Given: A single-phase two-winding transformer is rated  20 kVA, 480/120 volts, and 60 Hz.  The equivalent leakage impedance of the transformer referred to the 120-volt winding, denoted winding 2, is ???2 = 0.0525∠78.13°?. Find: Using the transformer ratings as base values, determine the per-unit leakage impedance  referred to winding 2  referred to winding 1.

Given: A single-phase two-winding transformer is rated  20 kVA, 480/120 volts, and 60 Hz.  The equivalent leakage impedance of the transformer referred to the 120-volt winding, denoted winding 2, is ???2 = 0.0525∠78.13°?. Find: Using the transformer ratings as base values, determine the per-unit leakage impedance  referred to winding 2  referred to winding 1.

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 3.37P: Three single-phase two-winding transformers, each rated 25MVA,54.2/5.42kV, are connected to form a...

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