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Fast estimation of the relation between aggregated train power system information and the power and energy converted
KTH, Skolan för elektro- och systemteknik (EES), Elektriska energisystem.ORCID-id: 0000-0003-2109-060X
KTH, Skolan för elektro- och systemteknik (EES), Elektriska energisystem.ORCID-id: 0000-0002-8189-2420
2009 (engelsk)Inngår i: Australian Journal of Electrical and Electronic Engineering, ISSN 1448-837X, Vol. 6, nr 3, s. 311-318Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Transports on rail are increasing and major investments in the railway infrastructure, including the railway power supply system (RPSS), are expected. The future railway power demands are naturally not known for certain. The more remote the uncertain future, the greater the number of scenarios that have to be considered. Large numbers of scenarios make time-demanding simulations unattractive. The aim of this paper is to present a fast approximator that uses aggregated RPSS information. Since the electrical and mechanical relations governing an RPSS are quite intricate, an approximator based on neural networks (NN) is applied. This paper presents a design suggestion for an NN estimating the power and energy flows through each converter station, given RPSS data and levels of train traffic. Even if the future usage of the NN is investment planning, the modelling of such an approximator has a value in itself concerning the understanding of the relations between RPSS and train traffic.

sted, utgiver, år, opplag, sider
2009. Vol. 6, nr 3, s. 311-318
Emneord [en]
Approximators, Converter station, Design suggestions, Energy flow, Fast estimation, Investment planning, Power demands, Power supply system, Railway infrastructure, Train power, Train traffic
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-36375Scopus ID: 2-s2.0-76349117042OAI: oai:DiVA.org:kth-36375DiVA, id: diva2:430727
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QC 20110712

Tilgjengelig fra: 2012-01-17 Laget: 2011-07-12 Sist oppdatert: 2014-04-11bibliografisk kontrollert

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Abrahamsson, LarsSöder, Lennart

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