FIELD: machine building.
SUBSTANCE: proposed damper comprises torque transducer, damper of torsional oscillations connected therewith, frequency-controlled drive motor controller connected with said damper and drive motor inverter. The latter is connected with said controller to control power fed to motor. This is executed on the bases of signals generated by controlled and converted by torque correcting signal to damp torsional oscillations in contraction circuit intrinsic frequency.
EFFECT: decreased or smoothed negative effects of variable torsional stress.
15 cl, 4 dwg
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