410-4123/01 – Electrical Protections (EOCH)
| Gurantor department | Department of Electrical Power Engineering | Credits | 6 |
| Subject guarantor | Ing. Matouš Vrzala, Ph.D. | Subject version guarantor | Ing. Matouš Vrzala, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Compulsory |
| Year | 1 | Semester | winter |
| | Study language | Czech |
| Year of introduction | 2019/2020 | Year of cancellation | |
| Intended for the faculties | FEI | Intended for study types | Follow-up Master |
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:
Way of continuous check of knowledge in the course of semester
Processing of reports from laboratory tasks, project, test.
Credit conditions: Obtain minimum 20 points, attendance at laboratory work.
Oral examination.
E-learning
Other requirements
Additional requirements for the student are not required.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
Basic terms of protections - IED, IEC61850,, Calculation of short-circuit currents for setting of protections.
Basic elements of protections.
Line protections. Over-current protections, voltage protections.
Line protections. Distance (impedance) protections.
Basic algorithms of digital distance protections.
Line protections. Transverse and lengthwise differential protections.
Automatic recloser, differential bus-bar protections, arc protections, earth-fault protections.
Transformer protections. Differential protections, Frame-leakage protections, Buchholz protection.
Generator protections.
Electrical protections in industry.
Anti-breakdown automatics.
Instrument current transformers.
Instrument voltage transformers.
Exercises:
Introduction, basic information, safety training
Calculations of short circuits for setting protections
Calculations of setting overcurrent and distance line protections
Basics of programming modern digital protections in PCM600 software
Setting up protection communication with other protections and with the control system according to the IEC61850 protocol
Credit exercise
Labs:
Laboratory measurement of older types of protection (ALOX A100, SPAU 330)
Laboratory measurements on digital protection REF630 - overcurrent protection
Laboratory measurements on digital protection REF630 - distance protection
Laboratory measurements on digital protection REF630 - automatic recloser
Projects:
Design and setting of electrical protection in the MV and HV network.
Configuration of protection in PCM600 software.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction