Results 31 to 40 of about 24,802,635 (307)

Model-Based Risk Assessment of Power Converters: Case Study of On-Board Battery System for Railway

IEEE Open Journal of Industry Applications
On-board energy storage systems for railway traction are becoming a clear trend for many new rail projects, both for retrofit and new designs. This has raised safety and reliability concerns in railway industry given the novelty of the technology ...
Mariam Saeed, Juan Manuel Guerrero, Victor Lopez, David Ortega, Igor Larrazabal, Juan Jose Valera, Ewald Falke, Fernando Briz   +7 more
doaj   +1 more source

Study of the anomaly detection on rail by a tachometer generator of a train

Nihon Kikai Gakkai ronbunshu
Most rolling stocks in Japan have tachometer generators on their axle ends. The only function of the tachometer generator is measuring rotational speed of the axle based on the frequency of the output signal.
Gaku YOSHIKAWA
doaj   +1 more source

Electric power accumulators in system of supplying railways with traction energy by direct current

MATEC Web of Conferences, 2018
The article describes core criteria, which define efficient application of energy accumulators in railway traction power supply system. Installation points for energy accumulators in electric power system of train electric drivers, where application is ...
Rebrov Ilya, Shevlyugin Maksim, Kotelnikov Alexandr, Ermolenko Dmitry   +3 more
doaj   +1 more source

Passive Filter Design for Power Supply Systems with Traction Loads [PDF]

E3S Web of Conferences, 2020
The purpose of the investigation is to analyze resonant modes in electric power systems that feed the traction load, to study the mutual influence of the traction network and the external power supply system.
Dovgun Valery, Shandrygin Denis, Boyarskaya Natalia, Andyuseva Valentina   +3 more
doaj   +1 more source

Application of permanent magnet synchronous direct-drive traction system on Xuzhou metro line 1

机车电传动, 2022
Metro trains have the advantages of high starting acceleration, high operating speed, punctuality and large carrying capacity, but energy consumption is also an important issue that needs close attention in metro operation.
ZENG Yun, CHEN Qihui, ZENG Xiaofan, LI Ke   +3 more
doaj  

Priority-Based DC-Link Voltage Control for Railway Traction Chains With Onboard Energy Storage

IEEE Open Journal of Industry Applications
Due to the rapid development of power electronics and energy storage technologies, the trend toward electrified railway systems with onboard energy storage systems (OESS) is being followed by main train manufactures.
Saad Ahmad, Mariam Saeed, Juan Manuel Guerrero, Iker Muniategui-Aspiazu, Guillermo Nunez, Igor Larrazabal, Fernando Briz   +6 more
doaj   +1 more source

Calculation methodology of current distribution in traction networks of AC current

Вестник Научно-исследовательского института железнодорожного транспорта, 2017
Several publications have been devoted to the development of traction power supply for alternating current [1, 2]. They set the task of considering the resistance of the external power supply system and power traction transformers when calculating the ...
A. B. Kosarev, B. I. Kosarev
doaj   +1 more source

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

FEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso, Jaime Hiniesta‐Valero, Alejandra Guerra‐Castellano, Miguel A. De la Rosa, Irene Díaz‐Moreno   +4 more
wiley   +1 more source

Hybrid Signaling-Droop DC-Link Voltage Control for Trains With Multiple Onboard Power Sources

IEEE Access
The increasing trend in efficiency and performance requirements of electric trains is leading to the deployment of more onboard energy storage elements.
Saad Ahmad, Mariam Saeed, Juan Manuel Guerrero, Iker Muniategui-Aspiazu, Guillermo Nunez, Igor Larrazabal, Fernando Briz   +6 more
doaj   +1 more source

Motor-traction Contracts system

Izvestiya of Saratov University. Economics. Management. Law, 2008
In the article problems of the market relations influence on the forming of the motor-traction contracts system are analyzed. In the work it is concluded, that the majority of contracts, connected with freight, supplement each other and make interconnected system of contracts.
openaire   +1 more source