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EEM 466 - High Voltage Techniques

Instructor: Dr. Öğr. ÜyesiŞener AĞALAR
Teaching Assistants:
Course Book: High Voltage Engineering (2nd edt.) Naidu M. S., Kamaraju V.
Grading: (%15 Midterm I) + (%15 Midterm II) + (%30 Homework) + (%40 Final exam)
Other Resources: High Voltage Engineering Fundamentals (2nd edt.) Kuffel E, Zaengl W.S., Kuffel J.
Course Outline:
1. Week

(07.02.2019)

Attendance is mandatory!

Introduction about contents of lecture, homeworks, turnitin software, exams, etc.. 

 


2. Week

(14.02.2019)

Introduction about High Voltage Concepts

  • Electric Field Stresses
  • Insulators
  • Breakdown in Solids and Liquids
  • Estimation and Control of Electric Stress
  • Surge Voltages

 

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


3. Week

(21.02.2019)

Conduction and Breakdown in Gases 

  • Gases as insulating media and Ionization
  • Townsend’s Current growth equation and Current growth in the presence of secondary processes
  • Townsend’s criterion for breakdown
  • Experimental determination of coefficients α and γ  (homework)
  • Breakdown in electronegative gases and Time lags for breakdown
  • Streamer theory for breakdown in gases
  • Paschen’s law
  • Breakdown in non-uniform fields and corona discharges
  • Vacuum insulation

 


4. Week

(28.02.2019)

Conduction and Breakdown in Liquids and Solids   

  • Liquids as insulating media
  • Pure liquids and commercial liquids
  • Conduction and breakdown in pure liquids
  • Conduction and breakdown in commercial liquids
  • Introduction to breakdown in solid dielectrics
  • Breakdown of solid dielectrics in practice
  • Breakdown in composite dielectrics
  • Solid dielectrics used in practice

 

Deadline for uploading 1st Progress report into the Turnitin:  01.03.2019, at 17:00


5. Week

(07.03.2019)

Applications of Insulating Materials    

  • Introduction
  • Applications in Power Transformers
  • Applications in Rotating Machines
  • Applications in Circuit Breakers
  • Applications in Cables 
  • Applications in Power Capacitors
  • Applications in Electronic Equipment

 

 

 


6. Week

(11.03.2019 - 15.03.2019)

1st  Midterm  Week      


7. Week

(21.03.2019)

Generation of High Voltages and Currents  

  • Generation of High DC Voltages
  • Generation of High AC Voltages

 

 

 


8. Week

(28.03.2019)

Generation of High Voltages and Currents        

  • Generation of Impulse Voltages
  • Generation of Impulse Currents
  • Tripping and Control of Impulse Generators

 

Deadline for uploading 2nd Progress report into the Turnitin:  29.03.2019, at 17:00

 


9. Week

(04.04.2019)

Measurement of High Voltages and Currents         

  • Measurement of High DC Voltages
  • Measurement of High AC Voltages

 


10. Week

(11.04.2019)

Measurement of High Voltages and Currents       

  • Measurement of High Impulse Voltages
  • Measurement of High DC, AC and Impulse Currents
  • Cathode Ray Oscillographs for Impulse Voltage and Current

 


11. Week

(15.04.2019 - 19.04.2019)

2nd  Midterm  Week  


12. Week

(25.04.2019)

Overvoltage Event and Insulation Coordination   

  • Natural Causes for Overvoltages - Ligtning
  • Overvoltage Due to Switching Surges, System Faults and Other Abnormal Conditions
  • Principles of Insulation Coordination on High Voltage and Extra High Voltage Power Systems

 

Deadline for uploading Final report into the Turnitin:  26.04.2019, at 17:00

Deadline for sending the presentation by e-mail:  26.04.2019, at 17:00

Deadline for sending the application by e-mail:  26.04.2019, at 17:00

 

 


13. Week

(02.05.2019)

Homework Presentations of Students

(Homeworks 1 - 7)         


14. Week

(09.05.2019)

Homework Presentations of Students

(Homeworks 8 - 14)  

 

Make-up Exam Week (for 1st and 2nd midterms)    (06.05.2019 - 10:00)


15. Week

(15.05.2019 - 29.05.2019)

Final Exam Week    


16. Week

(13.06.2019 - 10:00)

Resit Exam Week (for Final Exams)    


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