Railway electrification systems and configurations

Bhargava, B.

doi:10.1109/pess.1999.784389

Cited by 32 publications

(22 citation statements)

References 4 publications

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“…supply system for traction purposes according to [4], [5].The power supplies are derived from 220 KV/132 KV 3-phase transmission system from various grids. The basic schematic of railway power distribution system is show above in Fig.1 .This medium voltage, 25 kv,50/60 Hz supply system is also employed in U.S,U.K ,Russia and several other countries [6]. The average distances between substations in that case is 20-40 miles [5].…”

Section: Electric Power Distribution System Of Indian Railwaymentioning

confidence: 99%

Channel capacity analysis of railway power lines

Francis¹,

Titus²

2011

2011 International Conference on Emerging Trends in Electrical and Computer Technology

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Remote monitoring of railway tracks and level crosses is a relevant field of study, these days. The paper analyzes the channel capacity of railway powerlines for providing the basis for development of various railway applications. The paper applies multi conductor transmission line theory to model the power lines and estimate channel capacity. The BPLC technology has underwent significant advancements through developments in coding and modulation.

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Section: Electric Power Distribution System Of Indian Railwaymentioning

confidence: 99%

Channel capacity analysis of railway power lines

Francis¹,

Titus²

2011

2011 International Conference on Emerging Trends in Electrical and Computer Technology

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“…There is a general power based classification in [3]: Light rails with less than 1MW. Medium loads are commuter (3)(4) Manuscript received September 17, 2007.…”

Section: Train Systemsmentioning

confidence: 99%

“…Medium loads are commuter (3)(4) Manuscript received September 17, 2007. Arash A. Boora, Firuz Zare, Arindam Ghosh and Gerard Ledwich are with the School of Engineering Systems, Queensland University of Technology MW) and high speed intercity (4-6 MW) trains.…”

Section: Train Systemsmentioning

confidence: 99%

“…Very high speed commuters (TGV: 8-10MW) and freight trains (EU: 6-10MW, US: 18-24MW) are high demand railways. To establish a railway system its economical and technical feasibility, compatibility with other power system customers and adjacent communicational systems should be considered [3]. Light trains are designed to stop every 2 or 3 km to cover a wide urban area and they require accelerating and decelerating fast enough to be efficient.…”

Section: Train Systemsmentioning

confidence: 99%

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Applications of power electronics in railway systems

Boora

Zare

Ghosh

et al. 2007

2007 Australasian Universities Power Engineering Conference

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Abstract-Power system interface with electrified railways (ER), auxiliary power, hybrid trains, electromagnetic interface (EMI) and traction are reviewed in this paper for diesel electric trains and ERs. Auxiliary power supply is a low voltage AC/DC power supply for onboard devices with an important consideration for safety equipment. In diesel electric railways because of variable train speed, a sort of compromise is taking place between traction and auxiliary power which usually affects auxiliary equipment performance. Hybrid train's energy storage unit can compensate this deficiency. Other challenges in railways are their compatibility with power and communication systems.Index Terms-active filters, electrified railways, hybrid trains, electrified railway power system, power electronics.

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“…At the same time Bhargava concluded the electrical configuration of a traction system depends on the rail system, train load, clearance requirement, technology availability, etc. [11]. Hence the power requirements for different traction systems are different and should be such that it is cost effective economical.…”

Section: Introductionmentioning

confidence: 99%

Harmonic analysis on various traction transformers in co-phase traction system

Fathima

Shanmugam

2016

Ain Shams Engineering Journal

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Traction loads are subjected to significant load changes and frequent voltage change of about 5%, which is usually unacceptable to the public electricity supply. This paper presents a comparative study of traction transformers such as Scott, YNvd, Leblanc and Impedance Matching Transformer for reducing the total harmonic distortion and thereby improving the power quality in a co-phase traction system. A dual converter with a compensator is employed together with special traction balanced transformers to reduce the harmonics, voltage unbalance, negative sequence current and reactive power problems. This scheme is implemented by using Matlab/Simulink R2009a software. The simulation results show that the performance of the Impedance Matching Transformer is better compared to other special traction transformers. Ó 2015 Faculty of Engineering, Ain Shams University. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Railway electrification systems and configurations

Cited by 32 publications

References 4 publications

Channel capacity analysis of railway power lines

Channel capacity analysis of railway power lines

Applications of power electronics in railway systems

Harmonic analysis on various traction transformers in co-phase traction system

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