FIELD: engines and pumps.
SUBSTANCE: invention relates to drives and can be used as a drive with stepless RPM and torque control. Proposed electric drive comprises motor (1), motor RPM control system and planetary plate-type friction speed variator (2). Adaptive variator (2) comprises RPM pickup (5) with counter (4) on output shaft (3). Pickup (5) is connected to motor RPM controller (6).
EFFECT: higher torque and electric drive overload endurance, better dynamic properties and higher efficiency in low load range.
11 cl, 5 dwg
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