A 2.15 KV, 1100-HP, unity power factor, 60-Hz, 2-pole, A-connected synchronous motor has a synchronous reactance of 10.0 0 per-phase and a negligible armature resistance. The friction and windage losses together with the core losses are 4.4 KW. The open-circuit characteristic of this motor is shown below in a tabular form This motor is being supplied from a large power system. How much field current is required to run this motor at 1100 HP, 2.15 KV, and PF = 1? 3.0 3.5 4.0 4.5 5.0 IF (A) O VT,oc 0 1.0 2.0 6.0 7.0 8.0 9.0 10.0 650 1250 1800 2000 2200 2375 2500 2650 2800 2820 2850 2880 Select one: O a. None O b.lE= 4.2 A O c. IF= 5.0 A O d. IF = 3.8 A O e.lF= 6.0 A Clear my choice

A 2.15 KV, 1100-HP, unity power factor, 60-Hz, 2-pole, A-connected synchronous motor has a synchronous reactance of 10.0 0 per-phase and a negligible armature resistance. The friction and windage losses together with the core losses are 4.4 KW. The open-circuit characteristic of this motor is shown below in a tabular form This motor is being supplied from a large power system. How much field current is required to run this motor at 1100 HP, 2.15 KV, and PF = 1? 3.0 3.5 4.0 4.5 5.0 IF (A) O VT,oc 0 1.0 2.0 6.0 7.0 8.0 9.0 10.0 650 1250 1800 2000 2200 2375 2500 2650 2800 2820 2850 2880 Select one: O a. None O b.lE= 4.2 A O c. IF= 5.0 A O d. IF = 3.8 A O e.lF= 6.0 A Clear my choice

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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