What is it about?
Trams demands high power during acceleration (when leaving a station), power demand significantly drops after acceleration phase. A short contact line from a stopping station (Accelerating Contact Line) supplies power to the tram during acceleration, then the tram draws power from the on-board energy storage device(s)
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Why is it important?
The Accelerating Contact Line (ACL) idea reduces the size and cost of the on-board energy storage with very little /negligible visual impact, just as the normal tram without overhead lines. The on-board energy storage devices (OBESDs) are currently costly, for example, the cost of an electric car is merely contributed by the OBESD.
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This page is a summary of: Enhancing Conventional Battery and Contact Line Hybrid Tram System with Accelerating Contact Lines, IET Electrical Systems in Transportation, September 2019, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-est.2018.5033.
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