Multiple Choice
When approximating the characteristics of a three -phase induction motor, which is not a rule of thumb?
A) The full load current is equal to a constant times the ratio of input power to stator voltage.
B) The starting current is roughly 6 times the full load current.
C) The no load current is roughly 0.3 times the full load current.
D) The rotor inductive reactance is equal to the rotor resistance in the stalled condition.
Correct Answer:
Verified
Correct Answer:
Verified
Q67: Which of the following is not a
Q68: AC motors are available as single phase
Q69: If brushes wear out, they can damage
Q70: For a motor with service factor of
Q71: The performance of the resistance -start, induction
Q73: Solid state devices like the H -bridge
Q74: AC power to the motor creates the
Q75: In a system with a lagging power
Q76: The number of poles set the speed
Q77: Match the portion of the curve t