Find per-unit impedance of the transformer on system base

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Reference no: EM13967713

A Y-connected synchronous generator rated 100 MVA, 13.2 kV has a rated impedance of R = 5% and XS = 80% per-unit. It is connected to a j10Ω transmission line through a 13.8/120 kV, 100 MVA, Δ-Y transformer with a rated impedance of R = 2% and X = 8% per unit. The base for the power system is 200 MVA, 120 kV at the transmission line.

(a) Sketch the one-line diagram of this power system, with symbols labeled appropriately.

(b) Find per-unit impedance of the generator on the system base.

(d) Find per-unit impedance of the transmission line on the system base.

(e) Find the per-phase, per-unit equivalent circuit of this power system.

Reference no: EM13967713

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