DS Journal of Digital Science and Technology (DS-DST)

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Volume 2 | Issue 2 | Year 2023 | Article Id: DST-V2I2P103 DOI: https://doi.org/10.59232/DST-V2I2P103

The Determination of Mode of Load by the Adhesion for Locomotives with Induction Traction Motors

Mikhail Pustovetov

ReceivedRevisedAcceptedPublished
11 Feb 202303 Mar 202314 Mar 202327 Apr 2023

Citation

Mikhail Pustovetov. “The Determination of Mode of Load by the Adhesion for Locomotives with Induction Traction Motors .” DS Journal of Digital Science and Technology, vol. 2, no. 2, pp. 23-31, 2023.

Abstract

There is a problem with establishing critical norms for the masses of trains for driving by freight locomotives. Usually, numerical values of the locomotive wheelset slippage criteria have been used to distinguish between load modes by adhesion. The author of this work proposes to evaluate the load mode of locomotives by adhesion without resorting directly to calculating the slippage of wheel sets. A method for determining the load mode of locomotives by adhesion based on the statistical Fisher criterion is proposed. It is proposed to evaluate the mode of loading of locomotives by adhesion based on a comparison of the curve of the calculated coefficient of adhesion for the selected series of the locomotive and the curves of the calculated coefficient of traction obtained as a result of experimental trips. The results of applying the method to the data of experimental trips with an electric freight locomotive 2ES10 on the Sverdlovsk railway are presented.

Keywords

Induction traction motor, Freight electric locomotive, Coefficient of adhesion, Coefficient of traction, Statistical fisher criterion

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The Determination of Mode of Load by the Adhesion for Locomotives with Induction Traction Motors