Results 41 to 50 of about 516 (189)
Impact of DC Transient Disturbances on Harmonic Performance of Voltage Transformers for AC Railway Applications [PDF]
, 2022 This paper analyzes the impact of typical DC transient events occurring in railway grids on the frequency performance of instrument transformers (ITs) installed onboard trains and in AC substations for power quality (PQ) applications.
Crotti G., Letizia P. S., Signorino D.
core +1 more source
Composite Hybrid Framework for Through-Life Multi-objective Failure Analysis and Optimisation [PDF]
, 2021 Complex engineering systems include several subsystems that interact in a stochastic and multifaceted manner with multiple failure modes (FMs). The dynamic nature of FMs introduces uncertainties that negatively impact the reliability, risk, and ...
Appoh, Frederick, Yunusa-Kaltungo, Akilu
core +1 more source
Applied SciencesAs well as the off-line phenomenon between the pantograph strip and the contact wire that occurs frequently, the current collection quality of trains is potential under threat.
Tong Xing +6 more
doaj +1 more source
AIP Advances, 2018 Contact wire is an essential part of traction power supply system in the electrified railway, which on the one hand transmits the electrical energy, and on the other hand plays as a smooth track for the current collection strip. In the daily operation of
Pan Xu +4 more
doaj +1 more source
Chengshi guidao jiaotong yanjiu[Objective] Abnormal arcing and burning of contact wire are commonly observed in urban rail transit vehicle bases, primarily concentrated in pantograph-corresponding areas at train parking lots.
LI Zeyu
doaj +1 more source
Arcing detection method of metro pantograph based on improved yolov4-tiny
机车电传动, 2023 Arcing on metro pantographs contribute to the accelerated wear of pantograph strips and the catenary, imposing a serious safety risk to rail transit. For the problem of strong light interference and variable background in pantograph arcing detection for ...
AI Shengyong +2 more
doaj
Arc detection in pantograph-catenary systems by the use of support vector machines-based classification [PDF]
, 2014 The aim of the MAPEC_LIFE (Monitoring Air Pollution Effects on Children for Supporting Public Health Policy) study is to evaluate the associations between the concentrations of air pollutants and early biological effects in children living in five ...
BARMADA, SAMI +3 more
core +1 more source
Hardware in the Loop Test-Rig for Identification and Control Application on High Speed Pantographs
Shock and Vibration, 2004 Trains current collection for traction motors is obtained by means of a sliding contact between the overhead line (OHL) and the collector strips mounted on the pantograph head.
A. Collina +3 more
doaj +1 more source
Engineering Reports, Volume 7, Issue 8, August 2025.Railway electrification systems indeed have unique challenges due to variable power demand and dynamic train operations. Power quality (PQ) monitoring for high‐speed trains (HSTs) is essential to guarantee the effectual and unfailing operation of the ESs.
Pampa Sinha +6 more
wiley +1 more source
Assessment of the High-frequency Response in Railway Pantograph-Catenary Interaction Based on Numerical Simulation [PDF]
, 2020 The numerical model is a well-acknowledged tool to evaluate railway pantograph-catenary interaction performance. The current standard restricts most current simulation tools by a cut-off frequency of 20 Hz.
Nåvik, Petter Juell +2 more
core +1 more source