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4.531  Articles
1 of 454 pages  |  10  records  |  more records»
The problem of train traction calculations is considered as the one of resource allocation in a vector formulation.  The solution is based on dynamic programming using a set of points of the optimal Pareto objective function values (energy, time).

The article is a continuation of analysis of the electric equivalent AC circuit «traction substation - device of transversal compensation  - electric-traction network  - electric locomotive DS 3» and the influence on a power  transformer in... see more

The article deals with the analysis of the work of Traction Motor Protecting System on electric locomotives DE1, which protects the motors from inner and outer short circuits in the mode of recuperative breaking. The calculations have revealed that the sy... see more

The paper carries out analysis of the influence of traction power supply system for double-track railway section with different kinds of traction on the work of rail circuits on the basis of developed mathematical model. The model takes into account induc... see more

 The paper suggests a technique of determination of coordinates of passenger electric locomotives marginal tractive characteristic for carrying out traction calculations in solving the problems of parameters optimization of tractive rolling stock’s n... see more

The article is a continuation of analysis of mathematical models for AC systems, in which the elements of electric-traction network and switch-on of power transformer in an idling mode are gradually connected. The numerical calculations and analysis of cu... see more

The object of research is the power regimes in traction power systems for both centralized and distributed power when introducing high-speed traffic. The introduction of high-speed traffic on electrified railways of Ukraine has begun a number of restricti... see more

A high-power reversible converter can achieve a variety of functions, such as recovering regenerative braking energy, expanding traction power capacity, and improving an alternating current (AC) grid power factor. A new hybrid traction power supply scheme... see more

It has been proposed to use power losses as an additional energy parameter to complement basic energy indicators in determining the short circuit mode in a traction power grid. Three techniques have been reported to determine the transitional characterist... see more

1 of 454 pages  |  10  records  |  more records»