A 460 V 25HP 60HZ 4 pole Y-connected induction motor has the following impedances in ohm/phase referred to the stator side is, R, =0.6450 R2 =0.3350 X, = 1.120 The core losses are 900w. The friction & windage losses are given as 220w. For a slip of 23 percent at the related voltage X2 = 0.4650 Xm= 26.50 and rated frequency find. a) The rotor and synchronous speed b) Stator current c) Power factor of the induction motor d) Converted and output power

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VOLTE D
46ll 36 ll M
A M ...
DI 8:47
+ 01
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A 460 V 25HP 60OHZ 4 pole Y-connected induction motor has the following impedances in ohm/phase referred to the stator
side is
R, =0.6450
R2 = 0.3350
х, - 1.120
X2 = 0.4650
X= 26.50
The core losses are 900W. The friction & windage losses are given as 220W. For a slip of 2.3 percent at the related voltage
and rated frequency find.
а)
The rotor and synchronous speed
b) Stator current
c)
Power factor of the induction motor
d) Converted and output power
1/1
w
Rotate
Markup
Word
Signature
Note
Transcribed Image Text:VOLTE D 46ll 36 ll M A M ... DI 8:47 + 01 Image Text A 460 V 25HP 60OHZ 4 pole Y-connected induction motor has the following impedances in ohm/phase referred to the stator side is R, =0.6450 R2 = 0.3350 х, - 1.120 X2 = 0.4650 X= 26.50 The core losses are 900W. The friction & windage losses are given as 220W. For a slip of 2.3 percent at the related voltage and rated frequency find. а) The rotor and synchronous speed b) Stator current c) Power factor of the induction motor d) Converted and output power 1/1 w Rotate Markup Word Signature Note
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