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Title:Sprotno ocenjevanje stanja prenapetostnih odvodnikov v elektroenergetskem omrežju : doktorska disertacija
Authors:ID Vončina, Vid (Author)
ID Milanovič, Miro (Mentor) More about this mentor... New window
ID Pihler, Jože (Comentor)
Files:.pdf DOK_Voncina_Vid_2021.pdf (4,04 MB)
MD5: 64C098D177B166E1BF4C9ADCEA71B731
PID: 20.500.12556/dkum/577bd80d-0f2d-43b9-81e3-3400aba48ba0
 
Language:Slovenian
Work type:Doctoral dissertation
Typology:2.08 - Doctoral Dissertation
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:V doktorski disertaciji sta predstavljena zasnova in razvoj naprave za sprotno ocenjevanje stanja prenapetostnih odvodnikov brez iskrišč. Naprava je namenjena vgradnji na ozemljitveni del prenapetostnega odvodnika in uporabi pod napetostjo. Zaradi nedostopnosti in večjih razdalj do vgradnega mesta prenapetostnega odvodnika je naprava opremljena s komunikacijskim sistemom, ki omogoča pošiljanje podatkov meritev prenapetostnih odvodnikov ne glede na lokacijo. S pomočjo dobljenih meritev celotnega uhajavega toka prenapetostnega odvodnika je s pomočjo predstavljenega algoritma, ki izkorišča razmerje med celotnim uhajavim tokom in uporovno komponento uhajavega toka, možno določiti stanje prenapetostnega odvodnika. Po interpretaciji je meritve možno posredovati preko prenosa podatkov na strežnik in kasneje do pristojnih vzdrževalnih služb v kontrolnem centru.
Keywords:uhajavi tok, metaloksidni prenapetostni odvodnik, uporovna komponenta uhajavega toka, daljinsko in sprotno ocenjevanje
Place of publishing:Maribor
Place of performance:Maribor
Publisher:V. Vončina
Year of publishing:2021
Number of pages:XVI, 89 f.
PID:20.500.12556/DKUM-80186 New window
UDC:621.316.938(043.3)
COBISS.SI-ID:96800515 New window
Publication date in DKUM:10.02.2022
Views:1116
Downloads:138
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:01.09.2021

Secondary language

Language:English
Title:Real time assessment of surge arrester state in electric power grid
Abstract:This doctoral dissertation presents the development of the theoretical background and the design of an electronic device for monitoring the condition of a gapless Metal Oxide Surge Arrester. The device is intended to be used online. Due to the inaccessibility and possible remote location of most surge arresters, it is equipped with a communication system, allowing the device to convey the measurement of the surge arrester characteristics under any conditions. By gathering measurements of the surge arrester’s total leakage current, it is possible, on the basis of the ration between the total leakage current and the resistive component of the leakage current, to determine the condition of the MOSA. After interpreting the results, these can be sent via a data transfer unit to a server, which, in turn, sends it onward to the authorized personnel through the surge arrester control center.
Keywords:leakage current, metal oxide surge arrester, resistive component of leakage current, remote and real time monitoring


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