FIELD: electricity.
SUBSTANCE: drive contains: driving electric motor with a motor shaft and an output shaft coupled to the motor shaft and intended to impart motion to the valve; a control system adapted for control of the power drive output shaft via the first closed feedback circuit, the system including a controller connected to the first position sensor intended for recording the power drive output shaft position and the second position sensor intended for recording the motor shaft position and adapted for determination of the motor shaft speed; the control system is designed so that to enable response to registered signals from the first and the second sensors and corresponding adjustment of the motor speed (position).
EFFECT: achievement of a high level of adjustment accuracy and reliability.
22 cl, 10 dwg
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