GEOMETRIC INTERPRETATION OF REACTIVE POWER AND ITS RELATION WITH THE SPECTRAL COMPOSITION OF THE TRACTION VOLTAGE AND CURRENT OF HIGH-SPEED LOCOMOTIVES

Authors

DOI:

https://doi.org/10.15588/1607-6761-2015-2-11

Keywords:

two-terminal, reactive power, non-sinusoidal value, electric, electric locomotive, spectral composition, current-voltage characteristics, harmonica

Abstract

The introduction in Ukraine of high-speed trains with increased of their traffic up to 200 km/h requires the more powerful than the normal movement of types of alternating current electric rolling stock, in particular, electric locomotives. It is known that the more powerful electric locomotives are the more powerful generators of reactive power, in which the transit system of AC electric traction is one of the problems that are still not resolved. Therefore the design of new special stages or the transition of the existing ones from the DC system to AC should be done taken into account the generation and transit in system of the electric drive train of the reactive power. Even to this day there is a problem in electrical engineering of reactive power estimation and energy performance of the non-linear, or even the more unsteady, consumers. Therefore, preference is given to the theory, which, firstly, reflects the maximum information about the energy process and, secondly, allows to operate with the instant system characteristics. The paper found that there is some connection between CVC and spectral composition circles with non-sinusoidal voltage and current in the two-terminal circuit. According to the research the numerical analysis of the specified connection is performed for high-speed electric locomotive DS 3M

Author Biography

T. M. Mishchenko, Dnepropetrovsk National University of Railway Transport named after Academician V. Lazaryan

Ph.D., Associate Professor, Dept. «Electricity railways», Department of Electric Power Supply of Railroads

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How to Cite

Mishchenko, T. M. (2015). GEOMETRIC INTERPRETATION OF REACTIVE POWER AND ITS RELATION WITH THE SPECTRAL COMPOSITION OF THE TRACTION VOLTAGE AND CURRENT OF HIGH-SPEED LOCOMOTIVES. Electrical Engineering and Power Engineering, (2), 81–86. https://doi.org/10.15588/1607-6761-2015-2-11

Issue

No. 2 (2015): Electrical Engineering and Power Engineering

Section

Electroenergetics

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Copyright (c) 2017 T. M. Mishchenko

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