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Information
| Code | EE628 |
| Name | Power Electronic Systems |
| Term | 2024-2025 Academic Year |
| Term | Spring |
| Duration (T+A) | 3-0 (T-A) (17 Week) |
| ECTS | 6 ECTS |
| National Credit | 3 National Credit |
| Teaching Language | İngilizce |
| Level | Doktora Dersi |
| Type | Normal |
| Mode of study | Yüz Yüze Öğretim |
| Catalog Information Coordinator | Prof. Dr. MEHMET TÜMAY |
| Course Instructor |
1 |
Course Goal / Objective
1. This course is intended to give a comprehensive knowledge about the static applications of power electronic circuits 2. A detailed view to DC-DC converters: operation principles, analysis, control, design issues, 3. An understanding of how power electronic systems spread to industrial, utility and residence application areas.
Course Content
Static switches, buck, boost, buck-boost, flyback, forward, push-pull, half-bridge and full-bridge DC-DC converters (Switch-Mode Power Supplies – SMPSs). Uninterruptable power supplies (UPS): operational principles, types, battery charging methods and control circuits. Electronic balast. Power electronic circuits at High Voltage DC transmission (HVDC). Power factor correction: Static reactive power compansation, active filters. Electrochemical applications. Power electronic circuits at induction furnaces
Course Precondition
None
Resources
"1. Y. Lee, Computer-Aided Analysis And Design Of Switched-Mode Power Supplies, 1993, Marcel Dekker Inc. 2. A. M. Trzynadlowski, Introduction to Modern Power Electronics, 1998, John Wiley & Sons Inc. 3. N. Mohan, T. Undeland, W. Robbins, Power Electronics: Converters, Applications and Design, 2nd ed., 1995, John Wiley & Sons Inc."
Notes
Lecture Notes, Lecture Slides
Course Learning Outcomes
| Order | Course Learning Outcomes |
|---|---|
| LO01 | Analyze a wide range of topologies of Switch-Mode Power Supplies (SMPS) |
| LO02 | Model Switch-Mode Power Supply circuits |
| LO03 | Design Switch-Mode Power Supply circuits (including magnetic component and filter design) |
| LO04 | Have a knowledge the applications of power electronics to industry and utility systems |
| LO05 | Comprehend the power electronic applications in a whole system. |
Relation with Program Learning Outcome
| Order | Type | Program Learning Outcomes | Level |
|---|---|---|---|
| PLO01 | Bilgi - Kuramsal, Olgusal | Being able to specialize in at least one of the branches that form the foundations of Electrical and Electronics Engineering by increasing the level of knowledge beyond the master's level | 3 |
| PLO02 | Bilgi - Kuramsal, Olgusal | To comprehend the integrity of all the subjects included in the field of specialization. | 4 |
| PLO03 | Bilgi - Kuramsal, Olgusal | Having knowledge of the current scientific literature in the field of specialization to analyze the literature critically | 4 |
| PLO04 | Bilgi - Kuramsal, Olgusal | To comprehend the interdisciplinary interaction of the field with other related branches, to suggest similar interactions. | 3 |
| PLO05 | Bilgi - Kuramsal, Olgusal | Ability to do theoretical and experimental work | 3 |
| PLO06 | Bilgi - Kuramsal, Olgusal | To create a complete scientific text by compiling the information obtained from the research | 4 |
| PLO07 | Bilgi - Kuramsal, Olgusal | To work on the thesis topic programmatically, following the logical integrity required by the subject within the framework determined by the advisor. | 4 |
| PLO08 | Bilgi - Kuramsal, Olgusal | To search for literature in scientific databases, particularly the ability to correctly and accurately scan databases and evaluate and categorize listed items. | 3 |
| PLO09 | Bilgi - Kuramsal, Olgusal | Having a command of English and related English jargon at a level that can easily read and understand a scientific text written in English in the field of specialization and write a similar text | 4 |
| PLO10 | Bilgi - Kuramsal, Olgusal | Ability to write a computer program in a familiar programming language, generally for a specific purpose, specifically related to the field of expertise. | 2 |
| PLO11 | Bilgi - Kuramsal, Olgusal | Ability to plan and teach lessons related to the field of specialization or related fields | 3 |
| PLO12 | Bilgi - Kuramsal, Olgusal | Being able to guide and take the initiative in environments that require solving problems related to the field | 3 |
| PLO13 | Yetkinlikler - Bağımsız Çalışabilme ve Sorumluluk Alabilme Yetkinliği | Ability to communicate with people in an appropriate language | |
| PLO14 | Yetkinlikler - Öğrenme Yetkinliği | Adopting the ethical values required by both education and research aspects of academician | |
| PLO15 | Yetkinlikler - Öğrenme Yetkinliği | To be able to produce projects, policies, and processes in the field of expertise and to evaluate these elements | |
| PLO16 | Yetkinlikler - Öğrenme Yetkinliği | Ability to research new topics based on existing research experience |
Week Plan
| Week | Topic | Preparation | Methods |
|---|---|---|---|
| 1 | Introduction to Switched Mode Power Supplies (SMPS), basic principles in analyzing these circuits, inductor volt-second balance, capacitor charge balance, | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 2 | Nonisolated SMPS DC-DC converters: Buck, Boost, Buck-Boost. Voltage conversion ratios M(D) | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 3 | In search of an ideal DC-DC converter: Cuk converter and the current waveshapes at input and output, switch realization and implementation of switches using semiconductor devices: single- and twoquadrant switches | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 4 | Discontinuos conduction mode (DCM) of operation: origins of DCM, boundary between DCM and CCM operation, critical inductance and load resistance values, DC voltage conversion ratios M(D, K) for DCM, examples for a buck and a boost converter. | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 5 | Circuit manipulations, inversion of source and load, buck cascaded by boost, rotation of three-terminal cell, need for isolation in SMPS DC-DC converters, transformer isolation and a simple model for a transformer, volt-second balance on Lm and transformer reset, | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 6 | Full- and half-bridge isolated buck converters, analysis of forward converter, push-pull isolated buck converter | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 7 | Buck-boost derived flyback converter, full-bridge transformer isolated boost-derived converter, isolated Cuk converter. Active switch stress S and active switch utilization U, comparison of switch utilizations of some common converters, flyback converter example. | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 8 | Mid-Term Exam | Preparation for midterm exam | Ölçme Yöntemleri: Yazılı Sınav |
| 9 | Uninterruptible Power Supplies (UPS): definition, reasons for using them, imperfections in the constant- magnitude canstant-frequency utility voltage, disturbances on power system. UPS technologies: off-line, on-line, and line-interactive. Some important specifications when selecting a UPS. | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 10 | A detailed look at subcomponents of a UPS: rectifier, inverter, static bypass switch, batteries. Battery types and main application areas: selaed lead-acid, Nickel Cadmium (NiCad), Nickel Metal Hydride (NiMh), Lithium Ion (LiIon). Energy capacity of a battery (AmpHour rating), charging and discharging characteristics, battery charger circuits, different charging methods. | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 11 | Energy saving lamps and electronic ballast, electrical characteristics of discharge lamp, fluorescent lamp, conventional ballasts, High Frequency Electronic Ballast (HFEB), definition of dimming and dimming methods, dimmable HFEB, a closer look of some commercial electronic ballast ICs. | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 12 | High Voltage DC Transmission (HVDC) | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 13 | Active filters, static VAR control | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 14 | Power factor correction and harmonic control, harmonic standards, active power factor correction, active current shaping: a boost topology implementation, commercial power factor correction ICs. Reactive power compensation | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 15 | Induction heating principles, welding types and circuits | Reading the resources on subject | Öğretim Yöntemleri: Anlatım, Soru-Cevap, Tartışma |
| 16 | Term Exams | Preparation for final exam | Ölçme Yöntemleri: Yazılı Sınav |
| 17 | Term Exams | Preparation for final exam | Ölçme Yöntemleri: Yazılı Sınav |
Student Workload - ECTS
| Works | Number | Time (Hour) | Workload (Hour) |
|---|---|---|---|
| Course Related Works | |||
| Class Time (Exam weeks are excluded) | 14 | 3 | 42 |
| Out of Class Study (Preliminary Work, Practice) | 14 | 5 | 70 |
| Assesment Related Works | |||
| Homeworks, Projects, Others | 0 | 0 | 0 |
| Mid-term Exams (Written, Oral, etc.) | 1 | 15 | 15 |
| Final Exam | 1 | 30 | 30 |
| Total Workload (Hour) | 157 | ||
| Total Workload / 25 (h) | 6,28 | ||
| ECTS | 6 ECTS | ||