POWER SUPPLY SYSTEM OF VEHICLE WITH ELECTRIC TRACTION PROVIDING RELIABLE EMERGENCY BRAKING AND EMERGENCY SELF-PROPELLED MOVEMENT AFTER BRAKING

摘要

FIELD: transport engineering: power supply systems of vehicles with electric traction.;SUBSTANCE: invention is designed for power supply of streetcars and trolley buses. Proposed system is essentially stand-by power supply source for traction motors installed on vehicle. Said power supply source includes storage batteries and several superpower capacitors. Said capacitors are connected in series by means of system of change-over switches when vehicles is to move at its own power supply on de-energized section of contact system. Step-up voltage converter, thus formed, provides required power supply for traction motors. System precludes breakdown current loads on storage battery, provides reliable braking of vehicle and feeds energy into circuit.;EFFECT: improved reliability and enlarged operating capabilities.;1 dwg