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.
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.
Source: Wikipedia "Head-end power" · CC BY-SA 4.0
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