Switching and Protection Devices

Data is displayed for the academic year: 2025./2026.

Course Description

Definitions and terminology. Electromechanical, static, digital and numerical relays. Overcurrent protection. Automatic reconnection. Thermal protection. Protection of electricity networks. Transformer protection. Protection of high voltage synchronous and asynchronous motors. Selection and adjustment of protection devices of individual components of the power system. Testing, parameterization, and commissioning.

Study Programmes

University graduate
[FER3-EN] Control Systems and Robotics - profile
Elective courses (2. semester)
[FER3-EN] Electrical Power Engineering - profile
Elective courses (2. semester)

Learning Outcomes

  1. Calculate electrodynamic forces in switchgears
  2. Select switchgear for medium voltage plants
  3. Select the characteristics for medium voltage fuses
  4. Calculate overcurrent protection settings for power system components
  5. Select protective devices for medium voltage plants
  6. Evaluate the quality of overcurrent protection devices based on laboratory testing

Forms of Teaching

Lectures

Exercises

Laboratory

Week by Week Schedule

  1. Low, medium and high voltage devices
  2. Low, medium and high voltage devices, Electric arc breaking systems
  3. Electric arc breaking systems
  4. Switching and breaking capacity
  5. Switching and breaking capacity
  6. Contact systems and materials
  7. Arc chamber
  8. Midterm exam
  9. Maintenance of devices and equipment
  10. Switching, control and protection
  11. Switching, control and protection
  12. Protective relays and triggers
  13. Protective relays and triggers
  14. Protective relays and triggers
  15. Final exam

Literature

(.), P. Rush: Network Protection and Automation Guide, Alstom, Levallois-Perret, 2002.,
(.), C. Bayliss: Transmission and Distribution Electrical Engineering, Elsevier, Amsterdam, 2003.,
(.), Krešimir Meštrović: Sklopni aparati srednjeg i visokog napona, Graphis, 1998.,
(.), Krešimir Meštrović: Sklopni aparati i aparature visokog napona, TVZ, 2000.,
(.), Electricity Training Association: Power System Protection, Volume 1-3. IEE, Electricity Association Services Ltd., London, 1995.,

General

ID 223749
  Summer semester
5 ECTS
L1 e-Learning
30 Lectures
0 Seminar
0 Exercises
13 Laboratory exercises
0 Project laboratory
0 Physical education excercises