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Simulation and Visualisation of the Dynamic Behaviour of an Overhead Power System with Contact Breaking
Kungliga tekniska högskolan, KTH.
Luleå tekniska universitet.
Luleå tekniska universitet.
1996 (English)In: Vehicle System Dynamics, ISSN 0042-3114, E-ISSN 1744-5159, Vol. 25, no 1, p. 31-49Article in journal (Refereed) Published
Abstract [en]

For high speed rail traffic it is necessary to design overhead power systems which minimize the contact loss between pantograph head and contact wire. To predict how different design solutions will behave it is favourable to model and simulate the dynamic behaviour. In this paper a model of an overhead power system is specified and used in simulation. The model is suitable for simulation with contact loss since it includes specifications of impact conditions between pantograph head and contact wire. Two sets of equations of motion are specified, one for the contact case and one for the non-contact case. The model also includes lateral movement of the wire due to the zigzag span and friction between the pantograph head and the contact wire. It is shown how to make animations of the system behaviour using a MCAE-system. The animations are made using a geometrical model of the system together with results from numerical simulations. Through the examples provided, use of the mathematical model and the geometrical model is presented. The response is visualised as time histories and phase plane diagrams of different coordinates and as animations of the total system response. The different types of visualisations make an excellent combination when studying the system behaviour of different design solutions. In one example, simulation using the linearised set of equations gives the same results as simulation using the set of fully nonlinear equations, due to periodic response and the simple alternation of contact conditions. It is shown that the situation when any of the parameters vary suddenly is possible to simulate using the fully nonlinear equations of motion.

Place, publisher, year, edition, pages
1996. Vol. 25, no 1, p. 31-49
National Category
Other Mechanical Engineering
Research subject
Computer Aided Design
Identifiers
URN: urn:nbn:se:ltu:diva-10484DOI: 10.1080/00423119608968956ISI: A1996TR74500002Local ID: 94d59440-1b58-11dd-8c59-000ea68e967bOAI: oai:DiVA.org:ltu-10484DiVA, id: diva2:983429
Note

Godkänd; 1996; 20080506 (cira)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-06-05Bibliographically approved

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  • apa
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