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AC cables strengthening low frequency AC railway with purely active power loads
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0003-2109-060X
2018 (engelsk)Inngår i: 2018 IEEE Power & Energy Society General Meeting (PESGM), IEEE, 2018, , s. 5Konferansepaper, Publicerat paper (Fagfellevurdert)
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.

sted, utgiver, år, opplag, sider
IEEE, 2018. , s. 5
HSV kategori
Forskningsprogram
Elkraftteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-70754DOI: 10.1109/PESGM.2018.8585819ISI: 000457893900080ISBN: 978-1-5386-7703-2 (tryckt)OAI: oai:DiVA.org:ltu-70754DiVA, id: diva2:1245147
Konferanse
2018 IEEE POWER & ENERGY SOCIETY GENERAL MEETING (PESGM),05-10 August, 2018 Portland, OR, USA
Tilgjengelig fra: 2018-09-04 Laget: 2018-09-04 Sist oppdatert: 2019-09-06bibliografisk kontrollert

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