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13.155  Articles
1 of 1.317 pages  |  10  records  |  more records»
The analysis of dependence of the magnetic losses in hauling electric motors on the frequency of armature remagnetization is presented. A universal characteristics of the magnetic losses reduced to the frequency of remagnetization of 50 Hertz is offered.

The conditions of compensation of magnetic and mechanical losses during the test of hauling electric machines according to the Potier’s chart are considered.

The wide application and usage of electrical traction system presents utilities with planning andoperation challenges. Electric railways impose several power quality problems to the utility grid. Such as generatedlarge negative sequence components (NSCs),... see more

The analysis of power streams in the schemes of mutual loading of hauling electric machines of direct and pulsating current is presented.

 

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The conditions of compensation of electric losses at the test of hauling electric engines by the Hopkinson’s scheme are considered.

The mathematical model for determination of remaining resource of insulation of the locomotive hauling electric machines, taking into account its initial electric durability and minimum expenses on implementation of restoration works with the purpose of c... see more

With the aim to develop the recommendations for increasing the capacity factor of static converters for the traction electric machines’ test stand this research has been carried out.

1 of 1.317 pages  |  10  records  |  more records»