FIELD: transport machine building.
SUBSTANCE: invention relates to the vehicles electrical traction systems. Vehicle comprises transmission unit with electric motor, stationary energy storage device, control unit for modulation of energy flow, interface with multiple connection sections for each replaceable energy accumulator. Control unit is designed to modulate the energy flow between the energy accumulator installed in a stationary manner in the vehicle, as well as replaceable energy accumulators and an electric motor. Control unit is designed so that when a plurality of replaceable energy accumulators is connected to the interface, the energy flow is modulated so that the replaceable energy accumulators are discharged in series. At that, control unit is made so that modulation of energy flow in traction mode is carried out so that at first each energy accumulator is discharged and only then, when each replaceable energy accumulator cannot be used to provide energy, energy is extracted from stationary power accumulator.
EFFECT: technical result consists in increase of vehicle travel margin.
6 cl, 1 dwg
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