Abstract
In this article the authors quoted results of traction motors speed performance variations statistical analysis and wage wheels bands diameters deviations according to operation data. The authors of this publication offered the method of determining the non-uniformities of current distribution in the power circuit of the locomotive, based on probabilistic approach, and also performed its comparison with classic computation approach. The next statistical performance of the continuous current locomotives traction drive is as follows: mathematical expectation of the motors magnetic flux; mean square deviation of magnetic flux; statistical dispersion and average square deviation of wage wheels bands diameters. With help of the received data it became possible to improve determination of non-uniformities currents deviations on traction motors during loading of the electric locomotives.
Highlights
Efficiency of the locomotives work can be significantly increased provided that we use trailing weight, power of traction electric drives to a fuller extent and improve the traction electric drives control systems [1,2]
The existing diagrams and control algorithms do not allow to implement potentialities of traction rolling stock concerning using of trailing weight and power of electric drives completely
The main method to improve performance of the locomotives is to develop devices for the locomotive traction control system altogether and for each wage wheels individually [3, 4]
Summary
Efficiency of the locomotives work can be significantly increased provided that we use trailing weight, power of traction electric drives to a fuller extent and improve the traction electric drives control systems [1,2]. The existing diagrams and control algorithms do not allow to implement potentialities of traction rolling stock concerning using of trailing weight and power of electric drives completely. Determination and elimination of factors, which have an impact on inequality of the current distribution at the power circuits of the locomotives is a currently central issue. When we solve this issue, it will allow us to improve traction output performance of the existing rolling stock
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