If mechanical load is added to a synchronous motor and the magnetic coupling between the rotor and stator is broken, what would be the result to the motor's operation?

Select the most correct answe r from the selection provided below

Question

If mechanical load is added to a synchronous motor and the magnetic coupling between the rotor and stator is broken, what would be the result to the motor's operation? 
   
 Select the  most correct answe r from the selection provided below

Accepted Answer

The circuit breaker will trip due to high induced current

Answer

The motor will just stop

Answer

An angular shift between poles will create a stronger torque

Answer

The out-of-step relay will re-activate the excitation current

Answer

The damper winding will keep the speed up until magnetic coupling is re-established

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If mechanical load is added to a synchronous motor and the magnetic coupling bet...

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