Two single-phase transformers with equal ratings and turns ratlo are operated in parallel to supply a load of 180 kW at a lagging pf of 0.90. Transformer A has a resistance of 1% and a reactance of 6%. Transformer B has a resistance of 2% and a reactance of 5% Calculate the power delivered by each transformer. A. 85 kW, 95 kW B. 90 kW, 90 kW, 8. C. 88 kW, 92 kW D. 80 kW, 100 kW T002+

Two single-phase transformers with equal ratings and turns ratlo are operated in parallel to supply a load of 180 kW at a lagging pf of 0.90. Transformer A has a resistance of 1% and a reactance of 6%. Transformer B has a resistance of 2% and a reactance of 5% Calculate the power delivered by each transformer. A. 85 kW, 95 kW B. 90 kW, 90 kW, 8. C. 88 kW, 92 kW D. 80 kW, 100 kW T002+

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 3.31MCQ

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A 23/230-kV step-up transformer feeds a three-phase transmission line, which in turn supplies a 150-MVA,0.8 lagging power factor load through a step-down 230/23-kV transformer. The impedance of the line and transformers at 230kVis18+j60. Determine the tap setting for each transformer to maintain the voltage at the load at 23 kV.
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