DOI: https://doi.org/10.15802/etr.v0i7.42294

Features current collection interregional electric train

В. А. Дьяков, Л. Ю. Жирова, М. Н. Перевертень, В. Н. Шатыло

Abstract


By increasing, the speed of CSE on the railways of Ukraine became necessary to improve the design of overhead lines and current collectors. Appearance on steel mains electric, capable of speeds up to 160 km / h, revealed problems with current collector, which previously did not exist because of the lower rate of CSE. It turned out that mounted in the early 60s compensated catenary , designed for speeds up to 160 km / h , is unable to provide reliable current collection , as experimentally verify its specifications could not be due to the lower rate of EPS .

The article describes some of the features in the current collection of interregional trains and provides an analysis of changes in the elasticity coefficient of irregularity typical overhead lines operating in Ukraine, on the ambient temperature. It is shown that the modernization of the contact network for high-speed trains need to change the design parameters of catenary and elasticity to align the catenary in the span to replace copper contact wires and cables carrying on bronze , having a high mechanical strength.

Keywords


interregional train; spring and air suspension; pantograph; catenary; current collector; irregularity factor elasticity

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