Please show a complete solution to the problem 7. A 100-hp, three-phase, wye-connected, 50-Hz, 450-V, four-pole, cylindrical-rotor synchronous motor is operating at rated conditions and 80 percent power-factor leading. The efficiency, excluding field and stator losses, is 91 percent, and the synchronous reactance is 3.55 Ohms/phase. Determine the magnitude of the excitation voltage in volts. Give your final answer in 2 decimal places.

Please show a complete solution to the problem 7. A 100-hp, three-phase, wye-connected, 50-Hz, 450-V, four-pole, cylindrical-rotor synchronous motor is operating at rated conditions and 80 percent power-factor leading. The efficiency, excluding field and stator losses, is 91 percent, and the synchronous reactance is 3.55 Ohms/phase. Determine the magnitude of the excitation voltage in volts. Give your final answer in 2 decimal places.

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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