Invention and Engineering

Head-end power

In rail transport, head-end power (HEP), also known as electric train supply (ETS), or even known by the name Head-on Generation (HOG) in India, is the electrical power distribution system on a passenger train. The power source, usually a locomotive (or a generator car) at the front or 'head' of a train, provides the electricity used for heating, lighting, electrical and other 'hotel' needs. The maritime equivalent is hotel electric power. A successful attempt by the London, Brighton and South Coast Railway in October 1881 to light the passenger cars on the London to Brighton route heralded the beginning of using electricity to light trains in the world.

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See also

• ▸Daniel Guggenheim Medal
• ▸Children in the military
• ▸2-6-8-0

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