Results 31 to 40 of about 144,321 (212)

Urban and extra-urban hybrid vehicles: a technological review [PDF]

open access: yes, 2018
Pollution derived from transportation systems is a worldwide, timelier issue than ever. The abatement actions of harmful substances in the air are on the agenda and they are necessary today to safeguard our welfare and that of the planet.
Capata, Roberto
core   +1 more source

The methodology improvement for calculating the distribution traction power supply system with enhanced point [PDF]

open access: yes, 2014
В статье проанализированы основные способы усиления тяговой сети постоянного тока. На примере реального участка выполнены оценочные расчеты обеспечения уровня напряжения при установке усиливающего пункта в середине межподстанционной зоны узловой схемы ...
Босый, Дмитрий Алексеевич   +2 more
core  

Kite Generator System: Grid Integration and Validation

open access: yes, 2014
International audienceIn this paper, the problem of grid integration of a kite generator system (KGS), is handled. The mechanical power generated by the kite's traction is translated into an electrical one via a permanent magnet synchronous machine. This
Ahmed, Mariam   +3 more
core   +3 more sources

Intellectualization of traction power supply operation control systems

open access: yesScience and Transport Progress, 2010
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.
openaire   +3 more sources

Design and research on the function of lithium-ion batteries emergency traction system for rail vehicles

open access: yesAdvances in Mechanical Engineering, 2018
Urban rail vehicle power supply short interruptions or prolonged paralysis situation sometimes occurs, which will cause the entire line outage. If the train through the battery to achieve emergency traction, it will be able to effectively solve the ...
Xiaoming Xu   +5 more
doaj   +1 more source

Research on a Fault Diagnosis Method for the Braking Control System of an Electric Multiple Unit Based on Deep Learning Integration

open access: yesMachines
A fault diagnosis method based on deep learning integration is proposed focusing on fault text data to effectively improve the efficiency of fault repair and the accuracy of fault localization in the braking control system of an electric multiple unit ...
Yueheng Wang   +4 more
doaj   +1 more source

Research on uninterruptable power supply technology for auxiliary winding of electric locomotive while passing the neutral section [PDF]

open access: yesRailway Sciences
Purpose – Auxiliary power system is an indispensable part of the train; the auxiliary systems of both electric locomotives and EMUs mainly are powered by one of the two ways, which are either from auxiliary windings of traction transformers or from DC ...
Yuliang Du
doaj   +1 more source

Analysis of technical solutions for power supply of traction power line [PDF]

open access: yes, 2011
Tato práce je rozborem problematiky napájení drážní trakce s napěťovou hladinou 25 kV AC. Toto jednofázové napájení má za následek celou řadu problémů, ke kterým se dále přidávají nepříznivé vlivy spojené s jednostranným napájením, deformace proudové a ...
Zlámal, Marek
core  

Bilateral Tripping and Self-healing Scheme for Urban Rail Transit DC Traction Power Supply System Based on GOOSE Communication

open access: yesChengshi guidao jiaotong yanjiu
Objective The structure of DC (direct current) traction power supply system for urban rail transit is complex and without any backup power supply. Once a malfunction occurs, it may directly lead to a train-stopping accident.
ZHANG Haishen
doaj   +1 more source

Electrical characteristics of new three-phase traction power supply system for rail transit

open access: yesRailway Engineering Science, 2022
A novel three-phase traction power supply system is proposed to eliminate the adverse effects caused by electric phase separation in catenary and accomplish a unifying manner of traction power supply for rail transit.
Xiaohong Huang   +6 more
doaj   +1 more source

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