A 30-kVA, 230-V, 50-Hz, star-connected, 3-phase salient-pole synchronous generator supplies load at a lagging power factor angle of 45°. The phase constants of the generator are Xd = 4.0 0; Xq = 20 and negligible armature resistance. If the combined FWIL is equal to 4000 watts. Calculate (1) power angle, (2) voltage regulation, (3) Prime mover Output (4) efficiency under the given load conditions. If Xd=Xq= 3.5 ohms calculate its (5) apparent power, (6) reactive and (7) true power output under given load conditions,

A 30-kVA, 230-V, 50-Hz, star-connected, 3-phase salient-pole synchronous generator supplies load at a lagging power factor angle of 45°. The phase constants of the generator are Xd = 4.0 0; Xq = 20 and negligible armature resistance. If the combined FWIL is equal to 4000 watts. Calculate (1) power angle, (2) voltage regulation, (3) Prime mover Output (4) efficiency under the given load conditions. If Xd=Xq= 3.5 ohms calculate its (5) apparent power, (6) reactive and (7) true power output under given load conditions,

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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