A single-phase transformer 11000/420 V, 50 kVA, 50 Hz has resistance and leakage reactance as follows: Primary winding: resistance, R1= 6 W and reactance, X1 = 12 0 Secondary winding: resistance, R2 = 0.01 Q and reactance, X2 = 0.012 0 The core loss resistance, Rc and the magnetizing reactance, Xm at primary are 5500 Q and 3300 0 respectively. A load of 24 kW with power factor 0.9 lagging and voltage 420 V connected at secondary side. (i). Find the equivalent circuit of transformer referred to high voltage side (Primary side). (ii). Determine the source voltage and current at the primary side.

A single-phase transformer 11000/420 V, 50 kVA, 50 Hz has resistance and leakage reactance as follows: Primary winding: resistance, R1= 6 W and reactance, X1 = 12 0 Secondary winding: resistance, R2 = 0.01 Q and reactance, X2 = 0.012 0 The core loss resistance, Rc and the magnetizing reactance, Xm at primary are 5500 Q and 3300 0 respectively. A load of 24 kW with power factor 0.9 lagging and voltage 420 V connected at secondary side. (i). Find the equivalent circuit of transformer referred to high voltage side (Primary side). (ii). Determine the source voltage and current at the primary side.

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 3.16P: A single-phase, 50-kVA,2400/240-V,60-Hz distribution transformer has the following parameters:...

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