = exposure, 3 =  familiarization, 5 = mastery]

 

1.   Linear DC Supplies [4]

Half-wave, full-wave, and 3-phase rectifier circuits

Zener Regulator Circuits

Pass Transistor regulators

OPAMP-Pass Transistor regulators

 

2.   Buck DC-DC Converter Topology [3]

Circuit Analysis

Energy Analysis

Circuit Simulation

Continuous and Discontinuous Modes of Operation

Capacitor Selection

3.   Boost DC-DC Converter Topology [3]

Circuit Analysis

Energy Analysis

Circuit Simulation

Continuous and Discontinuous Modes of Operation

Capacitor Selection

 

4.   Cuk Converter Topology [3]

Circuit Analysis

Energy Analysis

Circuit Simulation

Continuous Mode of Operation

 

5.   Components and Devices [3]

MOSFETS

IGBT's

PWM Control Integrated Circuits

Diodes

Inductors

Capacitors

Gate Drivers

 

6.   Charge Pumps [3]

Inverting Topology

Voltage Doubling Topology

Circuit Analysis

Circuit Simulation

 

7.   Flyback Converter Topology [3]

Circuit Analysis

Energy Analysis

Circuit Simulation

 

8.   Transformer Topologies [2]

Forward 

Half-Bridge

Full-Bridge

Push-Pull

Current-Mode 

Current Fed

 

 

 

 


 

 

 

NORTHERN ARIZONA UNIVERSITY

 

SAFE ENVIRONMENT POLICY

 

NAU’s Safe Working and Learning Environment Policy seeks to prohibit discrimination and promote the safety of all individuals within the university.  The goal of this policy is to prevent the occurrence of discrimination on the basis of sex, race, color, age, national origin, religion, sexual orientation, disability, or veteran status and to prevent sexual harassment, sexual assault, or retaliation by anyone at this university.

 

You may obtain a copy of this policy from the college dean’s office.  If you have concerns about this policy, it is important that you contact the departmental chair, dean’s office, the Office of Student Life (523-5181), the academic ombudsperson (523-9368), or NAU’s Office of Affirmative Action (523-3312).

 

STUDENTS WITH DISABILITIES

 

If you have a learning and/or physical disability, you are encouraged to make arrangements for class assignments/exams so your academic performance will not suffer because of a disability or handicap.  If you have questions about special provisions for students with disabilities, contact the Counseling and Testing Center (523-2261).

 

It is your responsibility to register with the Counseling and Testing Center.  Applications for services should be made at least eight weeks before the start of the semester.  If the Counseling and Testing Center verifies your eligibility for special services, you should consult with your instructor during the first week in the semester so appropriate arrangements can be made.  Concerns related to noncompliance with appropriate provisions should be directed to the Disability Support Services coordinator in the Counseling and Testing Center.

 

INSTITUTIONAL REVIEW BOARD

 

Any study involving observation of or interaction with human subjects that originates at NAU - including a course project, report, or research paper - must be reviewed and approved by the Institutional Review Board (IRB) for the protection of human subjects in research and research-related activities. 

 

The IRB meets once each month.  Proposals must be submitted for review at least fifteen working days before the monthly meeting.  You should consult with your course instructor early in the course to ascertain if your project needs to be reviewed by the IRB and/or to secure information or appropriate forms and procedures for the IRB review.  Your instructor and department chair or college dean must sign the application for approval by the IRB.  The IRB categorizes projects into three levels depending on the nature of the project: exempt from further review, expedited review, or full board review.  If the IRB certifies that a project is exempt from further review, you need not resubmit the project for continuing IRB review as long as no modifications in the exempted procedures.

 

A copy of the IRB Policy and Procedures Manual is available in each department’s administrative office and each college dean’s office.  If you have questions, contact Carey Conover, Office of Grant and Contract Services, at 523-4889.

 

ACADEMIC INTEGRITY

 

The university takes an extremely serious view of violations of academic integrity.  As members of the academic community, NAU’s administration, faculty, staff and students are dedicated to promoting an atmosphere of honesty and are committed to maintaining the academic integrity essential to the educational process.  Inherent in this commitment is the belief that academic dishonesty in all forms violates the basic principles of integrity and impedes learning.  Students are therefore responsible for conducting themselves in an academically honest manner.

 

Individual students and faculty members are responsible for identifying instances of academic dishonest.  Faculty members then recommend penalties to the department chair or college dean in keeping with the severity of the violation.  The complete policy on academic integrity is in Appendix F of NAU’s Student Handbook.

 

ACCOMMODATION OF RELIGIOUS OBSERVANCE AND PRACTICE

 

No employee, agent, or institution under the jurisdiction of the Arizona Board of Regents, shall discriminate against any student, employee, or other individual, because of such individual's religious belief or practice or any absence thereof.  Furthermore, administrators and faculty members are responsible to reasonably accommodate individual religious practices.  A refusal to accommodate is justified only when undue hardship would result from each available alternative of reasonable accommodation.

 

No administrator or faculty member shall retaliate or otherwise discriminate against any student, employee or prospective employee because that individual has sought a religious accommodation pursuant to this policy.  (excerpt from 1998-2000 Student Handbook, p. 43)

 

 

 

 

 

MEDICAL INSURANCE COVERAGE FOR STUDENTS

 

The University’s self-insurance plan does not provide medical coverage to students if injured while participating in University-related activities or academic programs. Students are strongly encourage to obtain medical/health insurance prior to participation through their parent’s health insurance plan or by purchasing insurance (such as the Blue Cross/Blue Shield package offered through Fronske Health Center.)

 

CLASSROOM MANAGEMENT

 

Membership in the academic community places a special obligation on all members to preserve an atmosphere conducive to a safe and positive learning environment.  Part of that obligation implies the responsibility of each member of the NAU community to maintain an environment in which the behavior of any individual is not disruptive.

 

It is the responsibility of each student to behave in a manner which does not interrupt or disrupt the delivery of education by faculty members or receipt of education by students, within or outside the classroom.  The determination of whether such interruption or disruption has occurred has to be made by the faculty member at the time the behavior occurs.  It becomes the responsibility of the individual faculty member to maintain and enforce the standards of behavior acceptable to preserving an atmosphere for teaching and learning in accordance with University regulations and the course syllabi.

 

At a minimum, students will be warned if their behavior is evaluated by the faculty member as disruptive.  Serious disruptions, as determined by the faculty member, may result in immediate removal of the student from the instructional environment.  Significant and/or continued violations may result in an administrative withdrawal from the class.  Additional responses by the faculty member to disruptive behavior may include a range of actions from discussing the disruptive behavior with the student to referral to the appropriate academic unit and/or the Office of Student Life for administrative review, with a view to implement corrective action up to and including suspension or expulsion.

 

IMPORTANT EVACUATION INFORMATION

 

When the fire alarm rings, everyone must evacuate the building.  It is a misdemeanor, punishable by a fine, to not adhere to this regulation.  Also the fire alarm is never to be turned off by anyone other than official representatives of the NAU Police Department or the Flagstaff Fire Department.  Be forewarned that we will be subject to fire drills from time-to-time.

 

WHEN A FIRE ALARM IS ACTIVATED

 

1.       Proceed to the nearest EXIT.  FOLLOW DIRECTIONS OF EMERGENCY PERSONNEL.

2.       Feel the top of the door, if it is hot, or smoke is visible, do not open.

3.       Do not attempt to save possessions at the risk of personal injury.

4.      DO NOT USE ELEVATORS.

5.       DO NOT BREAK WINDOWS.  Oxygen feeds fires.

6.       Stay low if moving through smoke.

7.      CLOSE AS MANY DOORS AS POSSIBLE BETWEEN YOU AND THE FIRE.

8.       ALL fires, regardless of size, must be reported to the University Policy 3-3000.

 

EVACUATION

 

1.       If safe, secure vital records and shut down electrical equipment.

2.       Proceed to your predetermined exit or alternate exit if necessary.  Shut all doors as you leave.

3.       The Floor Monitor is responsible for ensuring that all staff and visitors evacuate the area.

4.       Assist disabled students, employees or visitors.

5.       Proceed quietly and orderly.

6.      DO NOT USE ELEVATORS.

7.       DO NOT OPEN DOOR if hot or if smoke is present.

8.       Once outside, assemble at a designated area away from any entrances or exits.

 

EVACUATION OF PERSONS WITH DISABILITIES

 

It is very likely that evacuations will involve disabled individuals.  The following will be helpful in safe evacuation and communication during an emergency.

 

Above all else, involve the individual.  They are the experts on their own disabilities, and how best to move them out of a building in an emergency.  Make sure he/she understands what is happening, and what procedure must be followed.  Many disabled people are vulnerable to respiratory complications - remove them from smoke or fumes immediately.