Results 71 to 80 of about 437 (164)

Pantograph and Catenary Arc under Stiff Contact Wires of 120 km/h Metro Vehicles

open access: yes机车电传动, 2015
Aiming at the 120 km/h vehicles pantograph and catenary arc of Guangzhou metro line 3 north-extension section, thearc generation cause was analyzed, and the pantograph and catenary model was built. With the simulation from the pantograph and thecatenary,
ZHOU Dalin, GAO Wei, ZHENG Xuan
doaj  

Influence of Train Speed on Transient Current Evolution in Traction Network Under Pantograph–Catenary Offline Conditions

open access: yesEnergies
To investigate the influence of train operating speed on the transient characteristics of the pantograph–catenary arc, this paper establishes an integrated simulation model encompassing the traction network, electric locomotive, and arc.
Changchun Lv   +3 more
doaj   +1 more source

Research on the phased development characteristics of pantograph catenary arc under low air pressure and strong airflow

open access: yes机车电传动, 2023
Pantograph catenary arc is an important factor threatening the current-receiving quality of high-speed trains. The motion characteristics and development law of pantograph arc under low air pressure are significantly different from those under ...
XU Yue   +4 more
doaj  

Pantograph Arc’s Energy Characters Under Various Load

open access: yes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  

Research Reviews on Electrical Contact Between Pantograph and Catenary of High-speed Railway

open access: yes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  

A New Method for Pantograph-Catenary Arc Detection Based on Acoustic Signals

open access: yesChengshi guidao jiaotong yanjiu
ObjectiveTo 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

Contact Wire Irregularity Stochastics and Effect on High-speed Railway Pantograph-Catenary Interactions

open access: yes, 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

open access: yes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  

Microscopic investigation on current-carrying wear on surface of pantograph carbon slide surface of metro train

open access: yes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  

Harmonic Loss Analysis of the Traction Transformer of High-Speed Trains Considering Pantograph-OCS Electrical Contact Properties

open access: yesEnergies, 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

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