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AC cables strengthening low frequency AC railway with purely active power loads
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-2109-060X
2018 (English)In: 2018 IEEE Power & Energy Society General Meeting (PESGM), IEEE, 2018, , p. 5Conference paper, Published paper (Refereed)
Abstract [en]

Converter-fed railway power systems traditionally use high voltage AC overhead transmission lines in the railway grid for increased loadability. An increased resistance to overhead high voltage AC transmission lines, may motivate cables as one alternative for the future. The focus of this paper is to compare a non-strengthened system with two cable solutions for comparing loadability, voltages, and reactive powers for different levels of load scaling. The studies confirmed that the obstacle of reactive power produced in lowly utilized cables is, even if less significant for low frequency AC, still present. A simplified load model is used representing trains with VSC-converters and three-phase motors as purely active loads regardless of motoring or regenerating. A previous study has been done on thyristor-based trains. The voltage levels while regenerating are higher than in the thyristor-train case study. Besides that the loadability for motoring and regenerating is higher with modern VSC-trains.

Place, publisher, year, edition, pages
IEEE, 2018. , p. 5
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-70754DOI: 10.1109/PESGM.2018.8585819ISI: 000457893900080ISBN: 978-1-5386-7703-2 (print)OAI: oai:DiVA.org:ltu-70754DiVA, id: diva2:1245147
Conference
2018 IEEE POWER & ENERGY SOCIETY GENERAL MEETING (PESGM),05-10 August, 2018 Portland, OR, USA
Available from: 2018-09-04 Created: 2018-09-04 Last updated: 2019-03-08Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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  • de-DE
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  • nn-NO
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  • Other locale
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