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Multi-machine transient stability for railways
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
2015 (English)In: Computers in Railways XIV Special Contributions: Railway Engineering Design and Optimization / [ed] C.A. Beribba, Southampton: WIT Press, 2015, Vol. 155Conference paper, Published paper (Refereed)
Abstract [en]

This papers concern the replacement of Static Frequency Converters (SFC) by Rotary Frequency Converters (RFC) in Railway Power Supply Systems (RPSS) operating at 16⅔ Hz. There is a need to investigate how such a system behaves with only one or with a small number of RFCs. This is of great importance as SFCs do not contribute to the inertia of the RPSS. Thus, the remaining RFCs have to keep the stability during a large disturbance.Few studies investigate the stability of a RPSS and most of them study only the behaviour of a RFC in a converter station against an infinite bus. However, there are very few studies investigating a system with several RFCs in converter stations. Against this background, the aim of this paper is to present the results of a multi-machine transient stability study with several RFCs. Different cases have been investigated: regenerative braking of a train; a fault in the overhead contact line and a fault in the parallel 132 kV line.For the investigated cases the system with RFCs is stable but oscillations in the rotor angle swing occur due to no damping being modelled in the system.

Place, publisher, year, edition, pages
Southampton: WIT Press, 2015. Vol. 155
Series
W I T Transactions on the Built Environment, ISSN 1746-4498 ; 155
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-33973DOI: 10.2495/CRS140141Local ID: 81013aef-2925-4837-be56-25265c2d93e4ISBN: 978-1-78466-025-3 (print)ISBN: 978-1-78466-026-0 (electronic)OAI: oai:DiVA.org:ltu-33973DiVA, id: diva2:1007222
Conference
International Conference on Railway Engineering Design and Optimization : 24/06/2014 - 26/06/2014
Note
Validerad; 2015; Nivå 1; 20141111 (johlau)Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2017-11-25Bibliographically approved

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Publisher's full texthttp://www.witpress.com/elibrary/wit-transactions-on-the-built-environment/155/31770

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CiteExportLink to record
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