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Optimization Model for Operation of Battery Multiple Units on Partly Electrified Railway Lines

Schenker, Moritz and Kühlkamp, Florian (2021) Optimization Model for Operation of Battery Multiple Units on Partly Electrified Railway Lines. In: 2021 16th International Conference on Ecological Vehicles and Renewable Energies, EVER 2021. IEEE. Sixteenth International Conference on Ecological Vehicles and Renewable Energies (EVER 2021), 5-7 May 2021, Monte-Carlo, Monaco (Online). doi: 10.1109/EVER52347.2021.9456608. ISBN 978-166544902-1.

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Official URL: https://ieeexplore.ieee.org/document/9456608

Abstract

This paper aims to demonstrate the applicability and flexibility of a direct method optimization model for battery electric railway operation on partly electrified lines. The proposed algorithm allows the simultaneous optimization of both the speed profile and the power control, including battery recharging with the condition of charge-sustaining operation. It is shown that the optimization model is capable of reducing the overall energy demand at the overhead line in comparison to a non-optimized operation strategy. Simulations were conducted for four different electrification scenarios, yielding major improvements in all cases not only for the energy demand at overhead line, but also concerning battery lifetime when compared to the non-optimized strategy. In addition, the analysis of battery stress reveals noticeable differences in estimated battery lifetime between the different scenarios laying the groundwork for future economical evaluations of battery electric railway operation and electrification patterns.

Item URL in elib:https://elib.dlr.de/143651/
Document Type:Conference or Workshop Item (Speech)
Title:Optimization Model for Operation of Battery Multiple Units on Partly Electrified Railway Lines
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Schenker, Moritzmoritz.schenker (at) dlr.dehttps://orcid.org/0000-0001-7609-5278
Kühlkamp, FlorianFlorian.Kuehlkamp (at) dlr.deUNSPECIFIED
Date:6 May 2021
Journal or Publication Title:2021 16th International Conference on Ecological Vehicles and Renewable Energies, EVER 2021
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.1109/EVER52347.2021.9456608
Publisher:IEEE
ISBN:978-166544902-1
Status:Published
Keywords:Battery electric multiple unit, railway optimization, partly electrified lines, direct method, optimal speed and power control, energy analysis, battery analysis
Event Title:Sixteenth International Conference on Ecological Vehicles and Renewable Energies (EVER 2021)
Event Location:Monte-Carlo, Monaco (Online)
Event Type:international Conference
Event Dates:5-7 May 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Rail Transport
DLR - Research area:Transport
DLR - Program:V SC Schienenverkehr
DLR - Research theme (Project):V - NGT BIT
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Vehicle Energy Concepts
Deposited By: Schenker, Moritz
Deposited On:11 Oct 2021 13:41
Last Modified:11 Oct 2021 13:41

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