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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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Jin Wang, Zhongping Yang, Fei Lin and Junci Cao
The traction transformer of the traction drive system of a high-speed train is one of the main equipments for energy conversion. The transformer loss will be increased by load harmonics and pantograph arcs at high speed. It is very important to predict l...
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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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T. M. Mischenko
Pág. 105 - 109
The article is a continuation of analysis of the electric equivalent AC circuit «traction substation - device of transversal compensation - electric-traction network - electric locomotive DS 3» and the influence on a power transformer i...
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T. M. Mishchenko,A. I. Kiiko
Pág. 88 - 92
In the article the electric circuit of substitution and mathematical model of the system of alternating current «traction substation - traction mains - electric locomotive DS 3» at switching its power transformer on in the idle mode are presented. Numeri...
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A. M. Mukha
Pág. 93 - 99
The research results of operating modes for the higher frequency three-phase traction transformer are presented in the article.
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T. M. Mischenko
Pág. 100 - 104
The article is a continuation of analysis of mathematical models for AC systems, in which the elements of electric-traction network and switch-on of power transformer in an idling mode are gradually connected. The numerical calculations and analysis of c...
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M. H. Visin,D. A. Zabarylo
Pág. 64 - 69
Our research offers a new perspective loading pattern of the 12-wheel double-feed freight electric locomotive with the asynchronous tractive motor using an adapter transformer with the high-frequency uncoupler. This will make it possible to decrease the ...
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A. M. Mukha
Pág. 81 - 88
The results of determination of power loss level in magnetic conductor of high frequency three-phase traction transformer are presented in the article.
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