Recuperation of railcar braking energy using energy storage at station level

Edmund Schaefer, Bart Homan, Gerwin Hoogsteen, Richard P. van Leeuwen, Johann L. Hurink

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Abstract

This paper investigates the effect of adding energy storage to a metro DC microgrid in order to recuperate otherwise dissipated energy produced through regenerative braking. For this, a power load profile is constructed for a metro station using existing measured railcar data, which is then used to derive the requirements for storing regenerative braking energy. It is found that introducing a storage can lead to an almost complete recuperation of otherwise dissipated energy. The derived requirements for the storage are then used to investigate a selection of possible scenarios more in depth. These scenarios include both smart controlled and uncontrolled scenarios, and with the usage of an ideal storage device as well as a (non-ideal) flywheel. Simulation results confirm that all braking energy can be recuperated through the addition of energy storage to the microgrid.
Original languageEnglish
Title of host publication2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)
PublisherIEEE
Pages1-6
Number of pages6
ISBN (Electronic)978-1-6654-8032-1
DOIs
Publication statusPublished - 30 Nov 2022
Event2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe) - University of Novi Sad, Novi Sad, Serbia
Duration: 10 Oct 202212 Oct 2022

Conference

Conference2022 IEEE PES Innovative Smart Grid Technologies Conference Europe (ISGT-Europe)
Country/TerritorySerbia
CityNovi Sad
Period10/10/2212/10/22

Keywords

  • DC grid
  • flywheel
  • metro
  • load profile decomposition
  • regenerative braking
  • 22/4 OA procedure

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