Electrical Transients in Power Systems

Data is displayed for academic year: 2023./2024.

Lecturers

Prof.
Viktor Milardić
Assoc. Prof.
Božidar Filipović-Grčić

Course Description

Basics of power system transients. Introduction to practical problems of power system transients. Analisys of power system transients in EMTP software. Analisys of electromagnetic disturbances in EMTP software.

Study Programmes

University graduate
[FER3-EN] Control Systems and Robotics - profile
Elective course (3. semester)
[FER3-EN] Data Science - profile
Recommended elective courses (3. semester)
[FER3-EN] Electrical Power Engineering - profile
Elective courses (3. semester)

Learning Outcomes

  1. explain transient phenomena in the electric power system
  2. calculate practical problems of transient phenomena in electrical systems
  3. apply the EMTP program in the analysis of transient phenomena
  4. apply the EMTP program in electromagnetic interference analysis

Forms of Teaching

Lectures

Two school hours per week.

Exercises

Two school hours of teaching over seven weeks.

Independent assignments

Seminar.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 10 % 20 % 10 % 20 %
Seminar/Project 20 % 40 % 20 % 40 %
Mid Term Exam: Written 20 % 40 % 0 %

Week by Week Schedule

  1. Theoretical introduction to electromagnetic transients
  2. Examples of real electromagnetic transients in power systems
  3. Analytical solving of transients in simple electrical networks, Numerical solving of transients in electrical networks
  4. Numerical integration methods in analysis of electromagnetic transients
  5. Transients in circuits with linear and nonlinear elements
  6. Switching off of unloaded transmission line, Switching off of short-circuited transmission line (short line fault)
  7. Inrush currents of an unloaded power transformer and shunt reactor, Switching off an unloaded power transformer and shunt reactor (current chopping phenomena)
  8. Midterm exam
  9. Modeling of high voltage (HV) and low voltage (LV) protection devices
  10. Modeling of instrument and power transformers, Modeling of circuit breaker (electric arc and transient recovery voltages)
  11. Modeling of ferroresonance (power transformers, inductive voltage transformer)
  12. Calculation examples of transients in the Electromagnetic Transients Program EMTP, Laboratory measurements of the transient voltages and currents
  13. Transients as a source of the electromagnetic disturbances, Modeling of influence of the electromagnetic appearances on the current circuits, equipment, systems
  14. Calculation of transients in secondary circuits, Modeling of EMC in the HV substation
  15. Final exam

Literature

Neville Watson, Jos Arrillaga, J. Arrillaga (2003.), Power Systems Electromagnetic Transients Simulation, IET
Peter Hasse, Institution of Electrical Engineers (2000.), Overvoltage Protection of Low-Voltage Systems, Revised Edition, IET
Dehn + Söhne (Neumarkt i.d. OPf.) (2014.), Lightning Protection Guide,

For students

General

ID 222924
  Winter semester
5 ECTS
L1 English Level
L1 e-Learning
30 Lectures
0 Seminar
15 Exercises
8 Laboratory exercises
0 Project laboratory
0 Physical education excercises

Grading System

85 Excellent
75 Very Good
60 Good
50 Sufficient

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