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undergraduate thesis
Određivanje zone štićenja privremenih uzemljivača i kratkospajača
2018. urn:nbn:hr:190:863922
Virag, Igor
University of Rijeka
Faculty of Engineering

Cite this document

Virag, I. (2018). Određivanje zone štićenja privremenih uzemljivača i kratkospajača (Undergraduate thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:863922

Virag, Igor. "Određivanje zone štićenja privremenih uzemljivača i kratkospajača." Undergraduate thesis, University of Rijeka, Faculty of Engineering, 2018. https://urn.nsk.hr/urn:nbn:hr:190:863922

Virag, Igor. "Određivanje zone štićenja privremenih uzemljivača i kratkospajača." Undergraduate thesis, University of Rijeka, Faculty of Engineering, 2018. https://urn.nsk.hr/urn:nbn:hr:190:863922

Virag, I. (2018). 'Određivanje zone štićenja privremenih uzemljivača i kratkospajača', Undergraduate thesis, University of Rijeka, Faculty of Engineering, accessed 10 July 2024, https://urn.nsk.hr/urn:nbn:hr:190:863922

Virag I. Određivanje zone štićenja privremenih uzemljivača i kratkospajača [Undergraduate thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2018 [cited 2024 July 10] Available at: https://urn.nsk.hr/urn:nbn:hr:190:863922

I. Virag, "Određivanje zone štićenja privremenih uzemljivača i kratkospajača", Undergraduate thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2018. Available at: https://urn.nsk.hr/urn:nbn:hr:190:863922

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Metadata
TitleOdređivanje zone štićenja privremenih uzemljivača i kratkospajača
Title (english)Temporary earthing and short-circuiting devices' protection zone calculation
AuthorIgor Virag
MentorDubravko Franković (mentor)
Committee memberNino Stojković (predsjednik povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
Rijeka
Defense date and country2018-05, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Power Engineering
Abstract
Budući da je prilikom izvršavanja radova na galvanski odvojenim neaktivnim dijelovima postrojenja moguća pojava struje kratkog spoja, javila se potreba za efikasnom i prenosivom zaštitnom opremom koja bi omogućila određenu zaštitnu zonu, u kojoj bi se rizik od opasnog dodirnog napona uklonio. Takve naprave nazivaju se naprave za privremeno uzemljenje i kratko spajanje. Cilj ovog rada je prikazati metodologiju izbora spomenutih naprava i način njihove implementacije u energetska postrojenja. Kako bi se to učinilo, potrebno je detaljno razmotriti poveći broj poglavlja i pod poglavlja ovog rada. Na primjeru klasičnog zrakom izoliranog postrojenja srednjeg napona izvršeni su potrebni proračuni za izračunavanje širine zaštitne zone za dva karakteristična slučaja nastajanja opasnih dodirnih napona. Na temelju izračuna najmanje širine zaštitne zone štićenja, izračunat je broj pozicija za priključenje spomenutih naprava, te su te iste pozicije prikazane na tropolnoj shemi postrojenja.
Abstract (english)
Whether it is maintenance or any kind of work which is preformed by human on galvanically separated non-active parts of the busbar sistems or on substations equipment in general, a short circuit current may occur, which is why there is a need for efficient and portable protective equipment that would allow a certain protection zone where the risk of dangerous contact voltage would be removed. Such devices are referred to as devices for temporary earthing and shortcircuting. The aim of this paper is to present the methodology for selecting these devices and their implementation in electrical switchgears. To do this, it is necessary to consider in detail all the chapters of this paper. Calculation required to calculate the width of the protection zone for two caracteristic cases of dangerous contact voltages were preformed on classically air-insulated medium-voltage electrical switchgear. Based on the calculation of the minimum width of the protection zone, the number of positions for the concetion of previously mentioned devices has been calculated, and these positions are shown on the three-phase scheme of classically airinsulated medium-voltage electrical switchgear.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:190:863922
Study programmeTitle: Undergraduate Vocational Study of Electrical Engineering
Study programme type: professional
Study level: undergraduate
Academic / professional title: stručni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike (stručni/a prvostupnik/prvostupnica (baccalaureus/baccalaurea) inženjer/inženjerka elektrotehnike)
Type of resourceText
File originBorn digital
Access conditionsAccess restricted to students and staff of home institution
Terms of useLicence In copyright icon
Created on2022-04-11 06:57:30