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 SÜNTER
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 Review last week and glance this week’s topics from your course supplements.
7 Boost converter. Review last week and glance this week’s topics from your course supplements.
8 Rectifiers. Single phase uncontrolled (diode) bridge rectifiers. Review last week and glance this week’s topics from your course supplements.
9 Smoothing methods. Power factors. Single phase controlled (thyristor) bridge rectifiers. Review all topics up to this point
10 Analysis of Three phase half-bridge uncontrolled(diode) / controlled (Thyristor) rectifiers. 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 Single Phase Inverter. Modulation index, frequency ratio. Review last week and glance this week’s topics from your course supplements
14 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.
15 Final examination Review all topics

Sources

Course Book 1. Lecture notes: Prof. Dr. Sedat SÜNTER (on course Moodle page)
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.
Other Sources 4. Power Electronic Control of AC Motors, JMD Murphy & FG Turnbull, Pergamon Press, 1988.

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 2 40
Final Exam/Final Jury 15 1
Toplam 21 61
Percentage of Semester Work 60
Percentage of Final Work 40
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 Engineering Knowledge: Knowledge in mathematics, science, fundamental engineering, computational science, and related engineering disciplines; the ability to apply this knowledge to solve complex engineering problems.
2 Problem Analysis: The ability to identify, formulate, and analyze complex engineering problems using fundamental science, mathematics, and engineering knowledge, while keeping in mind the relevant UN Sustainable Development Goals.
3 Engineering Design: The ability to design creative solutions to complex engineering problems; the ability to design complex systems, processes, devices, or products to meet current and future requirements, taking into account realistic constraints and conditions.
4 Techniques and Tool Usage: The ability to select and use appropriate techniques, resources, and modern engineering and information tools, including estimation and modeling, for the analysis and solution of complex engineering problems, while being aware of their limitations.
5 Research and Investigation: The ability to use research methods, including literature review, experimental design, experiment execution, data collection, analysis and interpretation of results, for the investigation of complex engineering problems. X
6 Global Impact of Engineering Applications: Information about the impacts of engineering applications on society, health and safety, the economy, sustainability and the environment within the framework of the UN Sustainable Development Goals; awareness of the legal consequences of engineering solutions. X
7 Engineering Ethics: Awareness of ethical responsibility and adherence to engineering professional principles; impartiality and inclusivity without discrimination.
8 Individual and Teamwork: The ability to work effectively individually and as a team member or leader in interdisciplinary and multidisciplinary teams (face-to-face, remote, or mixed).
9 Oral and Written Communication: The ability to communicate effectively orally and in writing on technical topics, taking into account the diverse differences of the target audience (education, language, profession, etc.).
10 Project Management: Knowledge of business practices such as project management and economic feasibility analysis; awareness of entrepreneurship and innovation.
11 Lifelong Learning: Lifelong learning skills encompassing the ability to learn independently and continuously, adapt to new and emerging technologies, and think critically about technological changes. X

ECTS/Workload Table

Activities Number Duration (Hours) Total Workload
Course Hours (Including Exam Week: 16 x Total Hours) 16 3 48
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 132