451-0311/01 – Protections and Automatics in Electric Power Distribution (nm-OAR)

Gurantor departmentDepartment of Electrical Power EngineeringCredits6
Subject guarantordoc. Dr. Ing. Zdeněk MedvecSubject version guarantordoc. Dr. Ing. Zdeněk Medvec
Study levelundergraduate or graduateRequirementOptional
Year2Semesterwinter
Study languageCzech
Year of introduction2004/2005Year of cancellation2009/2010
Intended for the facultiesFEIIntended for study typesMaster
Instruction secured by
LoginNameTuitorTeacher giving lectures
MED40 doc. Dr. Ing. Zdeněk Medvec
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Combined Credit and Examination 10+4

Subject aims expressed by acquired skills and competences

Explaining basic terms, principles and functions of electromechanical, transistor and digital protections. After passing the subject the student is able to apply the theory of protections and automatics in electric power distribution into the design of protection systems.

Teaching methods

Lectures
Tutorials
Experimental work in labs
Project work
Other activities

Summary

The subject includes theoretical part of protections and automatics in electric power distribution. It follows line protections, transformer protections and anti-breakdown automatics. The subject explains basic terms, principles and functions of electromechanical, transistor and digital protections.

Compulsory literature:

1. Blackburn, J. Lewis: Protective relaying-principles and applications. Marcel Dekker, Inc., New York, 1998.

Recommended literature:

1. Horowitz, S. H., Phaddke, A. G.:Power system relaying. RSP Press Ltd. Tauton, 1992.

Way of continuous check of knowledge in the course of semester

Processing of reports from laboratory works, project, test. Credit conditions: Profit minimum 20 points, attendance at laboratory work.

E-learning

Další požadavky na studenta

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: Calculation of short-circuit currents for setting of protections. Basic terms of protections, operation of protections. Basic elements of protections, electromechanical and statical relays. Line protections. Over-current protections, short-circuit protections, directional over-current protections. Line protections. Voltage protections (undervoltage and overvoltage protections). Line protections. Distance (impedance) protections. Line protections. Transverse and lengthwise differential protections. Transformer protections. Differential protections. Transformer protections. Frame-leakage protections, Buchholz protection. Differential bus-bar protections, earth-fault protections. Instrument transformers. Instrument voltage transformers, instrument current transformers. Instrument voltage transformers. Static instrument error, instrument error at transient processes, dimensioning of instrument current transformers for differential protections, high-speed impedance protections and slow protections. Digital distance protections. Anti-breakdown automatics. Exercises: Information about the requirements for passing the exercises. Safety considerations. The organization of the work in the labs. Instructions for elaboration of lab task. Calculation of short-circuit currents for setting of protections. Setting of line over-current protections. Setting of line impedance protections. Setting of transformer protections. Laboratory electrical measurement at transistor protection ALOX A100. Laboratory electrical measurement at impedance protection D114. Laboratory electrical measurement at differential protection S 31. Laboratory electrical measurement at digital current protection SPAA 341 C2. Laboratory electrical measurement at digital differential protection SPAD 346 C. Laboratory electrical measurement at digital protection SPAC 315 C. Instrument voltage and current transformers Dimensioning of instrument current transformers. Credit exercise.

Conditions for subject completion

Full-time form (validity from: 2008/2009 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Examination Examination 60  15
        Exercises evaluation Credit 40  20
Mandatory attendence parzicipation:

Show history

Occurrence in study plans

Academic yearProgrammeField of studySpec.FormStudy language Tut. centreYearWSType of duty
2009/2010 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 2 Optional study plan
2009/2010 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 2 Optional study plan
2008/2009 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering P Czech Ostrava 3 Choice-compulsory study plan
2008/2009 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering K Czech Ostrava 3 Choice-compulsory study plan
2008/2009 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 2 Optional study plan
2008/2009 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 2 Optional study plan
2007/2008 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering P Czech Ostrava 3 Choice-compulsory study plan
2007/2008 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering K Czech Ostrava 3 Choice-compulsory study plan
2007/2008 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 2 Optional study plan
2007/2008 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 2 Optional study plan
2006/2007 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering P Czech Ostrava 3 Choice-compulsory study plan
2006/2007 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering K Czech Ostrava 3 Choice-compulsory study plan
2006/2007 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering P Czech Ostrava 2 Optional study plan
2006/2007 (N2649) Electrical Engineering (3907T001) Electrical Power Engineering K Czech Ostrava 2 Optional study plan
2005/2006 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering P Czech Ostrava 3 Choice-compulsory study plan
2005/2006 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering K Czech Ostrava 3 Choice-compulsory study plan
2004/2005 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering P Czech Ostrava 3 Choice-compulsory study plan
2004/2005 (N2645) Electrical Engineerong, Communication and Computer Systems (3907T001) Electrical Power Engineering K Czech Ostrava 3 Choice-compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner