I need the answer as soon as possible (Q.4) A 11 kV, 30 MVA alternator is protected by a circulating current protection scheme. Thegenerator neutral is grounded through a resistance of 10 2. The protective relay is set to operatefor an out of balance current, which is 0.5% of the rated alternator current. Turns ratio of theneutral CT is 200/5. Determine-(i) The percentage of winding that remains unprotected.(ii) The maximum value of the earthing resistance required to protect 75% of the winding.

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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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