Results 61 to 70 of about 437 (164)

Analysis and suppression of operational overvoltage and inrush current for high‐speed trains by automatic phase‐switching technique

High Voltage, Volume 9, Issue 3, Page 733-748, June 2024.
Abstract When a high‐speed train approaches the insulated phase‐splitting section embedded between neighbouring power supply arms, the vacuum circuit breaker (VCB) installed on trains must be disconnected to maintain the traction power supply system as a no‐load condition for completing phase‐switching action, as the train passes through the phase ...
Ye Cao, Song Xiao, Zhizong Ye, Guangning Wu, Yujun Guo, Guoqiang Gao, Chuanming Sun, Jiancheng Liu, Zheng Chen, Hao Hou, Zijing Wang, Puyang Liu, Yuhui Zhang, Jie Yu   +13 more
wiley   +1 more source

Research on Control of Short EMU Reconnection Passing Neutral Section

机车电传动, 2021
In order to solve the problem that the reconnection of CRH6F-A/CRH6A-A short intercity EMU can not meet the requirements of the length of neutral section of domestic lines, the reconnection control method of short intercity EMU was studied,and the ...
Wantao XU, Zhaoxiang TANG, Zheng CHEN, Pengfei CHI, Zhuangzhuang XIN   +4 more
doaj  

Study of Electromagnetic Radiation From High‐Speed Train Voice and Data Antennae on the Health of Pacemaker Wearers

International Journal of RF and Microwave Computer-Aided Engineering, Volume 2024, Issue 1, 2024.
In China, high‐speed trains have become a major means of transportation for the masses. When the passengers wearing pacemakers travel on high‐speed trains, electromagnetic environment in the carriage where the GSM‐R voice and data antennae are located should be concerned.
Rui Tian, Hao Wu, Mai Lu, Xiao Ding
wiley   +1 more source

Novel Vision-Based Abnormal Behavior Localization of Pantograph-Catenary for High-Speed Trains

IEEE Access, 2019
To ensure the safe operation of high-speed trains, catenary anomaly detection and alerting security have become an urgent problem to solve. In this paper, we propose a novel method for abnormal behavior localization of a pantograph-catenary for high ...
Yiping Luo, Qianru Yang, Scarlett Liu
doaj   +1 more source

Filter transients onboard DC rolling stock and exploitation for the estimate of the line impedance [PDF]

, 2020
Power supply transients in dc railways related to filter charging may trigger network and filter oscillatory responses, as well as cause very fast voltage spikes.
Femine A. D., Giordano D., Mariscotti A., Signorino D.   +3 more
core   +2 more sources

Study on Pantograph–Rigid Catenary Separation Through Simulation Experiments and the Dynamic Characteristics of DC Arcs

Machines
The pantograph–catenary system is a critical component of the traction power supply network. Due to hard points on the overhead contact line and vibrations of the pantograph, pantograph–catenary separation may occur, leading to offline DC arc events.
Zhaofeng Gong, Chang Liu, Shuai Xu, Guangxiao Wang, Wenzheng Liu, Gang Zhang   +5 more
doaj   +1 more source

A Study on the Impact of Ice-Covered Pantograph–Catenary Arc Characteristics and Ablation Mechanisms

Inventions
Under severe ice and snow weather, ice-covered pantograph–catenary arcs affect the safe operation of high-speed trains. This study investigates the impact of ice-covered arc electrical characteristics, plasma parameters, and material ablation mechanisms.
Zhiliang Wang, Zhuo Li, Keqiao Zeng, Wenfu Wei, Zefeng Yang, Huan Zhang   +5 more
doaj   +1 more source

Research on dynamic characteristics of pantograph arc under cross wind

机车电传动, 2022
The pantograph arc has become an important factor restricting the further development of high-speed trains. Therefore, in-depth research on the characteristics of pantograph arc is of great significance for further analyzing the damage characteristics of
SUN Chuanming, LU Chao, MU Tingyou, ZHANG Zuoqin   +3 more
doaj  

On Modelling and Control of Pantograph Catenary Systems [PDF]

, 2011
The paper describes modelling and control techniques studied and applied to selected pantograph-catenary (PAC) systems. The work has been co-funded by the European Union under the ERDF project: ‘PAntograph-Catenary Interaction Framework for Intelligent ...
Mpanda, A., Rachid, A., Walters, Simon
core  

Simulation on Operating Overvoltage of Dropping Pantograph Based on Pantograph–Catenary Arc and Variable Capacitance Model

Applied Sciences
When the electric locomotive pantograph is dropping, the interruption of pantograph catenary contact causes electromagnetic oscillation and arcing. The frequent arc burning that occurs due to charge accumulation results in the amplitude of overvoltage ...
Dazuo Jiang, Huanqing Zou, Yike Guo, Fuqiang Tian, Hongqi Liu, Yufeng Yin   +5 more
doaj   +1 more source