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master's thesis
Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora
Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2022. urn:nbn:hr:200:048328
Liović, Robert
Josip Juraj Strossmayer University of Osijek
Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
Department of Power Engineering
Chair of Power Plants and Energy Processes

Institutional repository: Faculty of Electrical Engineering, Computer Science and Information Technology Osijek

Cite this document

Liović, R. (2022). Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora (Master's thesis). Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek. Retrieved from https://urn.nsk.hr/urn:nbn:hr:200:048328

Liović, Robert. "Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora." Master's thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2022. https://urn.nsk.hr/urn:nbn:hr:200:048328

Liović, Robert. "Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora." Master's thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, 2022. https://urn.nsk.hr/urn:nbn:hr:200:048328

Liović, R. (2022). 'Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora', Master's thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, accessed 08 September 2024, https://urn.nsk.hr/urn:nbn:hr:200:048328

Liović R. Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora [Master's thesis]. Osijek: Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek; 2022 [cited 2024 September 08] Available at: https://urn.nsk.hr/urn:nbn:hr:200:048328

R. Liović, "Tehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora", Master's thesis, Josip Juraj Strossmayer University of Osijek, Faculty of Electrical Engineering, Computer Science and Information Technology Osijek, Osijek, 2022. Available at: https://urn.nsk.hr/urn:nbn:hr:200:048328

Metadata
TitleTehno-ekonomska analiza ugradnje energetski učinkovitih distributivnih transformatora
Title (english)Techno-economic analysis of the installation of energy-efficient distribution transformers
AuthorRobert Liović
MentorDanijel Topić (mentor)
GranterJosip Juraj Strossmayer University of Osijek
Faculty of Electrical Engineering, Computer Science and Information Technology Osijek
(Department of Power Engineering)
(Chair of Power Plants and Energy Processes)
Osijek
Defense date and country2022-10-02, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Power Engineering
Abstract
Diplomski rad opisuje ulogu energetskih transformatora u elektroenergetskom sustavu, objašnjen je princip rada i opisani su konstrukcijski dijelovi. Prikazani su parametri transformatora u ovisnosti o naponskoj razini i napravljena je usporedba konvencionalnih i energetski učinkovitih transformatora u pogledu dimenzija i gubitaka. Zbog sve veće cijene energije i utjecaja na okoliš Europska unija donosi mjere kojima se žele smanjiti gubici energetskih transformatora. Cilj rada je prikazati kakav će biti utjecaj na distributivnu mrežu u pogledu smanjenja gubitaka nakon ugradnje energetski učinkovitih transformatora i isplati li se njihova investicija. U praktičnom dijelu rada korištenjem programskog paketa DigSILENT Power Factory izrađena je distributivna mreža u kojoj je 5 konvencionalnih transformatora naponske razine 20/0,4 kV zamijenjeno energetski učinkovitim. Provođenjem simulacije ukupni gubici u mreži se smanjuju za 16,02 kW (2,43 %). Investicija u energetski učinkovite transformatore je opravdana, a procijenjena je na temelju troška posjedovanja TCO transformatora. Ukupna novčana ušteda koja bi se ostvarila u mreži nakon 40 godina iznosi 2.222.098,31 kn.
Abstract (english)
The thesis describes the role of transformers in the power system, the principle of operation is explained and the structural parts are described. The parameters of the transformer are shown depending on the voltage level and a comparison of conventional and energy – efficient transformers in terms of dimensions and losses is made. Due to the ever – increasing price of energy and the impact on the environment, the European Union is adopting measures aimed at reducing the losses of distribution transformers. The aim of the paper is to show the impact on the distribution network in terms of loss reduction after the installation of energy – efficient transformers and whether their investment is justified. In the practical part of the paper, using the DigSILENT Power Factory software, a distribution network was created in which 5 conventional transformers of voltage level 20/0,4 kV were replaced with energy – efficient ones. By running the simulation, the total losses in the network are reduced by 16,02 kW (2,43 %). The investment in energy – efficient transformers is justified, and was evaluated based on the total cost of ownership TCO. The total financial savings that would be realized in the network after 40 years amounts to 2.222.098,31 kn.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:200:048328
Study programmeTitle: Graduate University Study Programme in Electrical Engineering; specializations in: Communications and Informatics, Power Engineering
Course: Communications and Informatics
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike (magistar/magistra inženjer/inženjerka elektrotehnike)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2022-12-14 12:04:00