20.500.12556/DKUM-44371 ZAMENJAVA ZAŠČITE V STIKALIŠČU LASTNE RABE NA BLOKU 4 V TERMOELEKTRARNI TRBOVLJE PROTECTION REPLACEMANT IN OWN CONSUMPTION SWITCHYARD OF THE BLOCK 4 IN THERMAL POWER PLANT TRBOVLJE Delo obravnava zamenjavo relejne zaščite 6 kV razvod lastne rabe bloka 4 v TE Trbovlje. Opisane so izkušnje s tovrstnimi napravami in narejena je analiza izpada bloka zaradi nepravilnega delovanja zaščite. Za osnovo za nastavitev parametrov zaščite smo analizirali kratkostične razmere v tem delu elektroenergetskega sistema in opravili zagonske meritve motorjev. Zbrane informacije so bile podlaga za izračun zaščitnih parametrov. Nastavitve so računsko in teoretično opisane za vsak sklop naprav. Rezultati so podatki za ustrezno koordinacijo zaščitnih elementov. Master thesis deals with the replacement of relay protection on 6 kV distribution of own consumption of block 4 in thermal power plant Trbovlje. The experience with these devices are described and the analysis of the failure of the block due to a protection malfunction is made. As a basis for proper settings of the protection parameters, short-circuit conditions in this part of the electricity system were analyzed and the start-up parameters measurements of AC motors were performed. The information contained herein has been the basis for calculating of the protective parameters. Settings are calculated and theoretically described for each set of devices and installations. Results obtained are parameters for the proper coordination of protective relays. elektroenergetsko omrežje relejna zaščita srednjenapetostno stikališče izračuni kratkih stikov electrical grid relay protection medium-voltage switchyard short circuit calculations true true false [M. Knez] Slovenski jezik Angleški jezik Magistrsko delo/naloga 2014-05-22 11:17:56 2014-07-14 14:17:08 2022-05-12 03:08:02 2021-04-30 03:37:39 2014 0 Krško 0 0000-00-00 NiDoloceno NiDoloceno NiDoloceno 0000-00-00 0000-00-00 0000-00-00 621.311.22.064.1:621.316.925(497.4Trbovlje)(0 1024175708 URN:SI:UM:DK:JMED7XRX MAG_Knez_Marko_2014.pdf MAG_Knez_Marko_2014.pdf 1 E54EB03DC5A32F73EC9EC2FB75EDE7F8 2cfd20f26e436f6988aaccbde131b796894178b686016248831dc976ca3e0a21 fb5e3e3f-7c0a-11eb-bb7a-00155d0001ca https://dk.um.si/Dokument.php?lang=slv&id=64853 Fakulteta za energetiko 0 0 0