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Question-2

Three 5 MVA single-phase transformers, each rated 8:1.39 kV, have a leakage

impedance of 5%. These can be connected in a number of different ways to supply

three identical 5 Q resistive loads. Various transformer and load connections are

outlined in the Table shown below. Complete the table columns. Use a three-phase

base of 15 MVA.

Clearly show the calculations for each case.

Fig: 1