Intelligent technologies applied to increase the energy efficiency of electrified direct-current rolling stock

The energy strategy for the development of railroad transport provides for creating multiple-unit rolling stock with smooth speed control which allows saving energy at a level of up to 10%. According to analysis of the state of the locomotive fleet, the current multiple-unit rolling stock is characterized by high energy capacity. In addition to capital expenses on rolling-stock purchases and running maintenance, a large amount of money is spent on electricity, which the Energy Strategy of the Russian Railways to 2020 aims to reduce. The operation of outmoded powerplants (ac resistor-start traction motors) is the main cause of the increased amounts of electricity used in hauling operations. Rolling-stock energy efficiency can be improved only with the help of an integrated traction drive control system based on modern intelligent technologies.

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