Influence of feeding electric energy quality on heating of the auxiliary machines of ac electric rolling stoc

Authors

  • O. Yu. Baliichuk Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine https://orcid.org/0000-0003-0119-1446
  • L. V. Dubynets Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine https://orcid.org/0000-0003-0319-4544
  • O. M. Dukhnovskyi Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine https://orcid.org/0000-0001-5087-4206
  • O. O. Marenych Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine https://orcid.org/0000-0003-4162-1746
  • O. L. Marenych Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk, Ukraine https://orcid.org/0000-0003-3602-5851

DOI:

https://doi.org/10.15802/stp2014/25800

Keywords:

overheating, electrical power quality, asymmetry, auxiliary electrical machines, electric stock, AC

Abstract

Purpose. The article aims to study the problem of increase the reliability of auxiliary machines for AC electric trains during operation in real conditions. Methodology. The peculiarity of system construction of auxiliary machines for AC electric rolling stock is the use of asynchronous motors for general industrial purpose. An engineering method of influence determination on the feeding voltage asymmetry and its deviation from the nominal value on heating of auxiliary machines insulation was proposed. Findings. It is found out that in case when the auxiliary machines of AC electric trains work under asymmetry factor of the voltage 10% or more and feeding voltage deviation from the nominal order 0.6 relative unit then it is possible the overheat of their isolation, even if it has class H. Originality. For the first time the issue of the total insulation heating under such boundary parameters combinations of energy quality, when each of them contributes to the heating insulation increase as compared to the nominal regime of the "rotating phase splitter−auxiliary machinery" system was illuminated. Practical value. Conducted research allow us to establish the boundary parameter values of feeding energy quality (asymmetry factor, feeding voltage deviations from the nominal value), at which additional isolation overheating of this class under the effect of specified factors will not exceed the agreed value.

Author Biographies

O. Yu. Baliichuk, Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk

А. Ю. Балийчук

L. V. Dubynets, Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk

Л. В. Дубинець

O. M. Dukhnovskyi, Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk

О. М. Духновський

O. O. Marenych, Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk

О. О. Маренич

O. L. Marenych, Dep. "Electrical Engineering and Electromechanics", Dnipropetrovsk National University of Railway Transport named after Academician V. Lazaryan, Lazaryan St., 2, Dnipropetrovsk

О. Л. Маренич

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Published

2014-06-25

How to Cite

Baliichuk, O. Y., Dubynets, L. V., Dukhnovskyi, O. M., Marenych, O. O., & Marenych, O. L. (2014). Influence of feeding electric energy quality on heating of the auxiliary machines of ac electric rolling stoc. Science and Transport Progress, (3(51), 34–41. https://doi.org/10.15802/stp2014/25800

Issue

Section

ELECTRIC TRANSPORT, POWER SYSTEMS AND COMPLEXES