A 20 kVA closet transformer located inside a building is used to step down the voltage for the building. It is connected to a primary 4800 V AC power source. The ratio of the number of primary windings to the number of secondary windings on the transformer is 20 to 40. determine a) voltage provided to the building b) amount of current provided to the building c) if building consumes 3200W of power what is its power factor

A 20 kVA closet transformer located inside a building is used to step down the voltage for the building. It is connected to a primary 4800 V AC power source. The ratio of the number of primary windings to the number of secondary windings on the transformer is 20 to 40. determine a) voltage provided to the building b) amount of current provided to the building c) if building consumes 3200W of power what is its power factor

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 3.57P: A two-winding single-phase transformer rated 60kVA,240/1200V,60Hz, has an efficiency of 0.96 when...

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a 15 kVA closet transformer located inside a building is used to step down the voltage for the building. it is connected to a primary 9800V AC power source. The ratio of the number of primary windings to the number of secondary windings on the transformer is 60 to 15. what is the voltage provided to the building? what is the amount of current provided to the building? if the building consumes 3200W of power, what is it's power factor? what is the phase angle of the secondary power source in the building?
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