Alstom has received funding from the European Commission for a research and development project to expand its HESOP braking energy recovery system.
The expansion will extend HESOP for use on metro networks and install it at a pilot site.
HESOP recovers 15% of the energy generated by trains during braking and re-injects it into the public grid, which reduces CO2 emissions by 15%.
The grant is part of the LIFE + Programme of the European Commission, which financially supports environmentally friendly initiatives.
"The expansion will extend HESOP for use on metro networks and install it at a pilot site."
The HESOP 750V system, which has been in operation in Paris, France, on the T1 tram line at Pablo Picasso station, will be developed into a 1,500-volt version for metro and suburban trains.
Following the development, the HESOP 1,500V will initially be installed on Subway Line 3 of the Milan metro in early 2015.
Usually in the braking phase, the electric engine in a train behaves like a generator, transforming movement into braking energy, 70%-75% of which is used by the train while the rest is lost.
HESOP is particularly suited for tram, metro and suburban trains, and allows for the recovery of around 99% of braking energy.
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