udisiol ei tu WiuCI iN is CoIuiecteu, tugeulei uUI agenerator transformer unit. The protection of such aunit is achieved by differential protection scheme usingcirculatingprotection to such a unit, it is necessary to consider thephase shift and current transformation in the step uptransformer. The figure in the following page, shows acurrentprinciple.Whileprovidingbiaseddifferential protection schemeusedforgenerator transformer unit. The zone of such a schemeincludes the stator windings, the step up transformerand the intervening connections. The transformer isdelta-star hence the current transformers on highvoltage side are delta connected while those ongenerator side are star connected. This cancels thedisplacement between line currents introduced by thedelta connected primary of the transformer. Wherethe slots if the winding involves two coil sides in thesame slot. In the later case the fault will involve earthin a very short time.Phase fault current is not controlled by themethod of earthing the neutral point.INTERTURN FAULTSInterturn faults are also uncommon, but notunknownA greatest danger arising from failure to deal withinterturn faults quickly is fire. A large portion of theinsulation is inflammableNegative sequence protectionFind the cross correlation of functions sin o f and cos ot

Answered: Image /qna-images/answer/5a51df68-cda7-49c2-9d6b-9a39f3d7b170.jpg

Answered: Find the cross correlation of functions…

Find the cross correlation of functions sin o t and cos ot

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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