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The torque is being developed When the stator pulls the rotor into synchronism is know as
Starting torque
Pull-out torque
Pull-in torque
Running torque
Pull-in torque
The correct answer is C (Pull-in torque). This term defines the torque that a synchronous motor develops to pull the rotor into synchronism with the rotating magnetic field of the stator.
The correct answer is C (Pull-in torque). This term defines the torque that a synchronous motor develops to pull the rotor into synchronism with the rotating magnetic field of the stator.
T=kтЛЕIтЛЕsin(╬╕) тАФ Torque produced in a motor relates to current and angle.
╧ЙsynтАЛ=P2╧АfтАЛ тАФ Synchronous speed of the motor.
When a synchronous motor is energized, the stator produces a rotating magnetic field. The pull-in torque is generated as the rotor is pulled into alignment with this field, allowing it to become synchronized with the stator's magnetic rotation.
The pull-in torque is crucial for starting a synchronous motor.
It ensures that the rotor can catch up with the stator's magnetic field.
Provides a strong start-up torque for synchronous motors.
Ensures stability in synchronous systems.
If the pull-in torque is insufficient, the motor may fail to start.
Can lead to excessive noise or vibrations if not managed properly.
Used in industrial drives and large machinery.
Applicable in synchronous generators for power generation.
Standard pull-in torques vary among different motor designs.
Options A (Starting torque) and B (Pull-out torque) refer to different torque ranges in motor operation.
C is correct тАФ Pull-in torque is the torque developed during the synchronization process of a synchronous motor.
Understanding torque concepts helps in solving related questions in both electrical machines and control systems.