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单词 Storage battery locomotive
释义

Storage battery locomotive

英语百科

Electric locomotive

An Amtrak EMD AEM-7 electric locomotive pushing a train in Trenton, New Jersey
Indian locomotive class WAP-5 hauling the Bhopal Shatabdi Express to New Delhi
von Siemens experimental train, 1879
Electric locomotive of the Baltimore Belt Line, 1895: The steam locomotive was not detached for passage through the tunnel. The overhead conductor was a ∩ section bar at the highest point in the roof, so a flexible, flat pantograph was used

An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or fuel cell. Electric locomotives with on-board fuelled prime movers, such as diesel engines or gas turbines, are classed as diesel-electric or gas turbine-electric locomotives because the electric generator/motor combination serves only as a power transmission system. Electricity is used to eliminate smoke and take advantage of the high efficiency of electric motors, but the cost of electrification means that usually only heavily used lines can be electrified.

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