Electro-diesel multiple unit

An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of passenger rail car, with permanently or semi-permanently coupled carriages, that can be powered either by an external electricity supply (like an electric multiple unit- EMU) or by using an onboard diesel engine (like a diesel-electric multiple unit – DEMU).[1]

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

List of BMUs

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

SNCF B 82500 BMU

Bombardier has built dual-mode variants of its AGC series[2] for the French operator SNCF; the electricity is collected by means of a pantograph.

B 81500 – multiple 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

BTR 813,[3] first Electro-diesel version of the Stadler Flirt, service in the Valle d'Aosta region.[4] In service since October 2019.

United Kingdom

British Rail Class 802

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

British Rail Class 800 – high-speed multiple unit for use on Great Western Railway and London North Eastern Railway inter-city services. In service since October 2017.
British Rail Class 802 – high-speed multiple unit for use on Great Western Railway, Hull Trains and TransPennine Express inter-city services. In service since August 2018.
British Rail Class 769 – multiple unit converted from Class 319 (with external dual-system/voltage support), for use on Great Western Railway, Northern and Transport for Wales regional services. Introduction from December 2019.
British Rail Class 755 – multiple unit for use on Greater Anglia regional services. In service since July 2019 (755/4).[5][6]

Russia

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

Thailand

Mr. Worawut Malala, Deputy Governor of the Railway Management Business Group of Thailand (RTD) revealed that the Board of Directors' meeting (board), ROFT, on 16 January (2020?), resolved to approve the diesel car for service.

References

railcolornews.com - "[UK] Greater Anglia: First FLIRT UK on the tracks for testing" - "Stadler Rail has started testing the first FLIRT UK at its commissioning centre in Erlen (CH). It is a 4-car bi-mode multiple unit (BMU) of which 38 units will be built (Class 755)." - 15.05.2018
"MITRAC Hybrid The Dual Power Propulsion Chain" (PDF). Bombardier.
(in Italian) it:Treno Bimodale Stadler BTR.813
http://www.railwaygazette.com/news/traction-rolling-stock/single-view/view/first-electro-diesel-flirts-ordered.html
Roden, Andy (8 October 2016). "New trains as Abellio scoops East Anglia franchise". Rail.
Government gives green light for more state-of-the-art intercity trains, Department for Transport, 18 July 2013

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[1] railcolornews.com - "[UK] Greater Anglia: First FLIRT UK on the tracks for testing" - "Stadler Rail has started testing the first FLIRT UK at its commissioning centre in Erlen (CH). It is a 4-car bi-mode multiple unit (BMU) of which 38 units will be built (Class 755)." - 15.05.2018

[BombMITRAC-2] "MITRAC Hybrid The Dual Power Propulsion Chain" (PDF). Bombardier.

[3] (in Italian) it:Treno Bimodale Stadler BTR.813

[4] ttp://www.railwaygazette.com/news/traction-rolling-stock/single-view/view/first-electro-diesel-flirts-ordered.html

[5] Roden, Andy (8 October 2016). "New trains as Abellio scoops East Anglia franchise". Rail.

[6] Government gives green light for more state-of-the-art intercity trains, Department for Transport, 18 July 2013