The Aspects of Modernization of Diesel-Electric Locomotives and Platform for Transportation of Railway Switches in Lithuanian Railways

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The Aspects of Modernization of Diesel-Electric Locomotives and Platform for Transportation of Railway Switches in Lithuanian Railways

Liudvinavičius, Lionginas / Dailydka, Stasys

Abstract Electrical locomotives made in Russia, Czechoslovakia and Ukraine have been used primarily in the railways of the former Soviet Union. Russian companies have manufactured the TEM1 and TEM2 diesel-electric shunting locomotives and the TEP-60 and TEP-70 passenger locomotives, while the 2M62 freight locomotives have been manufactured in Ukraine. The ČME2 and ČME3 shunting diesel-electric locomotives, manufactured in Czechoslovakia, were manufactured with analogous control systems of the entire powertrain and electric drive, which have many deficiencies, the most important of which is high fuel consumption. Reducing power transmission losses from the primary power source—the diesel engine—to the wheel sets is critical. JSC Lietuvos geležinkeliai, who owns a fleet of TEM2 and ČME3 typical shunting locomotives, 2M62 freight locomotive and TEP-70 passenger locomotive, made the decision to modernize them. To this end, JSC Lietuvos geležinkeliai established a subsidiary company, Vilniaus lokomotyvų remonto depas UAB, where locomotives were modernized and new locomotives were manufactured for JSC Lietuvos geležinkeliai and railways abroad during the period 2005–2015. Modernization was performed together with scientists from Vilnius Gediminas Technical University (VGTU). Companies participating in the modernization effort included Vilniaus lokomotyvų remonto depas UAB, Czech company CZ Loko a.s., CJSC TMHB Transmashholding, the Briansk machine building plant (Russia), Transmashholding, Caterpillar, MTU, and the Hungarian company Woodward-Mega Kft, among others.