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EEM 475 - Power Electronics I

Instructor: Asst.Prof.Şener AĞALAR
Teaching Assistants:
Course Book: "Power Electronics: Converters, Applications, and Design", N. Mohan
Grading: 1st midterm (%25), 2nd midterm (%25), Final (%50)
Other Resources: "Power Electronics: Circuits, Devices, and Applications", M. H. Rashid.
Course Outline:
1. Week

Introduction to Power Electronic Systems   (28.09.2017)

(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:  it is password protected and password will be sent to the students through ANASIS system )

 


2. Week

Review of Basic Electrical and Magnetic Circuit Concepts  (05.10.2017)

(Chapter 3)

  1. Introduction
  2. Electric Circuits
  3. Magnetic Circuits

The presentation of this lecture


3. Week

Line Frequency Diode Rectifiers: AC to Uncontrolled DC-1   (12.10.2017)

(Chapter 5)

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

The presentation of this lecture


4. Week

Line Frequency Diode Rectifiers: AC to Uncontrolled DC-2   (19.10.2017)

(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


5. Week

1st Midterm Week (23.10.2017-27.10.2017)


6. Week

Line Frequency Phase Controlled Rectifiers and Inverters: (02.11.2017)

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


7. Week

Line Frequency Phase Controlled Rectifiers and Inverters: (09.11.2017)

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


8. Week

Switch-Mode DC-DC Converters-1         (16.11.2017) 

(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


9. Week

Switch-Mode DC-DC Converters-2         (23.11.2017)

(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

2nd Midterm Week    (27.11.2017-01.12.2017)


11. Week

Switch-Mode DC-AC Inverters-1         (07.12.2017) 

(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

 


12. Week

Switch-Mode DC-AC Inverters-2         (14.12.2017) 

(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

Midterm Resit Exams   (18-22).12.2017


14. Week

Final Exams   (25.12.2017-06.01.2018)


15. Week

Final Resit Exams  (15-18).01.2018


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