FIELD: machine building.
SUBSTANCE: invention relates to a power drives. Drive unit with energy accumulators contains an electric motor, a drive controller, end position sensors, a drive control unit, basic pressure accumulator, pressure accumulator control unit, down and step-up converters of the pressure accumulator. Step-up drive converter with a control unit, a Hall sensor connected to the drive controller and drive control unit of the drive converter are being added. Bridge converter is being connected to the step-up drive converter, drive controller and electric motor. Drive unit is being equipped with an additional pressure accumulator, connected in parallel with the main one. Each pressure accumulator contains a test voltage generator, disconnector, electronic key connected to the step-up drive converter and via a disconnector with a capacitive accumulator of the pressure accumulator.
EFFECT: efficiency of the drive unit is increased.
24 cl, 2 dwg
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