(i) A 440 V, 60 Hz, star connected, the four-pole synchronous generator has a synchronous reactance of 0.13 Q and an armature resistance of 0.011 0. At full load, the machine supplies 850 A at 0.85 PF lagging. Find a) the speed of rotation of the generator. ( b) three-phase power the generator supplying at full load? ( C) If the machine is working at 60 percentage of full load at a power factor of 0.85 lagging, Find the % voltage regulation? ( d) If the machine is working at 70 percentage of full load at a power factor of 0.85 leading, Find the voltage generated? (1 (ii) An armature of a three-phase alternator has 150 slots. The alternators have 6 poles. Calculate a) B angle in radians (* b) Distribution factor

(i) A 440 V, 60 Hz, star connected, the four-pole synchronous generator has a synchronous reactance of 0.13 Q and an armature resistance of 0.011 0. At full load, the machine supplies 850 A at 0.85 PF lagging. Find a) the speed of rotation of the generator. ( b) three-phase power the generator supplying at full load? ( C) If the machine is working at 60 percentage of full load at a power factor of 0.85 lagging, Find the % voltage regulation? ( d) If the machine is working at 70 percentage of full load at a power factor of 0.85 leading, Find the voltage generated? (1 (ii) An armature of a three-phase alternator has 150 slots. The alternators have 6 poles. Calculate a) B angle in radians (* b) Distribution factor

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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