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190.101  Articles
1 of 19.011 pages  |  10  records  |  more records»
The methods of determination of the optimal parametric series of boosters for the test desks for traction electric motors of direct current electric locomotives are offered in the article.

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The methods of determination of equivalent load current in tests of electric locomotive traction engines without forced ventilation with use of the results of qualification test of engines of certain types are offered in the article.

Purpose. The work is aimed to study the change in parameters of traction electric motors of trolleybuses during operation and improvement of the technical state control system, using modern diagnostic methods. Methodology. Solution of the scientific ... see more

The value of saturation factor for traction D.C. motors, which allow promoting the  accuracy of calculations based on application of universal magnetic characteristic, is offered. 

Dependence of the traction engine sparking degree on practical realization of tolerances on geometric parameters of the magnetic circuit of additional poles under transition modes during the trolley take-off from contact mains and further recovering the f... see more

The theoretical determination procedure of an equivalent loading current in tests of traction electric motors on heating without ventilation is offered. The results of calculation of an equivalent current for traction engine ED-118A are presented, as well... see more

In the article the structured schemes of steady-state converter are offered for traction drive of promising multisystem electric locomotives with traction engines of direct current and their comparative analysis is conducted.

This work addresses the problem of mitigating the effects of the cogging torque in permanent magnet synchronous motors, particularly brushless motors, which is a main issue in precision electric drive applications. In this work, a method for mitigating th... see more

1 of 19.011 pages  |  10  records  |  more records»