The excitation current should be connected to the rotor only after it has accelerated to a speed that is close to synchronous speed.
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Q4: The amortisseur winding provides good starting torque
Q5: What is a brushless exciter?
Q6: Synchronous motors are sometimes operated without load
Q7: What is the function of the field
Q8: What is the polarized field frequency relay
Q10: What happens when overexcitation takes place?
Q11: A synchronous motor cannot be made to
Q12: The _ relay is actually a timer
Q13: A special squirrel cage winding, called _,
Q14: A synchronous motor should never be started
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