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Analiza delovanja distančne zaščite pri enofaznih stikih dvostransko napajanih prenosnih vodov [Elektronski vir] = Analysis of distance protection operation during phase to earth faults on transmission lines supplied from both endsPolajžer, Boštjan, 1972- ...V prispevku je podana analiza vplivnih parametrov pri enofaznih stikih dvostransko napajanih prenosnih vodov z vidika izračunanih (izmerjenih) impedanc ob upoštevanju algoritmov, ki so dejansko ... implementirani v najpogosteje vgrajenih zaščitnih relejih. Obravnavane so variacije ključnih parametrov, ki vplivajo na izračunane impedance: stanje pred okvaro, upornost in mesto okvare, ter amplitudne in fazne razmere napetosti na obeh koncih prenosnega voda. Analiza obravnavanega 400 kV voda z vidika občutljivosti in selektivnosti nadgrajuje ugotovitve in priporočila, ki se običajno navajajo v strokovni literaturi. Izračuni so izvedeni s posebej razvitim računalniškim orodjem, ki omogoča tudi napredno preizkušanje distančne zaščite prenosnih vodov. Rezultati analize in preizkušanja kažejo, da je občutljivost prve stopnje distančne zaščite pri bolj oddaljenih okvarah z večjo prehodno upornostjo predvsem odvisna od relativnega kota napetosti na obeh koncih voda.Source: Enajsta konferenca slovenskih elektroenergetikov, Laško, 27.-29. maj 2013 [Elektronski vir] (Str. 1-5)Type of material - conference contributionPublish date - 2013Language - slovenianCOBISS.SI-ID - 17015062
Author
Polajžer, Boštjan, 1972- |
Grčar, Bojan |
Hrovat, Gorazd |
Prepeluh, Franc |
Traven, Blaž
Topics
analiza vplivnih parametrov |
prenosni vodi |
izračuni
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Polajžer, Boštjan, 1972- | 18698 |
Grčar, Bojan | 09479 |
Hrovat, Gorazd | 22436 |
Prepeluh, Franc | |
Traven, Blaž |
Source: Personal bibliographies
and: SICRIS
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