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Synchronous Motor With Soft Start Element Formed Between The Motor Rotor And Motor Output Shaft To Successfully Synchronize Loads That Have High Inertia And/Or High Torque
Synchronous Motor With Soft Start Element Formed Between The Motor Rotor And Motor Output Shaft To Successfully Synchronize Loads That Have High Inertia And/Or High Torque
A line-start synchronous motor has a housing, a rotor shaft, and an output shaft. A soft-start coupling portion is operatively coupled to the output shaft and the rotor shaft. The soft-start coupling portion is configurable to enable the synchronous motor to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling. The synchronous motor is sufficiently rated to obtain synchronous operation and to drive, at least near synchronous speed during normal steady state operation of the motor, a load having characteristics sufficient to prevent obtaining normal synchronous operation of the motor when the motor is operatively connected to the load in the absence of the soft-start coupling.
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