FIELD: transport machine building.
SUBSTANCE: invention relates to the vehicles electrical traction systems. Propulsion plant with cascade electric converter includes control system, generator unit, circuit breakers, electric converter and traction electric motor. By their outputs to the inputs of the electric converter, which outputs are connected to traction motor phase windings. Electric converter consists of phases of electric converter, each phase contains single-phase frequency converters. At that, each of single-phase frequency converters by its input is connected to output contacts of its automatic circuit breaker, and outputs of single-phase converters are connected in series and form conditional beginning and end of electric converter phases. Inputs of automatic circuit breakers are connected each to the output of its multi-phase electric winding of generator unit. Traction motor is structurally made with galvanically isolated phase windings on stator, conditional beginnings and end of each of which is connected to conditional beginning and end of its phase of electric converter respectively.
EFFECT: technical result consists in improvement of reliability of propulsion system.
5 cl, 7 dwg
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