Electrical Substations

Последна измена: March 31, 2023
1. Course Title Electrical Substations
2. Code 4ФЕИТ04З021
3. Study program ЕЕПМ
4. Organizer of the study program (unit, institute, department) Faculty of Electrical Engineering and Information Technologies
5. Degree (first, second, third cycle) First cycle
6. Academic year/semester III/5 7. Number of ECTS credits 6
8. Lecturer D-r Atanas Iliev
9. Course Prerequisites Passed: Physics 1
10. Course Goals (acquired competencies): Gaining expert knowledge about the role of the electrical substations in the electric power system and functions of their components. The ability to calculate various type of short-circuits currents and providing knowledge for mechanical and thermal sizing of the equipment in the electrical substations. as well as for design of single line diagrams of electrical substations and theirs types of a constructions.
11. Course Syllabus: Types of electrical substations. Voltages and currents in the electrical substations. Symmetrical components and short-circuit currents in power plants and electrical substations. Calculation of currents (IEC 60909) suitable for sizing of the equipment in electrical substations: peak short circuit current, symmetrical breaking current and thermal short circuit current. Heating of the conductors in normal operation mode. Mechanical and Thermal Strengths. Bus bars in electrical substations – mechanical and thermal sizing. Types of circuit breakers, switches, electric arc. Basic components of the electrical substations and its main characteristics: power transformer, current transformers, voltage transformers, insulators, fuses. Electrical schemes of main and auxiliary circuits in distribution systems. Single line diagrams. Modern trends in design and construction of electrical substation (blue and green).
12. Learning methods: Lectures supported by presentations, interactive lectures, auditory exercises with solving practical examples, individual homeworks.
13. Total number of course hours 3 + 2 + 0 + 0
14. Distribution of course hours 180
15. Forms of teaching 15.1. Lectures-theoretical teaching 45
15.2. Exercises (laboratory, practice classes), seminars, teamwork 30
16. Other course activities 16.1. Projects, seminar papers 0
16.2. Individual tasks 25
16.3. Homework and self-learning 80
17. Grading 17.1. Exams 39
17.2. Seminar work/project (presentation: written and oral) 0
17.3. Activity and participation 10
17.4. Final exam 60
18. Grading criteria (points) up to 50 points 5 (five) (F)
from 51to 60 points 6 (six) (E)
from 61to 70 points 7 (seven) (D)
from 71to 80 points 8 (eight) (C)
from 81to 90 points 9 (nine) (B)
from 91to 100 points 10 (ten) (A)
19. Conditions for acquiring teacher’s signature and for taking final exam Regular attendance on lectures and completition of homework and project assignments
20. Forms of assessment Through two partial written exams (duration of 2 hours each) or a final written exam on the whole teaching material (duration 2 hours). The points from the partial exams/final exam are included in the final grade.
It is not allowed to use books, scripts, manuscripts or notes of anykind, mobile phone, tablet or any other electronic device during the exam.
21. Language Macedonian and English
22. Method of monitoring of teaching quality Internal evaluations and surveys
23. Literature
23.1. Required Literature
No. Author Title Publisher Year
1 Atanas Iliev Selected papers from Electrical sustations FEEIT – Skopje 2020
2 Атанас Илиев Збирка решени задачи по Производни и разводни постројки ФЕИТ – Скопје 2015
3 А, Арсенов, А. Арсенова Термички и динамички напрегања во електрични постројки ФЕИТ – Скопје 2005
4 Мито Златаноски Предавања по Разводни постројки – скрипта ФЕИТ – ЕЦРП – Скопје 2011
23.2. Additional Literature
No. Author Title Publisher Year
1 Ј. Nahman, V. Mijailovic High Voltage Electrical Substations Beo Press – Belgrade 2002
2 Hrvoje Pozar High Voltage Electrical Substations Tehnicka knjiga Zagreb 1995
3 Ismail Kasikci Short Circuits in Power Systems Wiley-VCH Verlag GmbH & Co. 2018