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School of Electrical and Computer Engineering of Applied Studies


High Voltage Techniques Course code: 121107 | 6 ECTS credits

Basic information
Level of Studies: Undergraduate applied studies
Year of Study: 3
Semester: 6
Requirements: Knowledge of the courses Elements of power systems and High-voltage apparatus.
Goal: Students introductions to the isolation of the power system, its testing overvoltages that appear on it and over-voltage protection
Outcome: Students will be able to prepare test programs and to participate in studies in maintenance of equipment in operation.
Contents of the course
Theoretical instruction:
  1. Introduction, types of insulation.
  2. General characteristics of insulation.
  3. External insulation, internal insulation.
  4. Origin of atmospheric discharges.
  5. Types of Surge; Atmospheric overvoltages.
  6. The influence of atmospheric overvoltages on overhead lines.
  7. Switching surges; Quasi-stationary overvoltages.
  8. Overvoltage; On or off with rapid reactivation. Exclusion of small inductive and capacitive currents.
  9. Lightning Protection.
  10. Atmospheric overvoltages in transformer windings.
  11. Surge arresters, capacitors.
  12. Coordination of insulation; level of insulation.
  13. Testing of insulation.
  14. Equipment and devices for testing insulation of electric power systems.
  15. Current and voltage generators, voltage divider.
Practical instruction (Problem solving sessions/Lab work/Practical training):
  1. Practical training program follows the lectures
Textbooks and References
  1. M. Savić, Z. Stojković, Tehnika visokog napona -Atmosferski prenaponi, Elektrotehnički fakultet, Beograd, 2001.
  2. S. Stojković, Tehnika visokog napona – Koordinacija izolacije, Tehnički fakultet, Čačak, 2011.
Number of active classes (weekly)
Lectures: 3
Practical classes: 2
Other types of classes: 0
Grading (maximum number of points: 100)
Pre-exam obligations
activities during lectures
activities on practial excersises
seminary work
Final exam
Written exam
Oral exam