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Title:NASTAVITVE KOMPENZACIJSKE DUŠILKE NA OSNOVI ZEMELJSKOSTIČNIH PREIZKUSOV V RTP BOHINJ
Authors:ID Vidic, Matej (Author)
ID Grčar, Bojan (Mentor) More about this mentor... New window
Files:.pdf VS_Vidic_Matej_2014.pdf (2,77 MB)
MD5: 76AAF8FAFFD3AB14AA230C44218590FA
 
Language:Slovenian
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Naloga obravnava enofazne zemeljskostične preizkuse v RTP Bohinj, ki ima indirektno ozemljeno nevtralno točko preko vzporedno vezanega upora in kompenzacijske dušilke z odcepi. Zemeljskostični preizkusi so bili opravljeni z direktno ozemljitvijo faznega vodnika v eni od izvodnih celic, pri čemer je bila kompenzacijska dušilka enkrat vključena, drugič pa ne. Namen opravljenih preizkusov je bil preveriti delovanje občutljive smerne zemeljskostične zaščite, izmeriti kapacitivne zemeljskostične toke posameznih izvodov in na podlagi izmerjenih vrednosti predlagati ustrezne nastavitve zemeljskostične zaščite. Poleg tega smo s preizkusi preverili pravilnost delovanja kompenzacijske dušilke z odcepi, z numeričnimi izračuni pa smo določili takšno nastavitev, da bo vpliv kapacitivnih tokov ob zemeljskih stikih čim manjši.
Keywords:enofazni zemeljskostični preizkus, ozemljitev nevtralne točke, zemeljskostična zaščita, zaščitni rele
Place of publishing:Maribor
Publisher:[M. Vidic]
Year of publishing:2014
PID:20.500.12556/DKUM-44648 New window
UDC:621.316.99
COBISS.SI-ID:18307094 New window
NUK URN:URN:SI:UM:DK:3DZWAENJ
Publication date in DKUM:05.11.2015
Views:1977
Downloads:199
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FERI
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Secondary language

Language:English
Title:SELECTION OF ARC SUPPRESSION COIL BASED ON FIELD TESTS IN RTP BOHINJ
Abstract:Thesis addresses single-phase earth-fault field tests in RTP Bohinj, a transformer station with indirectly earthed neutral point over parallel connected resistor and multi-tap arc-suppression coil. Earth-fault tests were performed with direct earthing of a phase conductor in one of source cells, with compensating coil, once being alternatively turned on and off. The goal of field tests was to verify the operation of sensitive directional earth-fault protection, to measure capacitive earth-fault currents of individual sources and based on these values propose a correct settings for earth-fault protection. Besides that, correct operation of the compensating coil was tested and, based on simulation calculations, the tap setting assuring minimal earth-fault current was proposed.
Keywords:single-phase earth-fault test, earthing of transformer neutral point, earth-fault protection, protection relay


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