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  1. bookVolume 51 (2021): Issue 4 (December 2021)
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Journal of KONBiN
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Journal
First Published
26 Feb 2008
Publication timeframe
4 times per year
Languages
English
access type Open Access

The Use of Innovative Contact Strip for Pantographs of Electric Rolling Stock. Experience in Operational and Bench Tests

Andrii Mukha
Dmytro Ustymenko
Mohammad Diab Al Said Ahmad
Valeriy Kuznetsov
Marek Skrzyniarz
Waldemar Szulc
Published Online: 30 Dec 2021
Page range: 35 - 48
Journal Details
License
Format
Journal
First Published
26 Feb 2008
Publication timeframe
4 times per year
Languages
English
Abstract

Modern high-tech composite materials are widely used in various sectors of the economy, in particular, in railway transport. Among the areas of application of such innovative materials, the manufacturing of contact strips for pantographs of electric rolling stock should be mentioned. Innovation is primarily understood as the self-lubricating property of the working surface of the linings. The linings made of such materials differ from the traditional graphite (coal) ones by the increased content of metal additives, in particular copper, which limits the possibility of their use on electric rolling stock in the countries of the European Union. Regulatory restrictions on the content of copper (35% and 40%) are associated with possible damage to the contact wire, in the case of using overlays with a content of copper (metals) greater than these restrictions. On the railways of Ukraine (countries of the former USSR), there are also restrictions on the use of linings of different types according to the degree of wear of the contact wire, no more than 40 microns is allowed per 10 thousand passes of the locomotive pantograph along the contact wire. These standards are verified during operational and bench tests. The aim of the article is to present the types of tests and compare the obtained values with similar indicators in the case of using a traditional contact strip for pantographs of electric rolling stock. The results obtained confirm the possibility of using innovative linings on iron networks, since the wear of the contact wire during testing is much lower than that of the normative and knife than for traditional types of linings. In addition, during a set of tests, the fact of improving the quality of the working surface of the contact wire was established, which positively affects the extension of the service life of the contact wire.

Keywords

  • sliding contact
  • electric locomotive pantograph
  • pantograph contact strip
  • contact wire wear
  • bench tests

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