CIVITAS Case Study – Choppers: A sustainable solution for energy saving on trams
Results
The electric transport fleet in Craiova is composed of 34 tramways: nine of them were not used due to their high electrical consumption. Craiova upgraded the nine trams using the chopper system, an electronic driving system that facilitates lower power consumption. The new driving system is assisted by an on-board computer and a Windows application for data storing and processing of energy consumption. The trams are now able to reduce the energy consumption up to 40 percent and to provide a more comfortable transportation mode thanks to a smoother start-stop phase.
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