FIELD: transport engineering. SUBSTANCE: device has synchronous generator, storage battery, generator field current pulsed regulator, two rectifiers, generator voltage frequency control unit and generator and battery voltage comparator unit. Frequency control unit blocks operation of current regulator and precludes current flow in generator field winding until generator rotor speed rises to value at which generator can charge battery and supply load. Voltage comparator unit returns control unit in initial state and interrupts operation of current regulator when rotor speed drops to value at which generator voltage becomes lower than battery voltage. EFFECT: enhanced reliability of operation. 1 dwg
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