High Voltage Engineering

Higher education teachers: Blažič Boštjan
Credits: 5
Semester: summer
Subject code: 64165

Subject description


  • The prerequisite for the course is the enrolment in the third year.
  • The prerequisite for the oral exam is a positive assessment of tutorials report.

Content (Syllabus outline):

The electric field in high voltage engineering, methods and procedures to determine the electric field. Dielectric strength and insulation withstand. Discharges in homogeneous and inhomogeneous field. Partial discharges, atmospheric discharges, origin and type of lighting strokes. Insulating materials, gaseous dielectrics, solid and liquid insulating materials. Methods for isolation quality assessment. Distribution of potential along the long structures, ceramic type suspension insulators, transformer windings. Generation and measurement of high AC voltages. Generation and measurement of high DC voltages. Generation and measurement of high impulse voltages. The formation of overvoltage, lightning overvoltage, system overvoltage. Surge arresters and insulation coordination. Modeling of high voltage devices and networks and analysis of high voltage transients.

Objectives and competences:

The student will learn the importance of high voltage in the design and operation of electricity networks and devices and will also acquire the basic knowledge of high voltage technology and methods for testing high voltage electric power equipment in the lab.

Intended learning outcomes:

  • Knowledge and understanding:

The student will understand the importance of high voltage for planning and operation of the power network. The student will also learn about testing methods for electricity equipment testing in a high voltage laboratory.

  • Application:

Prerequisites for further study and practical application at high voltage equipment testing.

  • Reflection:

Understanding the connection between high voltage, equipment design and structure of the power network.

  • Transferable skills:

Knowledge of measurements procedure and report generation is useful in the frame of various measurements.

Learning and teaching methods:

  • Lectures, tutorials and laboratory practice.

Study materials

  1. M. Babuder, Visokonapetostna tehnika, skripta, Ljubljana 2004.
  2. J. Voršič, J. Pihler, Tehnika visokih napetosti in velikih tokov, Univerza v Mariboru, FERI, Maribor 2008.

Study in which the course is carried out

  • 3 year - 1st cycle - Electrical Enginnering - Power Engineering and Mechatronics