410-4123/01 – Electrical Protections (EOCH)

Gurantor departmentDepartment of Electrical Power EngineeringCredits6
Subject guarantordoc. Dr. Ing. Zdeněk MedvecSubject version guarantordoc. Dr. Ing. Zdeněk Medvec
Study levelundergraduate or graduateRequirementCompulsory
Year1Semesterwinter
Study languageCzech
Year of introduction2019/2020Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
MED40 doc. Dr. Ing. Zdeněk Medvec
VRZ0008 Ing. Matouš Vrzala, Ph.D.
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Part-time 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
Teaching by an expert (lecture or tutorial)

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

Recommended literature:

1. Sleva, A. F.: Protective relay principles. CRC Press, 2009, ISBN 978-0-8247-5372-6.

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. Oral examination.

E-learning

Other requirements

Additional requirements for the student are not.

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. Instrument voltage and current transformers Dimensioning of instrument current transformers. Credit exercise. Laboratory: 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. Projects: Proposal and Setting of Elektric Protections Medium Voltage Proposal and Setting of Elektric Protections High Voltage

Conditions for subject completion

Part-time form (validity from: 2018/2019 Winter semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of pointsMax. počet pokusů
Credit and Examination Credit and Examination 100 (100) 51
        Credit Credit 40  20
        Examination Examination 60  11 3
Mandatory attendence participation: Test

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Conditions for subject completion and attendance at the exercises within ISP: Completion of all mandatory tasks within individually agreed deadlines.

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Occurrence in study plans

Academic yearProgrammeBranch/spec.Spec.ZaměřeníFormStudy language Tut. centreYearWSType of duty
2024/2025 (N0713A060015) Design of Electrical Systems and Technologies P Czech Ostrava 1 Compulsory study plan
2024/2025 (N0713A060015) Design of Electrical Systems and Technologies K Czech Ostrava 1 Compulsory study plan
2024/2025 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2024/2025 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan
2023/2024 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2023/2024 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan
2023/2024 (N0713A060015) Design of Electrical Systems and Technologies P Czech Ostrava 1 Compulsory study plan
2023/2024 (N0713A060015) Design of Electrical Systems and Technologies K Czech Ostrava 1 Compulsory study plan
2022/2023 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2022/2023 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan
2022/2023 (N0713A060015) Design of Electrical Systems and Technologies P Czech Ostrava 1 Compulsory study plan
2022/2023 (N0713A060015) Design of Electrical Systems and Technologies K Czech Ostrava 1 Compulsory study plan
2021/2022 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan
2021/2022 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2021/2022 (N0713A060015) Design of Electrical Systems and Technologies K Czech Ostrava 1 Compulsory study plan
2021/2022 (N0713A060015) Design of Electrical Systems and Technologies P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan
2020/2021 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2020/2021 (N0713A060015) Design of Electrical Systems and Technologies K Czech Ostrava 1 Compulsory study plan
2020/2021 (N0713A060015) Design of Electrical Systems and Technologies P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering EEN P Czech Ostrava 1 Compulsory study plan
2019/2020 (N0713A060003) Electrical Power Engineering EEN K Czech Ostrava 1 Compulsory study plan

Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner

Assessment of instruction



2023/2024 Winter
2022/2023 Winter
2021/2022 Winter
2020/2021 Winter
2019/2020 Winter