Synchronous motors are generally not self-starting because
A) the direction of rotation is not fixed
B) the direction of instantaneous torque reverses after half cycle
C) startes cannot be used on these machines
D) starting winding is not provided on the machines
Correct Answer:
Verified
Q2: In case one phase of a three-phase
Q3: A pony motor is basically a
A)small induction
Q4: A synchronous motor can develop synchronous torque
A)when
Q5: A synchronous motor can be started by
A)pony
Q6: A three-phase synchronous motor will have
A)no slip-rings
B)one
Q7: Under which of the following conditions hunting
Q8: When the excitation of an unloaded salient
Q9: When V is the applied voltage, then
Q10: The power developed by a synchronous motor
Q11: A synchronous motor can be used as
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