scholarly journals Improvement of the regenerating energy accounting system on the direct current railways

2015 ◽  
Vol 36 (4) ◽  
pp. 35-42 ◽  
Author(s):  
Valeriy G. Kuznetsov ◽  
Oleg I. Sablin ◽  
Alenka V. Chornaya
Keyword(s):  
Power Supply ◽  
Practical Importance ◽  
Rolling Stock ◽  
Accounting System ◽  
Quantitative Indices ◽  
Energy Accounting ◽  
Traction Power Supply ◽  
Electric Traction ◽  
Regenerative Energy ◽  
Traction Power

Purpose. Monitoring of current state of quantitative indices of regenerative energy in the suburban movement, the analysis of the factors influencing its volumes and improvement the principles of the train regenerative energy accounting on the basis of it. Relevance. Development of effective measures of increase the regeneration efficiency of the electric power in system of electric traction demands comprehensive completeness of information on quantitative indices of regeneration energy volumes at all possible levels of its analysis, in particular on the corresponding sections of RS movement that will allow to establish the influence on the level of regeneration of various factors, such as parameters of traction power supply and the organization of train service. As the existing system of the regenerative energy accounting does not allow to consider the specified factors, development of the principles for increasing the efficiency of the analysis of volumes of return energy to a contact line during regenerative braking on DC rolling stock is the actual direction of researches. Collective monitoring of regeneration energy volumes by specialists of locomotive service, power supply and traffic operating departments will be essentially new approach to definition of real factors and taking effective decisions for increasing of using of regenerative energy. Scientific novelty. It’s offered to consider the influence on quantitative indices of regenerative energy the parameters of traction power supply and the organization (sizes) of traffic service on sections. Practical importance. Increasing the efficiency of the regeneration energy accounting is an important element in drawing up the balance of energy for electric traction system, development of the effective methods for improvement of the conditions of regeneration in it and in estimation of its power indicators in general.

scholarly journals Mathematical model of traction vehicle movement

2019 ◽  
Vol 1 (1) ◽  
pp. 37-42
Author(s):  
Konrad Krzysztoszek
Keyword(s):  
Mathematical Model ◽  
Power Supply ◽  
Railway Line ◽  
Traction Power Supply System ◽  
Current Voltage ◽  
Traction Power Supply ◽  
Electric Traction ◽  
Basic Features ◽  
Vehicle Movement ◽  
Traction Power

The article presents a mathematical model of electric traction vehicle movement in a given power supply area. Starting from the presentation of the basic features of the 3 kV DC traction power supply system used in Poland, the author presents a simulation model of electric traction vehicles movement, which allows to determine the mobility and current - voltage possibilities on a selected railway line. The obtained simulation results fully confirm the possibility of using the model as an aid in the design, modernization or diagnostics of existing railway lines and train traffic.

Modes of Traction Power Supply System in Case of Electric Rolling Stock Equipped with Energy Storage

2014 ◽  
Vol 698 ◽  
pp. 19-23
Author(s):  
Egor Spiridonov ◽  
Nikolai Shchurov ◽  
Artem Larin
Keyword(s):  
Energy Storage ◽  
Power Supply ◽  
Power Supply System ◽  
Electric Energy ◽  
Supply System ◽  
Rolling Stock ◽  
Electric Rolling Stock ◽  
Traction Power Supply System ◽  
Traction Power Supply ◽  
Traction Power

Modes of traction power supply system in case of electric vehicle equipped with energy storage are considered in the paper. It is shown that the application of energy storage for limiting the rolling stock current does not only allow utilizing electric energy more efficiently but also reduces energy loses in traction power supply system.

scholarly journals Electric power accumulators in system of supplying railways with traction energy by direct current

2018 ◽  
Vol 239 ◽  
pp. 01057
Author(s):  
Ilya Rebrov ◽  
Maksim Shevlyugin ◽  
Alexandr Kotelnikov ◽  
Dmitry Ermolenko
Keyword(s):  
Power System ◽  
Electric Power ◽  
Electric Power System ◽  
Rolling Stock ◽  
Railway Transport ◽  
Quality Factors ◽  
Traction Network ◽  
Traction Power Supply ◽  
Electric Traction ◽  
Traction Power

The article describes core criteria, which define efficient application of energy accumulators in railway traction power supply system. Installation points for energy accumulators in electric power system of train electric drivers, where application is most effective, are identified. These points are railway sub-stations, electric traction network and traction power system. The main types of energy accumulators, which essentially can be used on railway transport in traction power system – traction sub-stations and traction network, electric motive power, are examined. They can be used on railway transport and. The quality factors of work for traction energy power and electric motive power are presented, improvement of which can be performed using energy accumulators. International experience of energy accumulators application for railway transport is presented. Russian developments and implementation of energy accumulators from domestic manufacturers are examined, both in the traction power system and in the electric rolling stock. The polygons for the most efficient use of energy storage in the traction power supplying system are identified.

scholarly journals Modeling of traction power supply systems for movement of high-speed trains

2018 ◽  
Vol 216 ◽  
pp. 02006
Author(s):  
Aleksandr Cherepanov ◽  
Vasily Zakaryukin ◽  
Andrey Kryukov
Keyword(s):  
Power Supply ◽  
High Speed ◽  
Rolling Stock ◽  
Software Complex ◽  
Positive Effects ◽  
High Speed Trains ◽  
Traction Power Supply ◽  
Traction System ◽  
Supply Systems ◽  
Traction Power

Upgrading of traction power supply systems will be required to transfer electrified railway lines to high-speed traffic. Coaxial cables and balancing transformers can be used as technical upgrading means. The article presents the results of computer simulation in the Fazonord software complex of the traditional 2x25 kV traction system, as well as systems with coaxial cables and Woodbridge symmetric transformers. Simulation results showed that the use of cables contributes to a significant increase in the level of voltage on current collectors of electric rolling stock. Use of modified Woodbridge transformers makes it possible to reduce the imbalance coefficient by the reverse sequence on high voltage buses of traction substations. However, the reduction is insignificant and depends on the modes of movement of trains in adjacent inter-station zones. The biggest positive effects occur in the integrated application of balancing transformers and coaxial cables.

Cophase Power Supply Control Technology in the Application of the Electric Traction Locomotive

2014 ◽  
Vol 513-517 ◽  
pp. 3938-3941
Author(s):  
Xin Yu Sun
Keyword(s):  
Power Supply ◽  
Control Technology ◽  
Power Development ◽  
Traction Substation ◽  
Traction Network ◽  
Traction Power Supply ◽  
Electric Traction ◽  
Supply Mode ◽  
Power Supply Mode ◽  
Traction Power

China's current traction net unilateral power supply mode and the existing traction substation connection and phase change connection determine the existence of stationary phase of traction network. Therefore, the application of modern power electronics and microprocessor control technology and the development of cophase power supply technology with independent intellectual property rights are the way to realize the innovation of traction power supply technology, which will achieve a win-win situation for cophase power and electric power development, it has the vital significance.

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