3. The no-load current of an induction motor with 75kW of output power, which is connected to a 3-phase system with the line voltage of 4000V, 60HZ, is one-third and starting current is six times the full-load current. The motor is rotating at 900rpm. Calculate (i) the approximate values of the full-load current, starting current, and no-load current (ii) the output torque, synchronous speed, and rotor power (air gap power) given that the slip is 2%. Ignore frictional losses.
3. The no-load current of an induction motor with 75kW of output power, which is connected to a 3-phase system with the line voltage of 4000V, 60HZ, is one-third and starting current is six times the full-load current. The motor is rotating at 900rpm. Calculate (i) the approximate values of the full-load current, starting current, and no-load current (ii) the output torque, synchronous speed, and rotor power (air gap power) given that the slip is 2%. Ignore frictional losses.
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![3. The no-load current of an induction motor with 75kW of output power, which is connected to
a 3-phase system with the line voltage of 4000V, 60HZ, is one-third and starting current is six
times the full-load current. The motor is rotating at 900rpm. Calculate (i) the approximate
values of the full-load current, starting current, and no-load current (ii) the output torque,
synchronous speed, and rotor power (air gap power) given that the slip is 2%. Ignore frictional
losses.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9993fbfc-a89d-48a9-a2b1-ebaf4faeebf3%2Ff40f96b1-b805-4083-92ba-88c9db2d806d%2Fn4pmvpb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:3. The no-load current of an induction motor with 75kW of output power, which is connected to
a 3-phase system with the line voltage of 4000V, 60HZ, is one-third and starting current is six
times the full-load current. The motor is rotating at 900rpm. Calculate (i) the approximate
values of the full-load current, starting current, and no-load current (ii) the output torque,
synchronous speed, and rotor power (air gap power) given that the slip is 2%. Ignore frictional
losses.
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