A 3-phase induction motor has a 4-pole star-connected stator winding. The motor runs on a 50 Hz supply with 390 V between lines. The rotor resistance and standstill reactance per phase are 0.09 Ohm and 0.53 Ohm respectively. The ratio of the rotor to stator turns is 0.89. Calculate the torque, in Newton-meters, at 5% slip. Correct Answer: 392.11
A 3-phase induction motor has a 4-pole star-connected stator winding. The motor runs on a 50 Hz supply with 390 V between lines. The rotor resistance and standstill reactance per phase are 0.09 Ohm and 0.53 Ohm respectively. The ratio of the rotor to stator turns is 0.89. Calculate the torque, in Newton-meters, at 5% slip. Correct Answer: 392.11
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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A 3-phase induction motor has a 4-pole star-connected stator winding. The motor runs on a 50 Hz supply with 390 V between lines. The rotor resistance and standstill reactance per phase are 0.09 Ohm and 0.53 Ohm respectively. The ratio of the rotor to stator turns is 0.89. Calculate the torque, in Newton-meters, at 5% slip.
Correct Answer: 392.11
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