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A transformer has the following nameplate data: 138/13.8 kV 12/16/20 MVA Reactance = 5.42% This transformer will be connected to a 138 kV source to

A transformer has the following nameplate data:

138/13.8 kV

12/16/20 MVA

Reactance = 5.42%

This transformer will be connected to a 138 kV source to supply a 13.8 kV bus. Calculate the per-unit impedance of this transformer using a 10 MVA base.

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