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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
10-5. A 220-V, 1.5-hp, 50-Hz, two-pole, capacitor-start induction motor has the follow ing main-winding impedances:
Â
R1 = 1.40 .Q
R2 = 1.50 .Q
Â
x. =Â 1.90 .Q
X2 = 1.90 .Q
Â
Â
At a slip of 0.05, the motor's rotational losses are 291 W. The rotational losses may be assumed constant over the normal operating range of the motor. Find the fol lowing quantities for this motor at 5 percent  slip:
(a)Â Â Â Â Â Stator current
(b)Â Â Â Â Â Stator power factor
(c)Â Â Â Â Â Input power
(d)Â Â Â Â Â PAG
(e)Â Â Â Â Â Pconv
Â
Â
Â
(!) Pow
(g)Â Â Â Â Â ) Tind
(h)Â Â Â Â Â ) Ttoad
(i)Â Â Â Â Â Â Â Efficiency
Â
Â
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