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871  Articles
1 of 88 pages  |  10  records  |  more records»
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 computer modeling method and results of dynamical modes in asynchronous traction drive on perspective diesel locomotives with voltage inverters and vector control are present

The article considers issues of introducing new modes of traction collector electric motors operation and application of static converters with the purpose of improving the power performances of a.c. electric locomotives.

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 deals with the effect of asymmetric character of the Lithuanian railroad freight traffic in western and eastern directions on the selection of optimal locomotive traction. On the basis of analysis of data on freight turnover in 1999, it has been... see more

In the article a comparative analysis of different variants of structured schemes of static converters for traction drive of the promising multi-system electric locomotive is performed. As a criterion of comparison estimation it is offered to use the valu... 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.

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.

In the article the electric circuit of substitution and mathematical model of the system of alternating current «traction substation - traction mains - electric locomotive DS 3» at switching its power transformer on in the idle mode are presented. Numeric... see more

1 of 88 pages  |  10  records  |  more records»