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EEM 466 - High Voltage Techniques

Instructor: Araş.Gör.Dr.Abdülkadir ZİREK
Teaching Assistants:
Course Book: High Voltage Engineering (2nd edt.) Naidu M. S., Kamaraju V.
Grading: (%20 Midterm I) + (%20 Midterm II) + (%20 Homework) + (%40 Final exam)
Other Resources: High Voltage Engineering Fundamentals (2nd edt.) Kuffel E, Zaengl W.S., Kuffel J.
Course Outline:
1. Week

(04.03.2020)  Introduction about the Course

Attendance is mandatory!

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


2. Week

 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

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

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

5. Week

1st  Midterm  Week

6. Week

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

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