Electro-diesel multiple unit
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An electro-diesel multiple unit (EDMU) or bi-mode multiple unit (BMU) is a form of a multiple unit train 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 alternating current (AC) or direct current (DC) electric power (like a diesel-electric multiple unit – DEMU).[1][2]
List of EDMUs[edit]
![[icon]](File:Wiki_letter_w_cropped.svg){kind=small} | This section needs expansion. You can help by adding to it. (September 2019) |
Asia[edit]
China[edit]
China Railway CR200J-SG Fuxing high-speed train is a power-concentrated electro-diesel (bi-mode) multiple unit specifically designed for plateau operation. Each train consists of HXD1D-J electric locomotive (power car) at one end, FXN3-J two-unit diesel locomotive (two power cars) at another end, and 9 25-T passenger coaches between them. Electric and diesel power cars have their own independent traction motor systems, but can be operated from cabs of each other. HXD1D-J is a special version of HXD1D electric locomotive manufactured by CRRC Zhuzhou Locomotive and FXN3-J is a special version of a FXN3 locomotive manufactured by CRRC Dalian – both of them have changed body design and are adapted for joint operation as part of a train.[3][4] These trains are served on Sichuan–Tibet railway.[5]
Oceania[edit]
Australia[edit]
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.
Europe[edit]
France[edit]
Bombardier has built dual-mode variants of its AGC series[6] 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[edit]
- BTR 813,[7] first electro-diesel version of the Stadler Flirt, service in the Valle d'Aosta region[8] since October 2019.
Netherlands[edit]
- 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.[9]
Norway[edit]
- 14 bi-modal variants of the Stadler Flirt trains, called Norske Tog Class 76[10] in Norway, held by the state owned Norske Tog and operated by the line operator SJ AB (as SJ Nord) entering service in 2021.[11] This class is used on the regional train services around Trondheim.
Poland[edit]
- Newag Impuls is offered in electro-diesel (hybrid) version.[12] The first units were delivered to West Pomeranian Voivodeship and started regular revenue service in early 2021.[13]
Russia[edit]
- DT1 (ДТ1) Russian-gauge multiple unit. In service since 2009.
Spain[edit]
Renfe Class 730 – a bi-mode subversion of Renfe Class 130, a dual-gauge, dual-voltage high-speed power-concentrated electric multiple unit, a part of Talgo 250 family. In 2012, 15 original Class 130 trainsets were modified to Class 730 by replacing their end passenger coaches with diesel-generator cars. Each train consists of 13 cars, including 2 electric locomotive-like power cars, 2 diesel-generator cars and 9 passenger coaches.[14] One train crashed in 2013, another 14 are still in use on Alvia services.[15]
United Kingdom[edit]
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 805 – high-speed multiple unit for use on West Coast Main Line Avanti West Coast services to Shrewsbury and the North Wales Coast Line, replacing Class 221s
- British Rail Class 768 – multiple unit converted from Class 319 (with external dual-system/voltage support), for use by Rail Operations Group on parcel services.
- 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. In service since November 2019.
British Rail Class 755 – multiple unit for use on Greater Anglia regional services. In service since July 2019 (755/4).[16][17]
North America[edit]
United States[edit]
The following were retired from New York City service:
- "Roger Williams" – streamlined 6-car lightweight DMU passenger train, built by Budd Company in 1956 for New York, New Haven and Hartford Railroad; primarily diesel-hydraulic, third-rail electric mode for short-term use only. Three cars preserved.
- GE/Garrett gas turbine MUs – primarily electric, but built with gas turbines to allow operation outside of third rail electrification. All scrapped.
Mexico[edit]
- X'Trapolis Tsíimin K'áak – 42 trains ordered for Tren Maya, 32 of which are EDMU[18]
See also[edit]
References[edit]
- ^ "[UK] Greater Anglia: First FLIRT UK on the tracks for testing". Railcolornews. 15 May 2018.
- ^ "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
- ^ "CR200JS-G". china-emu.cn (in Chinese).
- ^ "CR200JS-G (video)". bilibili.com.
- ^ "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.
- ^ "MITRAC Hybrid The Dual Power Propulsion Chain" (PDF). Bombardier.
- ^ (in Italian) it:Treno Bimodale Stadler BTR.813
- ^ "First electro-diesel Flirts ordered". Archived from the original on 2020-11-26. Retrieved 2019-04-11.
- ^ "WINK-treinen van Arriva gaan 12 april officieel in de dienstregeling rijden".
- ^ "Bi-mode Multiple Unit – FLIRT Nordic" (PDF). Stadler Rail.
- ^ "[NO / Expert] Bi-mode Flirt for Norske Tog leaving the Stadler factory [updated]". 28 September 2020.
- ^ "Hybrid Multiple Unit | NEWAG SA". Newag. Retrieved 14 July 2021.
- ^ 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.
- ^ "Talgo 250 Dual". talgo.com.
- ^ "Trayectos y Servicios - clase preferente". Renfe.es (in Spanish).
- ^ Roden, Andy (8 October 2016). "New trains as Abellio scoops East Anglia franchise". Rail Magazine.
- ^ Government gives green light for more state-of-the-art intercity trains, Department for Transport, 18 July 2013
- ^ Fender, Keith (5 September 2023). "Passenger equipment from Britain, US heads to Mexico". Trains. Retrieved 24 November 2023.
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