A 120 / 180 Volts Autotransformer draws power a 120 Volts and supplies power to a 2 kW load at 180 Volts with a Power Factor of 0.80 lagging. An additional load of 1 kW is supplied at unity power factor from the 60 Volts winding. Calculate the PF and Current drawn from the 120 Volts line by the Transformer, Neglecting it’s losses.

A 120 / 180 Volts Autotransformer draws power a 120 Volts and supplies power to a 2 kW load at 180 Volts with a Power Factor of 0.80 lagging. An additional load of 1 kW is supplied at unity power factor from the 60 Volts winding. Calculate the PF and Current drawn from the 120 Volts line by the Transformer, Neglecting it’s losses.

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 3.11P: For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power...

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