Maxwell supplying ultracaps to ABB for hybrid version of Philadelphia rail energy recuperation system
Green Car Congress
APRIL 9, 2014
When decelerating or braking, a traction vehicle (train, tram or trolleybus) is feeding the regenerated braking energy back into the DC power network. Typically, if braking energy is not used by other vehicles in the network, it must be dissipated by the onboard braking resistors.
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