Results 21 to 30 of about 6,853,746 (262)

A Recognition Method for Time-domain Waveform Images of Electric Traction Network Overvoltage Based on Deep Learning

open access: yesIOP Conference Series: Earth and Environment, 2021
A large amount of time-domain waveform images of overvoltage of electric traction network are collected during the on-board test of EMU. The traditional time-domain or frequency-domain analysis and classification method can’t be directly applied to time ...
Ji Junyi, Mingli Wu, W. Qi
semanticscholar   +1 more source

Improving the quality of voltage in the system of traction power supply of direct current [PDF]

open access: yesArchives of Transport, 2015
Purpose of the work is improved approaches to ensure the required quality parameters of voltage in the traction network based on modern technologies and equipment in the application of power distribution system. Actuality.
Viktor G. Sychenko   +2 more
doaj   +1 more source

Some aspects of the digital protection of the DC traction network

open access: yes, 2021
The article analyzes the existing protection of the traction network, the features of its functioning in conditions of double and built trains, an innovative transition to digital protection, the first results of trial operation, proposals for further ...
S. M. Kuznetsov   +4 more
semanticscholar   +1 more source

Assessing High-Order Harmonic Resonance in Locomotive-Network Based on the Impedance Method

open access: yesIEEE Access, 2019
Many new types of locomotives are put to use in electric railway systems, resulting in instability problems such as high-order harmonic resonance occurring as a consequence of the interaction between the electrical locomotive (including electrical ...
Jing Li   +4 more
doaj   +1 more source

Localization Design of the Traction and Network Control System for Standardized Subway

open access: yesKongzhi Yu Xinxi Jishu, 2023
With the continuous emergence of network and information security challenges, international trade frictions and other issues, the demand for localization, independence and controllability of products is becoming more and more intense.
YI Rongwu   +4 more
doaj   +3 more sources

Mechanism Analysis of Sympathetic Inrush in Traction Network Cascaded Transformers Based on Flux-Current Circuit Model

open access: yesEnergies, 2019
When electric multiple units (EMU) pass the neutral zone, the traction transformer may generate sympathetic inrush, which will cause a malfunction in the transformer differential protection.
Zhiyong Li   +3 more
doaj   +1 more source

Research on voltage comprehensive compensation system and control strategy of high-speed railway traction network

open access: yesEnergy Reports, 2023
High-speed railway, as one of the most important forms of transportation, have been developed rapidly throughout the world. As the people’s living condition improves, the energy demand in China’s transport sector has grown dramatically and will keep ...
Jiaxin Yuan   +5 more
doaj   +1 more source

Energy efficiency improvement of traction energy of alternating current with power multifunctional booster transformers

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2017
Continuous growth of freight traffic, an increase in the share of heavy and connected trains, the commissioning of powerful electric locomotives on the main railways requires the implementation of measures to strengthen and improving efficiency of the ...
A. B. Kosarev, B. I. Kosarev
doaj   +1 more source

Traction Power Substation Load Analysis with Various Train Operating Styles and Substation Fault Modes

open access: yesEnergies, 2020
The simulation of railway systems plays a key role in designing the traction power supply network, managing the train operation, and making changes to timetables.
Zhongbei Tian   +4 more
doaj   +1 more source

A method for optimizing urban rail transit timetable based on accurate power flow

open access: yesMechanical Engineering Journal, 2023
The timetable of urban rail greatly affects its daily energy consumption. To improve the utilization of renewable energy between trains using timetabling has become an effective way to reduce energy consumption.
Haoran GENG   +4 more
doaj   +1 more source

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