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WMATA Wayside Energy Storage Demonstration Project

[+] Author Affiliations
Jian G. Yu

Gannett Fleming Transit & Rail Systems, Lebanon, NH

Moustapha Ouattara

Washington Metropolitan Area Transit Authority, Washington, DC

Paper No. JRC2018-6120, pp. V001T07A001; 8 pages
  • 2018 Joint Rail Conference
  • 2018 Joint Rail Conference
  • Pittsburgh, Pennsylvania, USA, April 18–20, 2018
  • Conference Sponsors: Rail Transportation Division
  • ISBN: 978-0-7918-5097-8
  • Copyright © 2018 by ASME


A 2MW Battery Power System (BPS) was installed and tested in a traction power substation on the Orange Line of the Washington Metropolitan Area Transit Authority (WMATA), as a demonstration project. Measurement data were obtained under normal revenue service conditions. In addition, the same installation was tested as an emergency power source to move trains to desired destinations when the traction power system was under a simulated blackout situation. The results were analyzed to assess the ability of the BPS installation to achieve energy saving, peak power reduction, train voltage support and emergency power provision. This paper describes the findings from this demonstration project and the follow-on efforts in WMATA.

Copyright © 2018 by ASME



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