Q10-The full-load copper loss on the H.V. side of 100KVA, 11000/317 V, single-phase transformer is o.62 Kw and on the L.V. side is 0.48 kW. i) Calculate R1 ,R2 in ohms ii) Find X1 ,X2,if the total reactance is 4% ,and the reactance is divided in same proportion as resistance.

Q10-The full-load copper loss on the H.V. side of 100KVA, 11000/317 V, single-phase transformer is o.62 Kw and on the L.V. side is 0.48 kW. i) Calculate R1 ,R2 in ohms ii) Find X1 ,X2,if the total reactance is 4% ,and the reactance is divided in same proportion as resistance.

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 3.4P: A single-phase 100-kVA,2400/240-volt,60-Hz distribution transformer is used as a step-down...

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Question

Q10-The full-load copper loss on the H.V. side of 100KVA, 11000/317
V, single-phase transformer is o.62 Kw and on the L.V. side is 0.48 kW.
i) Calculate R1 ,R2 in ohms
ii) Find X1 ,X2,if the total reactance is 4% ,and the reactance is divided in
same proportion as resistance.
Ans. (7.52, 0.00482 2 , 27.32,0.175 2)

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