Results 41 to 50 of about 144,321 (212)

Analysis of rectification techniques and autonomous hybrid power plants potential for railway power supply systems

open access: yesEnergy Reports, 2022
The paper considers optimization approaches for AC and DC traction supply systems. The recent developments in the area of traction supply systems operation optimization mean the application of modern energy storage systems, renewable energy sources, and ...
Mikhail Vilberger   +3 more
doaj   +1 more source

USE OF ASYNCHRONOUS GENERATORS IN TRACTION POWER SUPPLY

open access: yesModern Technologies and Scientific and Technological Progress, 2020
Questions of application of distributed generation installations realized on the basis of asynchronous generators in railroad power supply systems of alternating current are considered.
Anton Semkin   +2 more
openaire   +2 more sources

A study on fault self-recovery of interconnected co-phase traction network for heavy haul railway

open access: yes机车电传动, 2022
In order to adapt to the continuous growth of freight traffic volume, the heavy haul railways have undergone the transportation capacity upgrading and transformation. The co-phase and bilateral power supply technologies can be adopted to cancel the phase
PENG Ye, WANG Shuai, WANG Kewen
doaj  

Transient Effects at Power-Supply System of the Czech Railways from EMC Viewpoint [PDF]

open access: yes, 2007
The paper deals with the behavior of the traction power-supply system 25 kV, 50 Hz at the Czech Railways. Electrical conditions on a contact line affect electrical conditions in a feeding station.
Dolecek, R., Hlava, K.
core   +1 more source

Energy accounting in AC substations in case of transit currents flowing through the contact network

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
The purpose of the work is to clarify the methodology for determining the electric power consumption of traction substations of AC electric power for the transit of external power supply.
V. M. Varentsov   +2 more
doaj   +1 more source

Segmental Power Supply Scheme and Fault Identification Method for Urban Rail Transit Traction Network in Continuous Co-phase Power Supply Mode

open access: yesChengshi guidao jiaotong yanjiu
Objective When urban rail transit line adopts the continuous co-phase power supply mode, a fault in the traction network may cause extended power outage due to the complexity and non-backup structure of the traction network. Therefore, it is necessary to
HOU Feng   +4 more
doaj   +1 more source

Оценка потенциала энергосбережения систем электроснабжения тяги поездов постоянного тока [PDF]

open access: yes, 2012
В данной статье предложены методологические подходы к определению потенциала энергосбережения в системах электроснабжения тяги поездов постоянного тока, предложена его классификация, определены составные части.In this paper the authors proposed a ...
Костюковский, Б. А.   +1 more
core  

Cophase Traction Power Supply System Based-MMC-Vv Wiring

open access: yesIEEE Access, 2022
A new homogeneous traction power supply scheme based on Vv wiring transformers and modular multilevel converters (MMC) is proposed, which due to address the electrical power quality problems and the negative effects of power splitting on locomotives in electrified railways.
Minan Tang   +4 more
openaire   +2 more sources

Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators [PDF]

open access: yes, 2009
The French National Railways Company (SNCF) is interested in the design of a hybrid locomotive based on various storage devices (accumulator, flywheel, and ultracapacitor) and fed by a diesel generator.
Akli, Cossi Rockys   +4 more
core   +2 more sources

Модель экономического ущерба от ненадёжности силового оборудования, участвующего в регулировании режимов системы тягового электроснабжения [PDF]

open access: yes, 2013
В данной статье на основе информации о суммарной величине потока отказов и типовых калькуляций работ по ликвидации последствий отказов разработана модель экономического ущерба от возможных отказов при осуществлении регулировочных воздействий в системе ...
Кузнецов, В. Г.
core  

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