Avtomatiziran izklop energetskih porabnikov v času delovnih prekinitev na valjarni B3 v Impol d.d.

Kapun, Dan

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Title:	Avtomatiziran izklop energetskih porabnikov v času delovnih prekinitev na valjarni B3 v Impol d.d.
Authors:	ID Kapun, Dan (Author) ID Ribič, Janez (Mentor) More about this mentor...
Files:	VS_Kapun_Dan_2025.pdf (8,32 MB) MD5: 1F5B040E81953CD8487A93D2E5901C05
Language:	Slovenian
Work type:	Bachelor thesis/paper
Typology:	2.11 - Undergraduate Thesis
Organization:	FERI - Faculty of Electrical Engineering and Computer Science
Abstract:	V zaključnem delu je obravnavana problematika energetske učinkovitosti v energetsko intenzivni industriji, s poudarkom na hladni valjarni B3 podjetja Impol. V okviru raziskave so bili analizirani glavni porabniki električne energije, kot so pogoni valjev, hidravlični agregati, ventilacijski sistemi in pomožni mehanizmi, ki pomembno vplivajo na skupno porabo. Posebna pozornost je bila namenjena obdobjem nedejavnosti, ko določeni porabniki ostajajo vključeni kljub mirovanju proizvodnega procesa, kar vodi do nepotrebne rabe energije in povečane obrabe opreme. Na podlagi analiz je bila razvita idejna zasnova posebnega obratovalnega režima »malica«, ki omogoča avtomatski izklop izbranih porabnikov v času kratkotrajnih prekinitev procesa. Rešitev temelji na dopolnitvi obstoječega krmilnega sistema in vključuje programsko kodo za avtomatiziran nadzor stanj porabnikov. Testiranje je pokazalo, da režim omogoča merljive prihranke električne energije in stroškov, brez negativnega vpliva na zanesljivost proizvodnje. Diplomsko delo neposredno prispeva k praksi v podjetju, saj ponuja konkretno rešitev, ki jo je mogoče z minimalnimi prilagoditvami razširiti tudi na druge valjarne v obratu. Poleg tega predstavlja izhodišče za nadaljnje izboljšave, kot so širša digitalizacija proizvodnih linij, vključitev IoT rešitev in napredne analitike, kar bi omogočilo optimizacijo porabe energije na ravni celotnega podjetja. Poleg praktične vrednosti ima delo tudi širši pomen za trajnostno poslovanje, saj vsak prihranek energije pomeni zmanjšanje emisij toplogrednih plinov in večjo skladnost s cilji Evropske unije glede podnebne nevtralnosti. Naloga dokazuje, da je energetsko učinkovitost mogoče izboljšati ne le z velikimi investicijami, temveč tudi z manjšimi, a premišljeno načrtovanimi ukrepi, ki združujejo tehnično inovativnost in odgovorno ravnanje do okolja.
Keywords:	energetska učinkovitost, avtomatizacija, industrijska poraba električne energije, valjarna B3, Impol d.d., režim malica, krmilni sistemi, PLC, hidravlični agregati, ventilacijski sistemi, trajnostno poslovanje, digitalizacija proizvodnje, IoT, energetski menedžment, zmanjšanje emisij CO₂
Place of publishing:	Maribor
Year of publishing:	2025
PID:	20.500.12556/DKUM-95397
Publication date in DKUM:	23.12.2025
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Downloads:	16
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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:	16.09.2025

Secondary language

Language:	English
Title:	Automated Shutdown of Energy Consumers during Work Interruptions at the B3 Rolling Mill in Impol d.d.
Abstract:	This thesis addresses the issue of energy efficiency in energy-intensive industries, with a focus on the cold rolling mill B3 of the company Impol. The research analyzed the main electricity consumers, such as roll drives, hydraulic units, ventilation systems, and auxiliary mechanisms that significantly influence overall energy consumption. Special attention was given to periods of inactivity, during which certain consumers remain switched on despite production downtime, resulting in unnecessary energy use and increased equipment wear. Based on the analysis, a conceptual design of a special operating mode called “break mode” was developed, enabling the automatic shutdown of selected consumers during short process interruptions. The solution is based on an upgrade of the existing control system and includes a program code for automated monitoring of consumer states. Testing has shown that the mode allows measurable savings in electricity and costs, without negatively affecting production reliability. The thesis directly contributes to industrial practice by offering a concrete solution that can, with minimal adjustments, be extended to other rolling mills within the plant. Furthermore, it serves as a basis for future improvements, such as wider digitalization of production lines, integration of IoT solutions, and advanced analytics, enabling optimization of energy consumption at the company-wide level. In addition to its practical value, the thesis also has a broader impact on sustainable business operations, as every energy saving reduces greenhouse gas emissions and supports the European Union’s climate neutrality goals. The presented solution demonstrates that energy efficiency does not necessarily require large investments but can also be achieved through smaller, well-planned measures that combine technical innovation with environmental responsibility.
Keywords:	energy efficiency, automation, industrial electricity consumption, rolling mill B3, Impol d. o. o., break mode, control systems, PLC, hydraulic units, ventilation systems, sustainable business, production digitalization, IoT, energy management, CO₂ emissions reduction

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