FIELD: transport; power transmission in auxiliary equipment circuits. SUBSTANCE: device has DC generator 1 mechanically coupled with shaft rotating at variable speed. Generator has armature winding 11 and field winding 1, 2, two pulse current regulators 2, 3, two contactors 6, 7, three voltage relays 10, 11, 12, four isolation diodes 8, 9, 3.13, 3.14, and discharge resistor 3.5. Device provides optimization of battery charging process. EFFECT: reduced power consumption of auxiliary electrical equipment. 1 dwg
