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Title:Analiza delnega prehoda RTP Koroška vrata na 20 kV obratovanje za napajanje mesta Maribor in naselja Kamnica : magistrsko delo
Authors:ID Grof, Iztok (Author)
ID Beković, Miloš (Mentor) More about this mentor... New window
ID Horvat, Milan (Comentor)
Files:.pdf MAG_Grof_Iztok_2026.pdf (10,22 MB)
MD5: 3ACCE00AE1ED20197AFECA01251263B1
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Namen naloge je bila izvedba analize prehoda dela napajalnega območja RTP Koroška vrata iz 10 na 20 kV z ocenitvijo kaj vse je potrebno storiti, da bo takšen prehod mogoč. Prav tako je bila naloga preučiti možnost napajanja območja naselja Kamnice z izvedbo novega 20 kV izvoda iz RTP Koroška vrata. Izvedli smo analizo obstoječega SN omrežja, izvedli izračune pretokov moči in izračunali vrednosti padcev napetosti, ki jih občutijo posamezne transformatorske postaje ter obremenitve posameznih SN vodov. Nato smo izvedli še izračune zanesljivosti obeh napajalnih območij. Pregledali smo obstoječe SN omrežje in predvideli potrebne zamenjave kablovodov, transformatorjev in ostale elektro-energetske opreme. Predlagali smo novo ureditev SN omrežja RTP Koroška vrata in nove SN povezave, ki so potrebne za zagotovitev N-1 kriterija. Med raziskovanjem obstoječega stanja omrežja smo izvedli poglobljeno analizo meritev moči na transformatorskih postajah ter razvili algoritem za ocenjevanje manjkajočih meritev, ki med drugim temelji na genetskem algoritmu.
Keywords:Distribucijsko omrežje, RTP, prehod na 20 kV, srednje napetostno omrežje, pretoki moči, zanesljivost napajanja, N-1 kriterij
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[I. Grof]
Year of publishing:2026
Number of pages:1 spletni vir (1 datoteka PDF (XIV, 122 str.))
PID:20.500.12556/DKUM-98121 New window
UDC:621.311.1.027.6(043.2)
COBISS.SI-ID:282211075 New window
Publication date in DKUM:29.05.2026
Views:167
Downloads:41
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:18.05.2026

Secondary language

Language:English
Title:Analysis of the partial transition of the Koroška vrata substation to 20 kV for supplying Maribor and Kamnica
Abstract:This master’s thesis addresses the medium-voltage network supplied from the Koroška vrata substation. A partial transition of operation from 10 kV to 20 kV is analysed. Load-flow and reliability calculations are performed for both the existing and the planned network states, and the required investments for implementing the transition are examined. Due to the lack of measurements at transformer substations, an algorithm was developed to determine missing consumption profiles using a genetic algorithm. In addition, reserve operating conditions for the most critical fault scenarios are analysed. The results show that the transition to 20 kV improves operating conditions; however, it leads to a violation of the N-1 criterion within the substation. To ensure compliance with this criterion, additional connections to neighbouring substations are proposed. The findings provide a basis for planning the further development of the network.
Keywords:distribution network, substation, transition to 20 kV, medium-voltage network, load-flow analysis, supply reliability, N-1 criterion


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