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A three-phase 6-pole 400-volt cylindrical-rotor synchronous machine has negligible arr resistance and armature reactance of j1.2 ohms. The machine is operated as a motor by a 60-Hz supply at rated voltage. What will be the operating speed of this motor? Exp answer in RPM. O a. 3600 RPM b. None of these are correct. O C. 1200 RPM O d. 2400 RPM 3000 RPM

A three-phase 6-pole 400-volt cylindrical-rotor synchronous machine has negligible arr resistance and armature reactance of j1.2 ohms. The machine is operated as a motor by a 60-Hz supply at rated voltage. What will be the operating speed of this motor? Exp answer in RPM. O a. 3600 RPM b. None of these are correct. O C. 1200 RPM O d. 2400 RPM 3000 RPM

Introductory Circuit Analysis (13th Edition)
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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A three-phase 6-pole 400-volt cylindrical-rotor synchronous machine has negligible armature resistance and armature reactance of j1.2 ohms. The machine is operated as a motor supplied by a 60-Hz supply at rated voltage. What will be the operating speed of this motor? Express your answer in RPM. a. 3600 RPM b. None of these are correct. C. 1200 RPM O d. 2400 RPM e. 3000 RPM
Transcribed Image Text:A three-phase 6-pole 400-volt cylindrical-rotor synchronous machine has negligible armature resistance and armature reactance of j1.2 ohms. The machine is operated as a motor supplied by a 60-Hz supply at rated voltage. What will be the operating speed of this motor? Express your answer in RPM. a. 3600 RPM b. None of these are correct. C. 1200 RPM O d. 2400 RPM e. 3000 RPM
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