Electro-diesel multiple unit

An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of a multiple unit that can be powered either by electric power picked up from the overhead lines or third rail (like an electric multiple unit – EMU) or by using an onboard diesel engine, driving an electric generator, which produces AC or DC electric power (like a diesel-electric multiple unit – DEMU).[1][2]

SNCF Class B 81500, an example of an electro-diesel multiple unit

List of BMUs

China

Two variants of the China Railway CR200J-SG Fuxing (HXD1D-J and FXN3-J) high-speed train are electro-diesel (bi-mode) multiple units specifically designed for plateau operation. They are HXD1D-J manufactured by CRRC Zhuzhou Locomotive and FXN3-J manufactured by CRRC Dalian. Two variants are served on Sichuan–Tibet railway.[3]

Australia

NSW TrainLink Regional Train Project is building 117 bi-mode carriages (1.5 kV DC) to replace its diesel fleet of interstate and regional XPT, Xplorer and Endeavour trainsets to be delivered by CAF from 2023.

France

Bombardier has built dual-mode variants of its AGC series[4] for the French operator SNCF; the electricity is collected by means of a pantograph.

  • B 81500multiple unit trains using 1.5 kV DC catenary. In service since 2005.
  • B 82500 – multiple unit trains using both 1.5 kV DC and 25 kV AC catenary. In service since October 2007.
  • Alstom Règiolis (B 83500, B 84500, B 85000, B 85900). In service since April 2014 (B 83500 and B 84500).

Italy

Netherlands

  • 18 bi-mode units of the Stadler WINK have entered service in 2021 with Arriva Netherlands. In addition to electric and diesel propulsion, these trains can also run on battery power.[7]

Norway

  • 14 bi-modal variants of the Stadler Flirt trains, called Norske Tog Class 76[8] in Norway, held by the state owned Norske Tog and operated by the line operator SJ AB (as SJ Nord) entering service in 2021. [9] This class is used on the regional train services around Trondheim.

Poland

EN63H West Pomerian Voivodeship operated by Polregio.

Russia

  • DT1 (ДТ1) Russian-gauge multiple unit. In service since 2009.

United Kingdom

Electro-diesel multiple units whose electricity source is 25 kV 50 Hz AC overhead line include:

British Rail Class 755 – multiple unit for use on Greater Anglia regional services. In service since July 2019 (755/4).[12][13]

See also

References

  1. "[UK] Greater Anglia: First FLIRT UK on the tracks for testing". Railcolornews. 15 May 2018.
  2. "Bi-mode multiple unit – FLIRT" (PDF). Stadler. The bi-mode units enable an interruption-free service on electrified and non-electrified lines. The necessary power is generated by diesel engines[…]. When running under catenary the diesel engines can be shut off
  3. "秦岭山间舞小青——内电双源高原动车组宝天铁路精彩亮相". sohu.com (in Chinese). 14 May 2021. Retrieved 13 April 2022.
  4. "MITRAC Hybrid The Dual Power Propulsion Chain" (PDF). Bombardier.
  5. (in Italian) it:Treno Bimodale Stadler BTR.813
  6. "First electro-diesel Flirts ordered".
  7. "WINK-treinen van Arriva gaan 12 april officieel in de dienstregeling rijden".
  8. "Bi-mode Multiple Unit – FLIRT Nordic" (PDF). Stadler Rail.
  9. "[NO / Expert] Bi-mode Flirt for Norske Tog leaving the Stadler factory [updated]". 28 September 2020.
  10. "Hybrid Multiple Unit | NEWAG SA". Newag. Retrieved 14 July 2021.
  11. ms (21 January 2021). "Pierwszy dwunapędowy Impuls 2 pojechał z pasażerami [zdjęcia]" [First bi-mode Impuls 2 carried passengers [photos]]. Rynek Kolejowy (in Polish). Retrieved 14 July 2021.
  12. Roden, Andy (8 October 2016). "New trains as Abellio scoops East Anglia franchise". Rail.
  13. Government gives green light for more state-of-the-art intercity trains, Department for Transport, 18 July 2013
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