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25.637  Articles
1 of 2.565 pages  |  10  records  |  more records»
In the paper on the example of electric trains of a series ??9 it is suggested a variant of estimation of service life for carrying structures of the motor-wagon rolling stock, which are analogs, on the basis of results of comparative analysis of values, ... see more

In the article the issues of increase in operation rate of devices of power circuits’ protection for the electric rolling stock are considered, the mathematical model of an engine of consecutive excitation is presented and the results of modeling of trans... see more

The rolling stock modernization, during conduction of a major overhaul, should be made taking into account modern scientific achievements. In the article the basic possibility of transfer of suburban traffic on electric traction on non-electrified lines w... see more

The question of increasing the reliability of electromagnetic contactors of the electric rolling stock is examined.

Two ways of determining the spectral structure of random functions of the traction current and voltage on electric rolling stock current collectors are considered in the article. As an example, interharmonics of consumed current and voltage on the current... see more

The article examines transitional processes in the power circuit of tractive motors and their influence on the work of stepped automatic starting of electric trains ER9T and EPL9T. The recommendations for increasing the reliability of operation of multipl... see more

The issues of determination of level of no-failure operation and cost of maintenance of the equipment of control and protection systems for the railway rolling stock as important integral factors of reliability are considered in the paper.

The new improved method of determination of the nonlinear function of several random variables-arguments as applied to traction and counteracting characteristics of the rolling stock electromagnetic contactors is proposed. A parameter which has the most s... see more

In order to minimize the reactive power and higher harmonics of currents, as well as to improve the electromagnetic compatibility of electrical traction networks and systems of railroad automation, modern electric rolling stock of alternating current empl... see more

1 of 2.565 pages  |  10  records  |  more records»