꾀22/34 JOAVA, 11KV y connected, alter neter is protectedby mer 2- Kaprice circulating current system. Thestar point is earthed throug at risistance of52. If CTs have ration of 1000 and TheRealy is set to operate when their is overloadwith 30%. Find• The percentage of each phase of stator windingwhich is protected if the reactance of thestator winding is 10² ·Per phase@ The minimum value of carthing risistane toprotect -85% of the winding onegleet ofThe reactance of the stator winding in thiscase.

Merz-price differential protection scheme:Merz-price differential protection is nothing but a…

34, JoMVA, 11KV, y connected, alter neter is profected by mer 2- price circulating current system. The at risistance of star point is earthed throug 52. If CTs have ration of 1000 and The is set to operate when their is overload with 30%. Sind Realy • The percentage of each phase of stator winding which is protected if the reactance of the stator winding is 10². Per phase ? The minimum value of earthing risistane to protect 85% of the winding negleet of The reactance of the stator winding in this case.

34, JoMVA, 11KV, y connected, alter neter is profected by mer 2- price circulating current system. The at risistance of star point is earthed throug 52. If CTs have ration of 1000 and The is set to operate when their is overload with 30%. Sind Realy • The percentage of each phase of stator winding which is protected if the reactance of the stator winding is 10². Per phase ? The minimum value of earthing risistane to protect 85% of the winding negleet of The reactance of the stator winding in this case.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter3: Power Transformers

Section: Chapter Questions

Problem 3.9MCQ: Match the following: (i) Hysteresis loss (a) Can be redud by constructing the core with laminated...

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