Power Electronics (EE454) Course Detail

Course Name Course Code Season Lecture Hours Application Hours Lab Hours Credit ECTS
Power Electronics EE454 Area Elective 3 2 0 4 5
Pre-requisite Course(s)
(EE210 veya EE234 veya AEE205)
Course Language English
Course Type Elective Courses
Course Level Bachelor’s Degree (First Cycle)
Mode of Delivery Mix
Learning and Teaching Strategies Lecture, Experiment, Question and Answer.
Course Coordinator
Course Lecturer(s)
  • Prof. Dr. Sedat SÜNER
Course Assistants
Course Objectives Getting familiar to the fundamental power electronic semiconductor devices, providing knowledge of how to drive and protect the power electronic semiconductor devices, introducing the basic power electronic circuits where the power switching devices are used, and providing knowledge on the operation principles of them.
Course Learning Outcomes The students who succeeded in this course;
  • Knows the power electronic semiconductor devices, can calculate the power losses and efficiency, can design heatsink for these devices.
  • Knows the switching DC choppers, and can design snubber circuits for the semiconductor devices.
  • Can analyse and design the single and three-phase uncontrolled/controlled rectifiers and calculate harmonics at the input.
  • Knows the switching power supply (SMPS) topologies and can design them.
  • Knows the voltage source single and three-phase inverters and can analyse and design them. Knows the voltage/frequency control techniques. Can calculate input and output harmonics of the inverter.
Course Content Power electronic semiconductor devices, calculation of losses in power semiconductor devices, snubber design, heat sink design, design of snubber circuits, gate drive circuits and isolation, AC choppers, single-phase and three-phase rectifiers, switch mode power supply topologies., inverters.

Weekly Subjects and Releated Preparation Studies

Week Subjects Preparation
1 Introduction to power electronics, related topics. Semiconductor devices: Diode, Thyristor Glance this week’s topics from the course book.
2 Triac, Power Transistor, MOSFET, IGBT, GTO, MCT, SIT, IGCT, MOS turn-off thyristor. Review last week and glance this week’s topics from your course supplements.
3 Calculation of losses in power semiconductor devices; (conduction loss, switching loss). Heat sink design. Design of snubber circuits. Review last week and glance this week’s topics from your course supplements
4 Gate drive circuits and isolation. Single phase AC choppers. Review last week and glance this week’s topics from your course supplements.
5 Switch mode power supplies: Theory and types. Flyback converter Review last week and glance this week’s topics from your course supplements.
6 Buck converter. Boost converter. Review last week and glance this week’s topics from your course supplements.
7 Rectifiers. Single phase uncontrolled (diode) bridge rectifiers. Review last week and glance this week’s topics from your course supplements.
8 Smoothing methods. Power factors. Single phase controlled (thyristor) bridge rectifiers. Review all topics up to this point
9 Analysis of Three phase half-bridge uncontrolled(diode) / controlled (Thyristor) rectifiers. Review last week and glance this week’s topics from your course supplements.
10 Midterm examination Review last week and glance this week’s topics from your course supplements.
11 Freewheeling operation. Three phase full-bridge uncontrolled (diode) rectifiers. Review last week and glance this week’s topics from your course supplements.
12 Characteristics of the line current. Three phase full-bridge controlled (Thyristor) rectifiers.. Review last week and glance this week’s topics from your course supplements.
13 Midterm examination Review last week and glance this week’s topics from your course supplements.
14 Single Phase Inverter. Modulation index, frequency ratio. Review last week and glance this week’s topics from your course supplements
15 Voltage and frequency control methods of the single-phase inverter. Harmonic analysis of the single phase inverter. Three-phase inverters. Review last week and glance this week’s topics from your course supplements.
16 Final examination Review all topics

Sources

Other Sources 1. Lecture notes: Prof. Dr. Sedat SÜNTER.
Course Book 2. Power Electronics: Circuit, Devices, and Applications. Muhammad H. Rashid, Pearson 2014.
3. Power Electronics Converters, Applications and Design (2ed) by Mohan, Undeland and Robbins, Wiley publishing.

Evaluation System

Requirements Number Percentage of Grade
Attendance/Participation - -
Laboratory 4 20
Application - -
Field Work - -
Special Course Internship - -
Quizzes/Studio Critics - -
Homework Assignments - -
Presentation - -
Project - -
Report - -
Seminar - -
Midterms Exams/Midterms Jury 1 10
Final Exam/Final Jury 2 70
Toplam 7 100
Percentage of Semester Work
Percentage of Final Work 100
Total 100

Course Category

Core Courses X
Major Area Courses
Supportive Courses
Media and Managment Skills Courses
Transferable Skill Courses

The Relation Between Course Learning Competencies and Program Qualifications

# Program Qualifications / Competencies Level of Contribution
1 2 3 4 5
1 Possesses sufficient knowledge in mathematics, natural sciences, and discipline-specific topics in Electrical and Electronics Engineering; uses this theoretical and practical knowledge to solve complex engineering problems. X
2 Identifies, defines, formulates, and solves complex engineering problems; selects and applies appropriate analytical and modeling methods for this purpose. X
3 Designs complex systems, processes, devices, or products under realistic constraints and conditions to meet specific requirements; applies modern design methods for this purpose. (Realistic constraints and conditions may include factors such as economy, environmental issues, sustainability, manufacturability, ethics, health, safety, social and political issues, depending on the nature of the design.) X
4 Selects and uses modern techniques and tools necessary for the analysis and solution of complex problems encountered in engineering applications; effectively uses information technologies. X
5 Designs experiments, conducts tests, collects data, analyzes, and interprets results to investigate complex engineering problems or discipline-specific research topics. X
6 Works effectively in disciplinary and interdisciplinary teams; develops the ability to work independently. X
7 Communicates effectively in both written and verbal forms; possesses proficiency in at least one foreign language; writes effective reports, understands written reports, prepares design and production reports, delivers effective presentations, and gives and receives clear instructions.
8 Recognizes the need for lifelong learning; accesses information, follows developments in science and technology, and continuously renews oneself.
9 Acts in accordance with ethical principles, assumes professional and ethical responsibility, and possesses knowledge about the standards used in engineering practices.
10 Possesses knowledge about professional practices such as project management, risk management, and change management; gains awareness of entrepreneurship and innovation; understands the principles of sustainable development. X
11 Understands the universal and societal impacts of engineering practices on health, environment, and safety; recognizes the contemporary issues reflected in the field of engineering and understands the legal implications of engineering solutions. X

ECTS/Workload Table

Activities Number Duration (Hours) Total Workload
Course Hours (Including Exam Week: 16 x Total Hours) 14 3 42
Laboratory 4 3 12
Application
Special Course Internship
Field Work
Study Hours Out of Class 14 3 42
Presentation/Seminar Prepration
Project
Report
Homework Assignments
Quizzes/Studio Critics
Prepration of Midterm Exams/Midterm Jury 2 6 12
Prepration of Final Exams/Final Jury 1 18 18
Total Workload 126