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Q#1
Induction Machines
GATE EE 2024
MCQ
+1 mark
-0.33 marks
A three phase, 
pole induction motor runs at 
. The stator copper loss, core loss, and the rotational loss of the motor can be neglected. The percentage efficiency of the motor is
92
94
96
98
Explanation:
Losses are ignored but we cannot ignore rotor copper losses. Since there are no friction and windage losses the mechanical developed power is same as output power.
Since, stator losses are ignored the input power is same as air gap power.
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