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Title:Izraba jamske infrastrukture za potrebe shranjevanja energije v podjetju Premogovnik Velenje d.o.o. : magistrsko delo
Authors:ID Hudobreznik, Jan (Author)
ID Kokalj, Filip (Mentor) More about this mentor... New window
ID Crnogaj, Katja (Mentor) More about this mentor... New window
ID Logar, Aleš (Comentor)
Files:.pdf MAG_Hudobreznik_Jan_2025.pdf (3,72 MB, This file will be accessible after 20.10.2028)
MD5: 4EA8080026352D25455EB21873378614
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V magistrskem delu je preučena možnost ponovne uporabe rudniške infrastrukture Premogovnika Velenje (PV) za shranjevanje električne energije s pomočjo gravitacijskega hranilnika energije (GHE). V kontekstu postopnega zapiranja rudnika in potrebe po prestrukturiranju regije se kot ena izmed strateških rešitev ponuja tehnološka implementacija sistemov za shranjevanje energije v opuščene ali opuščajoče se vertikalne jaške, ki so bili prvotno namenjeni prezračevanju. Na podlagi študije izvedljivosti, izdelani v okviru tega magistrskega dela, so analizirani tehnični, ekonomski in sistemski vidiki vgradnje gravitacijskega sistema z eno ali več utežmi ter primerjani z značilnostmi litij-ionskih hranilnikov električne energije, ki predstavljajo komercialno uveljavljeno alternativo. Ocenjeni so kapitalski (CAPEX) in obratovalni stroški (OPEX), preverjena je primernost rudniških jaškov ter analizirane možnosti financiranja iz javnih virov. Rezultati potrjujejo tehnično izvedljivost projekta, medtem ko je ekonomska upravičenost gravitacijskega sistema v veliki meri pogojena z dostopom do podpornih mehanizmov. Primerjava z litij-ionskimi sistemi dodatno osvetli ključne prednosti in omejitve posamezne tehnologije glede na stroškovno učinkovitost, življenjsko dobo, okoljski vpliv ter možnosti integracije v obstoječe energetsko okolje.
Keywords:Gravitacijski hranilnik energije, energetski prehod, rudniška infrastruktura, študija izvedljivosti, obnovljivi viri energije, razogljičenje, podzemno shranjevanje energije
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[J. Hudobreznik]
Year of publishing:2025
Number of pages:1 spletni vir (1 datoteka PDF (XIV, 89 f.))
PID:20.500.12556/DKUM-95562 New window
UDC:[621.355:622.016.5]+657.474.5(043.2)
COBISS.SI-ID:258873347 New window
Publication date in DKUM:28.10.2025
Views:167
Downloads:0
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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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:25.09.2025

Secondary language

Language:English
Title:Use of underground infrastructure for energy storage purposes at Premogovnik Velenje d.o.o.
Abstract:In this master’s thesis, the possibility of reusing the mining infrastructure of Premogovnik Velenje (PV) for electricity storage using a gravitational energy storage system (GHE) is examined. In the context of the gradual closure of the mine and the need for regional restructuring, one of the strategic solutions considered is the technological implementation of energy storage systems in abandoned or decommissioned vertical shafts, originally designed for ventilation. Based on a feasibility study prepared within the framework of this thesis, the technical, economic, and systemic aspects of installing a gravitational system with one or multiple weights are analyzed and compared with the characteristics of lithium-ion energy storage systems, which represent a commercially established alternative. Capital expenditures (CAPEX) and operating expenditures (OPEX) are assessed, the suitability of the mining shafts is verified, and possibilities for financing from public sources are analyzed. The results confirm the technical feasibility of the project, while the economic viability of the gravitational system largely depends on access to support mechanisms. The comparison with lithium-ion systems further highlights the key advantages and limitations of each technology in terms of cost-effectiveness, lifetime, environmental impact, and integration into the existing energy landscape.
Keywords:Gravity energy storage, energy transition, mining infrastructure, feasibility study, renewable energy sources, decarbonisation, underground energy storage


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