Power System Protection
Data is displayed for the academic year: 2024./2025.
Lectures
Exercises
Laboratory exercises
Course Description
Definitions and terminology. Electromechanical, static, digital and numerical relays. Overcurrent protection. Distant protection. Connecting distance relays. Automatic reconnection. Differential protection of generators and transformers. Longitudinal differential protection of high voltage lines. Numerical distance protection and fault locator. Voltage and frequency protection. Thermal protection. Protection of electricity networks. Bus protection. Switch breaker protection. Transformer protection. Generator and Block Generator Transformer Protection. Protection of high voltage synchronous and asynchronous motors. Current and voltage measuring transducers and sensors. In-plant communications (wired and optical connections, Ehternet). Program blocks. Failure log and analysis (Comtrade record, Digsi, Reval, Master). Selection and adjustment of protection devices of individual components of the power system. Testing, parameterization and commissioning.
Study Programmes
University graduate
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[FER3-HR] Data Science - profile
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[FER3-HR] Electrical Power Engineering - profile
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(1. semester)
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(1. semester)
(3. semester)
[FER3-HR] Electric Machines, Drives and Automation - profile
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[FER3-HR] Electronic and Computer Engineering - profile
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[FER3-HR] Electronics - profile
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[FER3-HR] Information and Communication Engineering - profile
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[FER3-HR] Network Science - profile
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[FER3-HR] Software Engineering and Information Systems - profile
Elective Courses
(1. semester)
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[FER2-HR] Electrical Power Engineering - profile
Specialization Course
(1. semester)
(3. semester)
Learning Outcomes
- select and adjust the distribution network relay protection
- select and adjust the transmission relay protection
- select and adjust relay protection of power transformers
- select and adjust the generator relay protection
- select bus protection
- test relay protection devices
- select and adjust the motor relay protection
- select and adjust the relay protection of the capacitor batteries
Forms of Teaching
Lectures
Seminars and workshops
Exercises
Field work
Independent assignments
Laboratory
Work with mentor
Seminars and workshops
Exercises
Field work
Independent assignments
Laboratory
Work with mentor
Week by Week Schedule
- Protection system function, Protection system and equipment definition
- Protection system types, Zones of protection, Power system measurements for PS
- Selectivity, Sensitivity, Speed, Reliability, Communication types, Communication protocols, IEC 60870
- Reserve, Flexibility, Cost/Benefit considerations, IEC 61850, Protection system development
- Digital relay algorithms, Digital relay hardware, Digital relay communication, Digital relay settings
- Relay input, Measurement services of relay devices, Relay output devices and tripping circuits
- Overcurrent relay
- Midterm exam
- Directional overcurrent relay, Overvoltage and undervoltage relay
- Distance relay
- Differential relay, Auto-Reclosing
- Generator protection, Transformer protection
- Transmission line protection, Busbar protection, Breaker failure protection, AC motor protection, Distribution system protection
- Power system simulator overcurrent relay testing, Power system simulator over/under voltage relay testing, Power system simulator distance relay testing, Power system simulator differential relay testing
- Final exam
Literature
(.), P. Rush (2002.), Network Protection and Automation Guide, Alstom T&D, Levallois-Perret, France,
(.), A. Marušić (2006.), Zaštita elektroenergetskog sustava, skripta, Skriptarnica FER, Zagreb,
(.), J. Lewis Blackburn, Thomas J. Domin (2006.), Protective Relaying; Principles and Applications, CRC Press, New,
(.), Power System Protection,
General
ID 223739
Winter semester
5 ECTS
L1 English Level
L1 e-Learning
30 Lectures
0 Seminar
6 Exercises
12 Laboratory exercises
0 Project laboratory
0 Physical education excercises
Grading System
90 Excellent
75 Very Good
65 Good
50 Sufficient