Question: Choosing system bases to be (360 / 24 mathrm{kV}) and 100 MVA, redraw the sequence networks for Problem 8.39. Problem 8.39 The leakage reactance of

Choosing system bases to be $360 / 24 \mathrm{kV}$ and 100 MVA, redraw the sequence networks for Problem 8.39.

Problem 8.39

The leakage reactance of a three-phase, 500-MVA, $345 \mathrm{Y} / 23 \Delta-\mathrm{kV}$ transformer is 0.09 per unit based on its own ratings. The $\mathrm{Y}$ winding has a solidly grounded neutral. Draw the sequence networks. Neglect the exciting admittance and assume American standard phase shift.

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