Everything about Electric Multiple Units totally explained
An
Electric Multiple Unit or
EMU is a
multiple unit train consisting of many carriages using
electricity as the motive power.
Types
The cars that form a complete EMU set can usually be separated by function into four types : Power Car, Motor Car, Driving Car, and Trailer Car. Each car can have more than one function, such as a Motor-Driving Car or Power-Driving Car.
- A Power Car carries the necessary equipment to draw power from the electrified infrastructure, such as shoes for third rail systems and pantograph for overhead lines systems, and transformers.
- Motor Cars carry the traction motor to move the train.
- Driving Cars are similar to a cab car, containing a driver's cab for controlling the train. An EMU consist usually of two driving cars, resulting in only one driver's cab at each end of the train.
- Trailer Cars are any car that carry no traction or power related equipments, and are similar to passenger cars in a locomotive-hauled train.
Examples
Some of the more famous Electric Multiple Units in the world are high speed trains: the
Shinkansen in
Japan and
ICE 3 in
Germany.
EMUs are also popular on commuter and suburban rail networks around the world due to their fast acceleration, pollution-free operation and quietness. Being quieter than
DMU and
Locomotive-drawn trains, EMUs can operate later at night and more frequently without disturbing residents living near the railway lines. In addition, tunnel design for EMU trains is simpler as provisions don't need to be made for diesel exhaust fumes.
Gallery
Image:AM80 Break.jpg|Belgian EMU AM80 "Break" unit.
Image:450083 at Waterloo.jpg| A British SWT Class 450 suburban unit at London Waterloo Station.
Image:390029_'City_of_Stoke-on-Trent'_at_Birmingham_New_Street.JPG|A British Class 390 in Birmingham New Street, in Virgin Trains livery.
Image:British Rail Class 334 005.jpg|A British Class 334 "Juniper" EMU at Gourock in Scotland.
Image:Transperth-466-468-McIver-150705.jpg|Transperth B Series EMUs operate in Perth, Australia
Image:323242_departs_Longbrige_1_September_2005.jpg|A British Class 323 EMU departs Longbridge in the United Kingdom.
Image:Delhi Metro.jpeg|New Delhi Metro EMU in India.
Image:QREMU65.JPG|An Australian Citytrain EMU.
Image:RegionalRailR5Paoli.jpg|SEPTA EMUs near Paoli, PA, USA
Image:ED4MKM-AERO.jpg|Russian EMU ED4MKM unit.
Image:JR-East_E233-1001_ura101F_testrun.jpg|Japanese JR East Type E233-1000 EMU test run Omiya, Japan
Image:JR-West_500.jpg|Japanese JR West Shinkansen Type 500 EMU
Further Information
Get more info on 'Electric Multiple Units'.
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