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Gang Zhang, Jianglin Qian and Xinyu Zhang
A high-power reversible converter can achieve a variety of functions, such as recovering regenerative braking energy, expanding traction power capacity, and improving an alternating current (AC) grid power factor. A new hybrid traction power supply schem...
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H. O. Damanska
Pág. 81 - 84
In the article the expert management systems on the base of synthesis of heuristic and causal knowledge are offered that allows choosing the energy-saving modes and minimizing the power flow-overs and energy losses in electric-traction networks.
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A. V. Petrov,M. O. Kostin
Pág. 106 - 110
The research results specifying to the consumption of inactive (reactive by Fryze) power in a DC system of electric propulsion are stated in the article. It is shown that this consumption brings to considerable additional losses of electric energy in the...
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O. O. Matusevych
Pág. 72 - 79
For reduction of probability of distortion of the information in modern systems of telemechanics of the MANAGEMENT INFORMATION SYSTEM of traction electrosupply it is necessary to consider(examine) key parameters - reliability, noise immunity, speed and r...
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O. V. Zavhorodnii,V. I. Havryliuk
Pág. 11 - 15
The paper carries out analysis of the influence of traction power supply system for double-track railway section with different kinds of traction on the work of rail circuits on the basis of developed mathematical model. The model takes into account indu...
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O. V. Zavhorodniy,V. I. Havryliuk,V. H. Sychenko
Pág. 11 - 14
An analysis of electromagnetic influence of rolling stock and traction power supply system on rail circuits and cab locomotive signalization has been provided. A method of determining permissible levels of dangerous and preventing electromagnetic influen...
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O. M. Bondariev
Pág. 113 - 115
The article provides the results of theoretical calculations of short circuit emergency operation modes in supply circuits of the stator windings of asynchronous tractive motors at start-up of the locomotive, hauling a freight train.
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Pavel Mikhalichenko,Ivan Biliuk,Olexandr Kyrychenko,Victor Nadtochii,Anatoly Nadtochiy
Pág. 12 - 18
All types of relay protection are based on comparing the values for certain attributes under a system's normal and emergency operational modes. A new attribute for defining the emergency mode in a direct current traction electricity supply system has bee...
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Yunchuan Deng, Ke Huang, Dongdong Su and Zhigang Liu
Complete and accurate spatial magnetic field description is the premise of effectively assessing the power supply capability of a high-speed railway (HSR). Its evaluation indicators are the current distributions and the integrated impedance of traction n...
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O. O. Matusevich
Pág. 75 - 85
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YU. S. Bondarenko
Pág. 42 - 50
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N. G. Visin,D. A. Zabarylo
Pág. 75 - 82
In this article the research results of many authors on the effect of current interference from the existing electric rolling stock with induction traction motors (ITM) on the track circuits and the possibility of exceeding the train traffic safety stand...
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O. O. Matusevych
Pág. 63 - 66
The author proposed the numerous methods of solving the multi-criterion task ? increasing of reliability of control system on the basis of expert information. The information, which allows choosing thoughtfully the method of reliability increasing for a ...
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O. O. Matusevych
Pág. 84 - 88
The method of system approach for increasing the reliability of controlling equipment on traction electric supply system for electric transport is proposed. This approach is based on expert information that takes into account the importance of indices. T...
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O. O. Matusevych
Pág. 42 - 44
The author proposed the examination method for estimating the reliability of functioning a system of automated control of traction electric supply systems for electric transport in order to organize the work with specialists-experts and to treat with exp...
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V. M. Samsonkin,M. V. Panasenko,V. V. Bozhko,Yu. P. Honcharov,O. V. Yeresko,V. V. Zamaruiev,R. I. Liubych,V. H. Sychenko
Pág. 66 - 72
The combined system of active filtration of target voltage of the rectifier using an added voltage converter as an in-series link and a high-frequency current inverter as parallel one is offered. Its application allows reducing weight of a chok...
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D. O. Bosiy
Pág. 49 - 54
The existing methods of calculation of electromagnetic processes in the systems of traction AC power supply have been analyzed. The modern simulation methods for studying the electromagnetic processes have been proposed. The expression for calculation of...
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O. O. Matusevych
Pág. 32 - 35
The article offers organizational, technical and program measures, the application of which is necessary for increasing reliability of the equipment and protecting the information of informational & controlling tele-mechanical complexes of tractive power...
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V. I. Havryliuk
Pág. 6 - 10
On the basis of literature data analysis, an updated mathematical model has been developed, which describes electromagnetic processes in rail circuits during movements of electrified rolling stock. The model takes into account inductive influence of curr...
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