FIELD: railway transport. SUBSTANCE: use of two-section diesel locomotive and automatic change-over of operating duties of one of the sections from electric heating duty to traction duty. The device is provided with two step-up three-phase transformers located in each section, with their input windings connected via contactors to the respective stator windings of synchronous generator for its operation in electric heating duty, and with their output windings - to series- connected three-phase rectifiers. Connected to the outputs of these rectifiers are the train electric heating buses, with the rail circuits used as one of them. EFFECT: improved design. 2 dwg
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