Special Protection Systems

Course Description

Numerical algorithms of protection devices. Inteligent electronic devices in power system protection and control. Data communication inside the HV substations. Communication standards (IEC 61850, IEC 60870-5, UCA2, Modbus, Lon, Courier, OPC server). Coordinated control and protection system for all secondary functions in substations. Distance and differential protection schemes. Specific solutions of power system protection and control. Protection concept of combined autotransformer-phase shifting transformer. Substation monitoring and control system. Renewal of protection and control equipments in substations.

General Competencies

Having successfully completed the module, students will be able to demonstrate knowledge and understanding of specific solutions of power system protection and control, protection concept of combined autotransformer-phase shifting transformer, substation monitoring and control system.

Learning Outcomes

  1. choose and setting MV motor protection system,
  2. choose earthing type and protection of network neutral point,
  3. choose wind generator protection system,
  4. choose protection system of MV network width wind generator,
  5. protection and connection of the transformer of each wind generator to the MV network,
  6. analysis of numerical relay algorithms,
  7. choose system protection and monitoring (WAMPAC),
  8. choose protection system of combined autotransformer-phase shifting transformer.

Forms of Teaching

Lectures

Lectures will be held two hours a week with the use of PowerPoint presentations and overhead projectors.

Laboratory Work

Laboratory exercises will be held in one cycle in the Laboratory of relay protection.

Seminars

During semester, students will create one seminar.

Internship visits

During semester there will be two technical visits of power plants.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 0 % 10 % 0 % 10 %
Seminar/Project 0 % 40 % 0 % 40 %
Mid Term Exam: Written 0 % 15 % 0 %
Final Exam: Written 0 % 35 %
Exam: Written 0 % 35 %
Exam: Oral 15 %

Week by Week Schedule

  1. Numerical algorithms of digital relays.
  2. Sample and hold. A/D conversion.
  3. Intelligent electronic devices in HV and MV substations.
  4. Exchange of information in substations.
  5. Communication standards (IEC 61850, IEC 60870-5, UCA2, Modbus, Lon, Courier, OPC server).
  6. Integrated and coordinated protection and control system in power plants and substations.
  7. Renewal of protection and control equipments in substations.
  8. Protection of complex transmission circuits.
  9. Distance protection schemes. Differential protection schemes.
  10. Specific solutions of power system protection and automatization. Wind generator protection system. Protection system of MV network width wind generator.
  11. Remote control of feeder disconnector. Remote control of circuit breaker.
  12. Protection concept of combined autotransformer-phase shifting transformer.
  13. System protection. Underfrequency protection. Voltage collapse.
  14. Wide area monitoring. Wide area protection (WAMPAC).
  15. On-line monitoring (transformer, line, circuit breaker).

Study Programmes

University graduate
Electrical Power Engineering (profile)
Specialization Course (2. semester)

Literature

Electricity Training Association (1995.), Power system protection; Digital protection and signalling, Electricity Association Services Ltd., London
Walter A. Elmore (2003.), Protective relaying theory and application, Marcel Dekker Inc.
P. Rush (2002.), Network Protection and Automation Guide, Alstom T&D, Levallois-Perret, France

Laboratory exercises

For students

General

ID 86527
  Summer semester
4 ECTS
L1 English Level
L1 e-Learning
30 Lectures
15 Laboratory exercises

Grading System

90 Excellent
75 Very Good
60 Good
50 Acceptable