4. In a three-phase, 4-pole, PMAC motor, the torque constant kr= 0.5 Nm/A. Calculate the phase currents if the motor is to produce a counter-clockwise holding torque of 5 Nm to keep the rotor, which is at an angle of 6m= 45°, from turning. Please draw space vectors i, and B, at this moment. %3D

4. In a three-phase, 4-pole, PMAC motor, the torque constant kr= 0.5 Nm/A. Calculate the phase currents if the motor is to produce a counter-clockwise holding torque of 5 Nm to keep the rotor, which is at an angle of 6m= 45°, from turning. Please draw space vectors i, and B, at this moment. %3D

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter35: Harmonics 916

Section: Chapter Questions

Problem 3RQ: Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction...

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4. In a three-phase, 4-pole, PMAC motor, the torque constant kr= 0.5 Nm/A. Calculate the phase
currents if the motor is to produce a counter-clockwise holding torque of 5 Nm to keep the rotor,
which is at an angle of Om = 45°, from turning. Please draw space vectors i and B, at this moment.

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