Three single-phase, two-winding transformers, each rated 450 MVA. 20 kV/288.7 kV, with leakage reactance Xeq = 0.10
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Three single-phase, two-winding transformers, each rated 450 MVA. 20 kV/288.7 kV, with leakage reactance Xeq = 0.10 per unit, are connected to form a three-phase bank. The high-voltage windings are connected in Y with a solidly grounded neutral. Draw the per-unit equivalent circuit if the low-voltage windings are connected
(a) In A with American standard phase shift,
(b) In Y with an open neutral. Use the transformer ratings as base quantities. Winding resistances and exciting current are neglected.
Related Book For
Probability and Statistics for Engineering and the Sciences
ISBN: 978-1305251809
9th edition
Authors: Jay L. Devore
Posted Date: