Results 61 to 70 of about 783 (177)

“We Have Come to Offer Something Which (They) Were Not Even Looking for”: U.S. Christian Conservative Evangelical Faith Missions in the Ecuadorian Upper Amazon

The Journal of American Culture, EarlyView.
Diego Mauricio Cortés
wiley   +1 more source

Development of “digital substation” technology for power supply of railways

MATEC Web of Conferences, 2018
The paper considers the application of the “Digital Railway” project at the traction substation. The “Digital Railway” project should become a centralized system uniting the programs for the control of railway elements.
Tryapkin Evgeny, Ignatenko Ivan, Keino Maxim   +2 more
doaj   +1 more source

SYSTEM ANALYSIS OF EXTERNAL POWER SUPPLY OF RAILWAYS TRACTION SUBSTATIONS

Electrical engineering & Electromechanics, 2013
Проведено системний аналіз схем зовнішнього електропостачання тягових підстанцій залізниць за період 1993-2011 роки та проектів схем на перспективу до 2016 року в умовах ринкової економіки і нормативних вимог електроенергетики України.
openaire   +2 more sources

A Railway Static Power Conditioner for Power Supply Arm Terminal and Its Control

Kongzhi Yu Xinxi Jishu, 2019
Aiming at the problems of load fluctuation and voltage fluctuation caused by large reactive power impact in railway traction system, a railway power regulation device based on multi-step-down topology was developed to stabilize the terminal voltage of ...
FENG Wenjie
doaj  

Prediction of Balanced Current in Bilaterally-fed AC Traction Power Supply System

机车电传动, 2020
The feasibility of bilaterally-fed AC traction power supply system is up to the balanced current. A method was proposed in this paper to predict the balanced current i.e., measuring the voltages of the traction power networks on both sides in the section
Zhicheng ZHOU, Qingan MA
doaj  

Characterization of at Railway Traction Power Supply, Measurement System and Results

EMC Europe 2004, International Symposium on Electromagnetic Compatibility, 2004
Deursen, van, A.P.J., Smulders, H.W.M., Graaff, de, R.A.A., Waes, van, J.B.M.   +3 more
openaire   +4 more sources

Superposition of Voltage Disturbances Generated by Direct Current Traction

Energies
Electric traction vehicles require a power supply with appropriate voltage parameters. In Poland, a direct voltage power supply system has been adopted.
Zbigniew Olczykowski
doaj   +1 more source

Analysis of the electromagnetic impact of traction networks featuring reactive power compensation on pipelines [PDF]

E3S Web of Conferences
This paper presents a comprehensive numerical methodology for evaluating the electromagnetic interaction between traction power supply systems and nearby pipelines.
Iliev Iliya, Kryukov Andrey, Suslov Konstantin, Cherepanov Aleksandr, Kryukov Aleksandr, Beloev Ivan, Beloev Hristo, Valeeva Yuliya   +7 more
doaj   +1 more source

The method for increasing the efficiency of equipment’s maintenance in railway traction power supply systems

Archives of Transport, 2018
Purpose. To develop the method for increasing the efficiency of the equipment’s maintenance and repair system, ensuring necessary level of operational reliability of the equipment, safety and reliability of the electric equipment with minimal expenses on operation. Relevance. Aging of the power equipment in railway power supply systems sharply raised a
Oleksandr Matusevych, Valeriy Kuznetsov, Viktor SYCHENKO   +2 more
openaire   +2 more sources

Application of energy routers in railway power supply systems

MATEC Web of Conferences, 2018
The development of electric power industry requires transition to the technological platform, encouraging implementation of smart grids. To set up these grids it is necessary to apply smart technologies of power supply system control modes, as well as ...
Bulatov Yuri, Kryukov Andrey, Arsentyev Grigory   +2 more
doaj   +1 more source