Q/ A 20 KUA , 200/500 voit single phase step-up transformer hes: primary resistance: 0.022 ; secondary resistance = 0.0482; magnetizing branch with Ro - 1001 and Xo = 750.52. Findi magnetizing Current ? The efficiency at rated current unity ef: wa efteciemy at hall rated current with Pt 0.7 leading? The effecieing at 0:8 Vated current Zerol.f._; Maxoff At vnity PF ? Q5 A 20KUA , 20/Soo Valt single phase step.uptransformer Rhis!pimary resistana 0.02 2 3 secondany resistarce = 0.04 S2;magnetizing branch with Ro zboo X and X. = 50 2. Findimagnetizing Currert ? The efficiny at rated Curent unity P.f;min etkcieny at half rated curteat with Pfzailenting?The effecieiney at o:8 rated.curret Zaro ff. ;Has. eff.:At unity P:t ?ABC

The data for the question are: 20kVA, 200/500V,R1=0.02Ω,R2=0.04Ω,Ro=1000Ω,Xo=750Ω The magnetizing…

QS A 20KUA , 200/Soo usit single phax step-uptransformer Ras: primary resistanue 3.0.02 23 secondany resistance= 0.04S2; magnetizing branch with Rozoo X and X. = 75052. Findi magnetizing Carret ? The effhciney at rated Current unity Pf; risn eftecieny at half rated cumatwith Pfroi leating? · The effecieiny at o:8 rated.current zaro ff. ;Ms. : At unity Pt ? ABC

QS A 20KUA , 200/Soo usit single phax step-uptransformer Ras: primary resistanue 3.0.02 23 secondany resistance= 0.04S2; magnetizing branch with Rozoo X and X. = 75052. Findi magnetizing Carret ? The effhciney at rated Current unity Pf; risn eftecieny at half rated cumatwith Pfroi leating? · The effecieiny at o:8 rated.current zaro ff. ;Ms. : At unity Pt ? ABC

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

Chapter12: Power System Controls

Section: Chapter Questions

Problem 12.4P

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