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Q. A three-phase ac motor, used to drive a draft fan, is connected to a 60-Hz voltage supply. At noload, the speed is 1188 r/min; at full load, the speed drops to 1128 r/min.
(a) Determine the number of poles of this ac motor.
(b) Comment on whether this motor is an induction motor or a synchronous motor.
A 2200-V, 1000-hp, three-phase, 60-Hz, 16-pole, wye-connected, wound-rotor induction motor is connected to a 2200-V, three-phase, 60-Hz bus that is supplied by synchronous generato
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how does this circuit work and what are th electrical components in it do?
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