3.A 220 V /345 kV, 200 kVA testing transformer to be used for cable testing has 10%leakage reactance and 2% resistance. The cable has to be tested at 600 kV, 60 Hz while chargingcurrent is 0.5A. Find the required value of the series inductor to be connected with the transformerto achieve resonance. Assume (Rind=1.8% of Xind). Find the primary voltage of the transformerduring this test. Also calculate rated current of this transformer and the input power

It is given that: XL=10%R=2%voltage ratio:220 V345 kVKVA=200charging current(IC)=0.5Acable…

Answered: 3. A 220 V /345 kV, 200 kVA testing…

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 3.28MCQ

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