A three-phase, star-connected, 7460 KW, 6000V, 50 Hz synchronous motor has a power factor of 0.8, while its efficiency is 92% when feeding a load upstream. The armature resistance of this motor is 0.5 and the synchronous reactance is 4.2. The stator winding is connected to an infinitely powerful network. A mechanical load equal to 75% of the rated load is connected to the shaft of the motor. According to this: a) Enter the amplitude value of the current passing through the phase windings of the motor. will be entered.) b) Calculate the pole wheel voltage induced in the motor. (The result will be written in Volts and in two digits after the comma.) c) Calculate the load angle. (The result will be written in Volts and in two digits after the comma.) c) Enter the value of the internal phase angle. (The result will be entered as two digits after the comma)

A three-phase, star-connected, 7460 KW, 6000V, 50 Hz synchronous motor has a power factor of 0.8, while its efficiency is 92% when feeding a load upstream. The armature resistance of this motor is 0.5 and the synchronous reactance is 4.2. The stator winding is connected to an infinitely powerful network. A mechanical load equal to 75% of the rated load is connected to the shaft of the motor. According to this: a) Enter the amplitude value of the current passing through the phase windings of the motor. will be entered.) b) Calculate the pole wheel voltage induced in the motor. (The result will be written in Volts and in two digits after the comma.) c) Calculate the load angle. (The result will be written in Volts and in two digits after the comma.) c) Enter the value of the internal phase angle. (The result will be entered as two digits after the comma)

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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