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A laboratory model study of a railway current collection system
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Vehicle Dynamics.ORCID iD: 0000-0001-8928-0368
KTH, School of Engineering Sciences (SCI), Aeronautical and Vehicle Engineering, Vehicle Dynamics.ORCID iD: 0000-0002-4048-3452
2008 (English)In: Proceedings of the ASME Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Vol 5, PTS A-C,, NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008, 1805-1810 p.Conference paper, Published paper (Refereed)
Abstract [en]

A vital system on modem high-speed electric trains is the overhead catenary system and the pantograph current collector. As speed limits are increased, train operators and railway engineers need measures of system performance in a number of situations. In this work a laboratory model is built to study the pantograph behaviour on curved track running on a catenary system with large stiffness variation. The model is designed to be simple, yet exhibit the most characteristic dynamic properties of the real system. Another objective is the possibility to run the pantograph at speeds near the wave propagation velocity of the contact wire. The situation of several trailing pantographs, with even spacing, which excites the system to steady state, is considered. Effects of changes in design features such as tension in the contact wire and torsion and translation stiffness of components in the pantograph are studied for different speeds. The interaction is complex and the performance depends on the dynamic properties of both the catenary system and the pantograph. The results show that the pantograph configuration mainly affects the size of amplitudes in the system while the contact wire tension influences at which velocities large amplitudes and contact losses occur.

Place, publisher, year, edition, pages
NEW YORK: AMER SOC MECHANICAL ENGINEERS , 2008. 1805-1810 p.
Keyword [en]
Architectural design, Computer control, Computer networks, Computers, Control systems, Dynamic models, Dynamical systems, Dynamics, Electroacupuncture, Engineering, Information systems, Locomotives, Mechanics, Multitasking, Nonlinear programming, Pantographs, Railroad cars, Railroad transportation, Railroads, Rails, Speed, Stiffness, Technology, Wire, catenary system, Contact losses, Contact wires, Current collection, Current collector (CC), Curved tracks, Design features, Different speeds, Dynamic properties, Electric trains, High speeds, international conferences, International designs, Laboratory modeling, Large amplitudes, Multi-body system (MBS), Non-linear dynamics, Overhead catenary system (OCS), propagation velocities, Railway engineers, Real systems, Speed limits, Steady states, system performances, Technical conferences, Torsion (IGC: D7), train operators
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-38704DOI: 10.1115/DETC2007-34281ISI: 000254517102038Scopus ID: 2-s2.0-44949194835OAI: oai:DiVA.org:kth-38704DiVA: diva2:439673
Conference
ASME International Design Engineering Technical Conferences/Computers and Information in Engineering Conference, Las Vegas, NV, SEP 04-07, 2007
Note

QC 20110908. QC 20160221

Available from: 2011-09-08 Created: 2011-08-31 Last updated: 2016-02-21Bibliographically approved

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Drugge, LarsStensson Trigell, Annika

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