A 3-phase induction motor is driving a constant torque load of 1 pu at 5% slip.
It has a maximum torque of 2 pu at 10% slip.
Torque-speed variation in stable zone is assumed to be linear.
For a stable operation of the motor, the minimum per unit supply voltage is approximately
A. 0.25
B. 0.50
C. 0.707
D. 0.80
Show Answer
Answer: C
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