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| EEE3021 | Power Electronic Circuits | 3+0+2 | ECTS:5 | | Year / Semester | Fall Semester | | Level of Course | First Cycle | | Status | Compulsory | | Department | DEPARTMENT of ELECTRICAL and ELECTRONICS ENGINEERING | | Prerequisites and co-requisites | None | | Mode of Delivery | | | Contact Hours | 14 weeks - 3 hours of lectures and 2 hours of laboratory per week | | Lecturer | Dr. Öğr. Üyesi Yahya DANAYİYEN | | Co-Lecturer | Prof. Dr. Halil İbrahim Okumuş | | Language of instruction | | | Professional practise ( internship ) | None | | | | The aim of the course: | | The aim of this course is to enable students to learn the fundamental concepts of power electronics, understand the operating principles of single-phase and three-phase AC-DC, DC-AC, AC-AC, and DC-DC converters, and gain the ability to analyze and design power electronic circuits using computer-based tools. |
| Learning Outcomes | CTPO | TOA | | Upon successful completion of the course, the students will be able to : | | | | LO - 1 : | Can explain the switching behavior and losses of power switching devices, analyse dv/dt and di/dt effects, and interpret basic protection measures for semiconductor devices. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4, | | LO - 2 : | Can analyse controlled rectifier circuits, AC-DC line-commutated systems, and inverters, and evaluate their performance under different load conditions (R-L-C). | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | LO - 3 : | Can perform the basic analysis and design of single-phase and three-phase AC-DC converter circuits. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | LO - 4 : | Can analyse and perform the basic design of DC-DC converter circuits. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | LO - 5 : | Can investigate frequency conversion and PWM techniques used in power electronics and comparatively evaluate them for different applications. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | LO - 6 : | Can analyse output voltage and current waveforms of power electronic converters and evaluate basic performance criteria. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | LO - 7 : | Can perform computer-aided modelling and simulation studies of power electronic circuits using software tools such as MATLAB/Simulink. | 1.1 - 1.2 - 1.3 - 2.1 - 2.2 - 3.1 - 3.2 | 1,4 | | CTPO : Contribution to programme outcomes, TOA :Type of assessment (1: written exam, 2: Oral exam, 3: Homework assignment, 4: Laboratory exercise/exam, 5: Seminar / presentation, 6: Term paper), LO : Learning Outcome | | |
| This course covers the fundamental concepts of power electronics, semiconductor power devices, DC-DC converters, and single-phase and three-phase AC-DC (rectifier), DC-AC (inverter), and AC-AC converters, including their operating principles, behaviour under resistive, inductive, and capacitive loads, and practical applications. Within the scope of the course, the historical development and application areas of power electronics are examined; the structures, characteristics, thyristor triggering methods, switching behaviour, and dv/dt and di/dt effects of power semiconductor devices such as diodes, thyristors, and transistors are explained in detail. Single-phase and three-phase converter topologies, PWM techniques, and control methods are theoretically analysed; switching losses, thermal analysis, cooling methods, snubber circuits, and the protection of semiconductor devices are also addressed. In addition, the course aims to provide students with the ability to design, analyse, and simulate power electronic circuits using computer-based tools. |
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| Course Syllabus | | Week | Subject | Related Notes / Files | | Week 1 | Introduction: General information about the course, history of power electronics, its current position and areas of application | | | Week 2 | Characteristics of Semiconductor Switches : Diode and BJT | | | Week 3 | Characteristics of Semiconductor Switches : MOSFET, IGBT, Thyristor, Triac, Diac | | | Week 4 | Single-Phase Uncontrolled AC-DC Converters
| | | Week 5 | Single-Phase Controlled AC-DC Converters | | | Week 6 | Three-Phase Uncontrolled AC-DC Converters
| | | Week 7 | Three-Phase Controlled AC-DC Converters | | | Week 8 | DC-DC Converters : Choppers
| | | Week 9 | Mid-term exam | | | Week 10 | DC-DC Converters : Buck (Step-Down) Converter
| | | Week 11 | DC-DC Converters : Boost (Step-Up) Converter
| | | Week 12 | DC-DC Converters : Buck/Boost Converter | | | Week 13 | AC-AC Converters
| | | Week 14 | AC-AC Converters | | | Week 15 | DC-AC Converters (Inverters)
| | | Week 16 | End-of-term exam | | | |
| 1 | Lecture notes, PPT presentations | | | 2 | Rashid, M. H., 1988, Power electronics : circuits, devices, and applications, Prentice-Hall | | | |
| 1 | Şen, P. C., 1997, Principles of electric machines and power electronics, John Wiley and Sons | | | 2 | Williams,B. W., 1987, Power electronics : devices, drivers, and applications, Macmillan Education Ltd. | | | 3 | Ramshaw, R., 1973, Power electronics : thyristor controlled power forelectric motors, Chapman and Hall, (Distributed in the U. S. A. by Halsted Press) | | | 4 | Bose, B. K., 1992, Modern power electronics : evolation, technology, and applications, IEEE | | | |
| Method of Assessment | | Type of assessment | Week No | Date | Duration (hours) | Weight (%) | | Mid-term exam | 9 | | 01,50 | 30 | | Practice | 2
14 | | 2 | 20 | | End-of-term exam | 16 | | 01,50 | 50 | | |
| Student Work Load and its Distribution | | Type of work | Duration (hours pw) | No of weeks / Number of activity | Hours in total per term | | Yüz yüze eğitim | 3 | 14 | 42 | | Sınıf dışı çalışma | 2 | 14 | 28 | | Laboratuar çalışması | 2 | 13 | 26 | | Arasınav için hazırlık | 3 | 7 | 21 | | Arasınav | 2 | 1 | 2 | | Dönem sonu sınavı için hazırlık | 2 | 7 | 14 | | Dönem sonu sınavı | 2 | 1 | 2 | | Total work load | | | 135 |
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