Homework problem (2): A 10 hp, 230 V, 50 Hz, 3-phase, Y-connected, synchronous motor delivers full load at a power factor of 0.707 leading. The synchronous reactance of the motor is j5 ohm/phase. The rotational loss is 230 W and the field winding loss is 70 W. Calculate the generated voltage per phase and the efficiency of the motor. Neglect the armature-winding resistance. Answer: E A 248. 82 -22.8º V ; %ŋ × 96. 1% 11

Homework problem (2): A 10 hp, 230 V, 50 Hz, 3-phase, Y-connected, synchronous motor delivers full load at a power factor of 0.707 leading. The synchronous reactance of the motor is j5 ohm/phase. The rotational loss is 230 W and the field winding loss is 70 W. Calculate the generated voltage per phase and the efficiency of the motor. Neglect the armature-winding resistance. Answer: E A 248. 82 -22.8º V ; %ŋ × 96. 1% 11

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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