FIELD: transport.
SUBSTANCE: invention relates to automotive industry, particularly, to tractor power train with electromechanical drive. Proposed power train comprises heat engine, electric generator, drive wheels with wheel propulsors, wheel gearboxes, controlled planetary gearboxes, control unit, traction motor frequency inverters, and extra frequency inverter. Traction motors are connected in common circuit with control unit and electric generator. Wheel gearbox shafts are directly engaged with wheel propulsors. Controlled planetary gearboxes are coupled with traction motors and wheel gearboxes. Extra frequency inverter has its inputs connected to electric generator and control unit and outputs connected to frequency inverters. Controlled planetary gearboxes are arranged between traction motors and wheel gearboxes.
EFFECT: higher efficiency.
2 cl, 1 dwg
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Authors
Dates
2012-08-27—Published
2011-03-10—Filed