Technológ - Ročník 16.; Číslo 4/2024
Permanent URI for this collectionhttps://drepo.uniza.sk/handle/hdluniza/1174
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Item Súčasný stav prevodoviek s nastaviteľným prevodovým pomerom pri elektrickom pohone(University of Žilina, 2024) Blatnický, Miroslav; Samaš, Vladimír; Dižo, JánThe scope of this article covers potential technologies for transmission mechanisms with variable gear ratios that can be applied to electric traction. A transmission with an adjustable gear ratio allows for the adaptation of the gear ratio according to usage conditions. By adjusting the gear ratio and consequently the traction forces, we can enhance driving parameters, e.g. improved both efficiency and range. The paper theoretically examines various transmissions with variable gear ratios and compares their parameters in the context of electric drives.Item Motorové jednotky nezávislej trakcie s jednonápravovým podvozkom(University of Žilina, 2024) Bučko, Martin; Dižo, Ján; Blatnický, Miroslav; Lovska, AlyonaThe article analyses the current state of the motor wagons and units with implemented single-axle bogies, operated on local lines as well as abroad. The technical parameters of individual rolling stock were compared. The main goal of the article is to present an overview of independent traction multiple units, which are equipped with a single-axle bogie. There are described rail vehicles used on only in the Slovak Republic, but also in Europe. As the use of this type of rail vehicle is on the decline, this overview reflects the current state in this field of rail vehicle design, at which, information is complemented with corresponding illustrations.