Results 51 to 60 of about 373 (140)
机车电传动, 2022 In order to explore the wear mechanism of pantograph carbon slide surface, taking the pantograph copper to impregnate carbon slide material before and after the wear of a domestic subway line as the object, the surface microstructure and chemical ...
HUANG Mian +5 more
doaj
Energies, 2013 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.
Fei Lin +3 more
doaj +1 more source
Pantograph Arc’s Energy Characters Under Various Load
机车电传动, 2011 Due to the increasing speed of the locomotive, the pantograph-catenary disconnection was getting worse, and the pantograph arc occured frequently. The pantograph arc etched the pantograph slider and contact wire, and the etching level was influenced by ...
王波 +4 more
doaj
A New Method for Pantograph-Catenary Arc Detection Based on Acoustic Signals
Chengshi guidao jiaotong yanjiuObjectiveTo enhance the accuracy and precision of arc detection in urban rail transit and address the limitations of existing arc detection methods such as electrical and optical approaches, it is necessary to develop new pantograph-catenary arc ...
Zixian YANG +3 more
doaj +1 more source
Research Reviews on Electrical Contact Between Pantograph and Catenary of High-speed Railway
机车电传动, 2011 Domestic and oversea researches on mechanism of arc, arc energy loss, discipline of friction and wear with current and pantograph and catenary materials were discussed, and probable issues during studies and related researching direction were pointed out,
陈立 +4 more
doaj
, 2020 In high-speed rail operations, contact wire irregularity (CWI) in a catenary is a common disturbance to the pantograph-catenary interaction performance, which directly affects the quality of current collection.
Liu, Zhendong +4 more
core +2 more sources
Study of Pantograph Catenary Dynamic Interaction Performance for Beijing Metro Line 14
机车电传动, 2015 The pantograph catenary performance of Beijing metro line 14 was analyzed and studied. Pantograph catenary working principle of the measurement system was introduced, and combined with the test data, the distribution of contact force, contact force’s the
ZHANG Huiqing +3 more
doaj
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
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
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