Results 81 to 90 of about 437 (164)
Composite materials for rail transit systems [PDF]
The potential is explored for using composite materials in urban mass transit systems. The emphasis was to identify specific advantages of composite materials in order to determine their actual and potential usage for carbody and guideway structure ...
Griffin, O. Hayden, Jr. +2 more
core +1 more source
Study of Radiant Interference Based on Model of Electric Locomotive in Underground Tunnel [PDF]
, 2013 This paper put forward a finite element method to study the radio transmission in tunnel electromagnetic environment. The author makes use of software simulation to study the rectangular tunnel model.When varying the electric parameters of tunnel wall ...
Jin-jiang, LIU +2 more
core +1 more source
Modelling asset management of railway overhead line equipment [PDF]
The overhead line equipment (OLE) is a critical sub-system of the 25kV AC overhead railway electrification system. There is a need to evaluate OLE asset management strategies through a whole life cost analysis that considers degradation processes and ...
Andrews, John D. +2 more
core
The integration of wind and solar renewable energy sources into 3 kV DC railway systems [PDF]
, 2022 LAUREA MAGISTRALEQuesta tesi si focalizza sull'integrazione delle risorse di energia fotovoltaica ed eolica nei sistemi ferroviari a 3 kV in corrente continua per contribuire, congiuntamente alle sottostazioni di trazione, all’alimentazione dei ...
CERVI, MARCO ALESSANDRO
core
Influencing Factors of Electrical Sectioning Arcs in Rail Transit and Their Correlation Analysis
Chengshi guidao jiaotong yanjiuObjectiveThe frequent occurrence of electric arcs in the electrical sections of rail transit directly affects the current collection quality of the pantograph-catenary system.
Zicheng WANG +4 more
doaj +1 more source
Towards the electrification of freight transport: A network design model for assessing the adoption of eHighways [PDF]
The development of new technological innovations for eco-friendly vehicles combined with the usage of renewable energy sources is essential for mitigating the environmental impact of freight transport.
Colovic, Aleksandra +2 more
core +1 more source
A simplified model for railway catenary wire dynamics [PDF]
, 2016 In this paper, a simplified analytic model for the dynamic behaviour of railway catenary wire is presented. The model is discussed and validated with the help of numerical results obtained by a finite element code, for the case of a typical Italian ...
Cattani, M +3 more
core +1 more source
FrictionThe pantograph-catenary system bears the crucial task of supplying electrical energy to high-speed trains. However, as train speeds continue to increase, irregularities in the contact wire exacerbate vibrations within the pantograph-catenary system ...
Dehui Ji +5 more
doaj +1 more source
Damping characterization of a high speed train catenary [PDF]
, 2015 Catenary damping has long been a tuning parameter in pantograph-catenary dynamic interaction models. As the computed contact force is highly sensitive to the choice of damping model or coefficients, it became critical to measure it independently of the ...
BALMES, Etienne +2 more
core
Analysis and development of power quality metrics for railway electric networks [PDF]
Ensuring acceptable levels of power quality (PQ) in electrified railway networks has become crucial due to the increased utilisation of power electronics within locomotives and power grids.
Seferi, Yljon
core +2 more sources