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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: (%30 Homework) + (%15 Midterm I) + (%15 Midterm II) + (%40 Final exam)
Other Resources: High Voltage Engineering Fundamentals (2nd edt.) Kuffel E, Zaengl W.S., Kuffel J.
Course Outline:
1. Week

Introduction about contents of lecture, homeworks, turnitin software, exams, etc.. (08.02.2018)

Attendance is mandatory!


2. Week

Introduction about High Voltage Concepts     (15.02.2018)

  • 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 th students through ANASIS )


3. Week

Conduction and Breakdown in Gases          (22.02.2018)

 

  • 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

Conduction and Breakdown in Liquids and Solids         (01.03.2018)

  • 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
 
 
 

5. Week

Applications of Insulating Materials          (08.03.2018)

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

Deadline for uploading Progress report into the Turnitin:  09.03.2018, at 17:00

 

 


6. Week

1st  Midterm  Week        (12.03.2018 - 16.03.2018)


7. Week

 

Generation of High Voltages and Currents           (22.03.2018)

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

 

 

 


8. Week

Generation of High Voltages and Currents           (29.03.2018)

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

 

 


9. Week

Measurement of High Voltages and Currents         (05.04.2018)

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

 

 


10. Week

Measurement of High Voltages and Currents         (12.04.2018)

 

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

11. Week

2nd  Midterm  Week     (16.04.2018 - 20.04.2018)


12. Week

Overvoltage Phenomenon and Insulation Coordination           (26.04.2018)

  • 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:  27.04.2018, at 17:00

Deadline for sending the presentation e-mail:  27.04.2018, at 17:00

Deadline for sending the application by e-mail:  27.04.2018, at 17:00

 

 


13. Week

Homework Presentations of Students (Homeworks 1 - 7)         (03.05.2018)


14. Week

Homework Presentations of Students (Homeworks 8 - 14)         (10.05.2018)

Make-up Exam Week (for 1st and 2nd midterms)    (09.05.2018 - 11:00)


15. Week

Final Exam Week    (16.05.2018 - 30.05.2018)


16. Week

Make-up Exam Week (for Final Exams)    (07.06.2018 - 11:00)


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