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Power Networks and Lines SE502

ECTS 5.5 | P 30 | A 15 | L 15 | K 0 | ISVU 41152 160362 175275 | Academic year: 2020./2021.

Course groups

Prikaži sve grupe na predmetu

Course lecturers

KLJAJIĆ RUŽICA, Associate
MARIĆ PREDRAG, Lecturer
KRAUS ZORISLAV, Lecturer

Course description

Electrical networks and parts of electrical networks. Purpose and progress of power systems. Types of electrical networks. Overview of power transmission theory. Line characteristic quantities. Transmission equations. Ideal transmission line. Real transmission line. Symmetrical conditions - line constants determination. Resistance. Skin effect. Inductance and capacitance. Mean geometric distances method. Line transposition. Line conductance. Corona. Equivalent schemes of power system elements for symmetrical conditions. Equivalent scheme of lines. Transformer equivalent scheme. Generator equivalent scheme. Load equivalent scheme. Four terminal in power transmission theory. General constants of basic four terminal. Steady state calculation of electrical networks. Numerical quantities of calculation. Absolute values method. Per unit method. Overhead lines. Elements and types of lines. Conductors. Conductor mechanical calculation. Insulators. Accessories. Line towers. Grounding. Overhead line projecting. Overhead lines – operation problems. Cables. Constructive elements of cables. Criteria regarding cable selection. Cable losses, cable warming and cooling. Low and middle voltage cables. High and very high voltage cables. Hyper-conductive and superconductive cables. Cable size selection. Cable burring, assembling and finalising.

Knowledge and skills acquired

Students learn about design, construction and supervision of electrical networks, cables and overhead lines, electrical and mechanical calculation and analysis of cables and overhead lines.

Teaching methods

Lectures, auditory exercises, project with calculations of overhead and line cables.

Student requirements

Defined by the Student evaluation criteria of the Faculty of Electrical Engineering, Computer Science and Information Technology Osijek and paragraph 1.9

Monitoring of students

Defined by the Student evaluation criteria of the Faculty of Electrical Engineering, Computer Science and Information Technology Osijek and paragraph 1.9

Student assessment

Project.

Obligatory literature

1. 1 Prof.dr.sc. Lajos Jozsa Nadzemni vodovi, skripta ETF, Osijek, 1995.

2. 2 Weedy, B. M.; Cory; B. J; Jenkins, N; Ekanayake, J. B; Strbac, G. Electric Power Systems ,5 th Edition Wiley, 2012.

3. 3 M. Ožegović, K. Ožegović Električne energetske mreže I FESB, Split, 1996.


Pretraži literaturu na:

Recommended additional literature

1. 1 V. Srb Kabelska tehnika, priručnik Tehnička knjiga, Zagreb, 1970.

Examination methods

Project assignment and oral exam.

Course assessment

Conducting university questionnaires on teachers (student-teacher relationship, transparency of assessment criteria, motivation for teaching, teaching clarity, etc.). Conducting Faculty surveys on courses (upon passing the exam, student self-assessment of the adopted learning outcomes and student workload in relation to the number of ECTS credits allocated to activities and courses as a whole).

Overview of course assesment

Learning outcomes
Upon successful completion of the course, students will be able to:

1. describe types, operation and components of power networks

2. categorise equivalent schemes of power system components and transmission equations

3. evaluate geometric mean distance method calculation of unit inductance and capacitance

4. evaluate calculation of current and voltage conditions on the transmission line using an equivalent PI-scheme and transmission equations

5. make mechanical calculations of an overhead line

6. interpret current and voltage conditions on different power system nodes and branches



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