Improving the quality of electrical energy in “two wire-rail” lines

Authors

  • Д.О. Босий Dnipropetrovsk National University of Railway Transpor named after academician V. Lazaryan, Lazaryan Street, 2 Dnepr, Ukraine, 49010, Ukraine https://orcid.org/0000-0003-1818-2490
  • Д.Р. Земський Dnipropetrovsk National University of Railway Transpor named after academician V. Lazaryan, Lazaryan Street, 2 Dnepr, Ukraine, 49010, Ukraine https://orcid.org/0000-0003-4322-0727

DOI:

https://doi.org/10.15802/etr.v0i12.101609

Keywords:

quality of electrical energy, AC traction system, DPR line, not traction consumers, LZF-27.5 kV, phase-shifting transformer.

Abstract

The tendency to increase the number of high-power electric  equipments and urgent problem of rational use of energy resources attract attention to the issues of quality of electric energy. In the past, the electrification of railway lines was used to provide power supply for the consumers located near the railway through mounted on the contact line network supports the TWR. Distortion of sinusoidal voltage and asymmetry that arise in the TWR line, due to the use of the track instead of the third phase conductor, and the strong influence of the electromagnetic of traction network. A significant disadvantage of operating power supply longitudinal line of the  AC traction, which affects the efficiency of power transmission, is the absence of the possibility of organizing bilateral TWR power lines between adjacent traction substations. The article presents the known methods of improving the quality of electric energy in the electric power supply of consumers not traction railway AC roads. The authors  suggest  of electric circuit phase-shifting device for TWR lines and explain how it works.

Author Biographies

Д.О. Босий, Dnipropetrovsk National University of Railway Transpor named after academician V. Lazaryan, Lazaryan Street, 2 Dnepr, Ukraine, 49010

Department of  "Intelligent power systems"

Д.Р. Земський, Dnipropetrovsk National University of Railway Transpor named after academician V. Lazaryan, Lazaryan Street, 2 Dnepr, Ukraine, 49010

Department of  "Intelligent power systems"

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Published

2017-12-05

Issue

Section

Power Supply