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EEM 475 - Power Electronics I

Instructor: Dr. Öğr. ÜyesiŞener AĞALAR
Teaching Assistants:
Course Book: "Power Electronics: Converters, Applications, and Design", N. Mohan
Grading: Midterm (%20), Homework (%40), Final (%40)
Other Resources: "Power Electronics: Circuits, Devices, and Applications", M. H. Rashid.
Course Outline:
1. Week

 

(08.10.2020) Introduction about the Course 

(Syllabus, Contents, Homeworks, Groups etc.)

 


2. Week

(15.10.2020) Introduction to Power Electronic Systems 

(Chapter 1 & 2)

  1. Power Electronics vs Linear Electronics
  2. Scope and Applications
  3. Classification of Power Converters
  4. Diodes
  5. Thyristors
  6. Characteristics in Controllable switches
  7. BJT and Darlingtons
  8. MOSFETs
  9. IGBTs
  10. MCTs
  11. Drive and Snubber Circuits

The presentation of this lecture-1

The presentation of this lecture-2

( Note:  Slides are password protected and password will be sent to the students through OGRBILSIS system )

 


3. Week

(22.10.2020) Review of Basic Electrical and Magnetic Circuit Concepts 

(Chapter 3)

  1. Introduction
  2. Electric Circuits
  3. Magnetic Circuits

The presentation of this lecture


4. Week

(29.10.2020) Line Frequency Diode Rectifiers: AC to Uncontrolled DC-1 

(Chapter 5)

  1. Introduction
  2. Basic Rectifier Concepts
  3. Single-phase Diode Bridge Rectifiers

The presentation of this lecture


5. Week

(05.11.2020) Line Frequency Diode Rectifiers: AC to Uncontrolled DC-2 

(Chapter 5)

  1. Voltage Doubler (Single-phase) Rectifiers
  2. Effect of Single-phase Rectifiers on Neutral Currents in 3-phase, 4-wire Systems
  3. 3-phase Full Bridge Rectifiers
  4. Comparison of Single-phase and 3-phase Rectifiers
  5. Inrush Current and Overvoltages at Turn-on
  6. Line-current Harmonics and Low Power Factor

The presentation of this lecture


6. Week

 

(30.10.2019-05.11.2019) 1st Midterm Week (Will be announced later)

 


7. Week

(12.11.2020) Line Frequency Phase Controlled Rectifiers and Inverters:

Line Frequency AC to Controlled DC-1  

(Chapter 6)

  • Introduction
  • Thyristor Circuits and Their Control
  • Single-phase Converters
  • 3-phase Converters
  • Other 3-phase Converters

The presentation of this lecture


8. Week

(19.11.2020) Line Frequency Phase Controlled Rectifiers and Inverters: 

Line Frequency AC to Controlled DC-2 

(Chapter 6)

  • Introduction
  • Thyristor Circuits and Their Control
  • Single-phase Converters
  • 3-phase Converters
  • Other 3-phase Converters

The presentation of this lecture


9. Week

(26.11.2020) Switch-Mode DC-DC Converters-1 

(Chapter 7)

  • Introduction
  • Control of DC-DC Converters
  • Step-down (Buck) Converter
  • Step-up (Boost) Converter
  • Buck-boost Converter
  • Cuk DC-DC Converter
  • Full Bridge DC-DC Converter
  • DC-DC Converter Comparison

The presentation of this lecture


10. Week

(03.12.2020) Switch-Mode DC-DC Converters-2 

(Chapter 7) 

  • Introduction
  • Control of DC-DC Converters
  • Step-down (Buck) Converter
  • Step-up (Boost) Converter
  • Buck-boost Converter
  • Cuk DC-DC Converter
  • Full Bridge DC-DC Converter
  • DC-DC Converter Comparison

The presentation of this lecture


11. Week

 

(02.12.2019-06.12.2019) 2nd Midterm Week (Will be announced later)

 


12. Week

(10.12.2020) Switch-Mode DC-AC Inverters-1  

(Chapter 8)

  • Introduction
  • Basic Concepts of Switch-mode Inverters
  • Single-phase Inverters
  • 3-phase Inverters
  • Effect of Blanking Time on Output Voltage in PWM Inverters
  • Other Inverter Switching Schemes
  • Rectifier Mode Operation

The presentation of this lecture

 


13. Week

(17.12.2020) Switch-Mode DC-AC Inverters-2  

(Chapter 8)

  • Introduction
  • Basic Concepts of Switch-mode Inverters
  • Single-phase Inverters
  • 3-phase Inverters
  • Effect of Blanking Time on Output Voltage in PWM Inverters
  • Other Inverter Switching Schemes
  • Rectifier Mode Operation

The presentation of this lecture

 


14. Week

(24.12.2020) Switch-Mode DC-AC Inverters-3  

(Chapter 8)

  • Introduction
  • Basic Concepts of Switch-mode Inverters
  • Single-phase Inverters
  • 3-phase Inverters
  • Effect of Blanking Time on Output Voltage in PWM Inverters
  • Other Inverter Switching Schemes
  • Rectifier Mode Operation

The presentation of this lecture


15. Week

(31.12.2020) Homework Presentations-01 


16. Week

 

(07.01.2021) Homework Presentations-02 

(23.12.2019-27.12.2019) Midterm Resit Exams 

 


17. Week

 

(11.01.2021-22.01.2021) Final Exams 

 


18. Week

 

(27.01.2021-29.01.2021) Final Resit Exams 

 


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